Seagate AssuredSAN 3xx4 Configuration Manual

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Config Guide AssuredSAN 3xx4

AssuredSAN 3xx4

Config Guide

Q1 2016

The following document provides basic specifications on the AssuredSAN 3xx4 (EX) series.

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Config Guide AssuredSAN 3xx4

ECO

Revision

Reason For Change

Changed By

Date

AC12062

Initial Release

T. DiMauro

11/11/15

AC12176

G22x Updates

T. DiMauro

1/25/16

Approvals (See Agile for approval signatures and date)

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Config Guide AssuredSAN 3xx4

1. WHAT’S NEW .............................................................................................................................................................. 5

2. CONFIGURATION OVERVIEW: .............................................................................................................................. 6

3. MODEL NUMBERS ..................................................................................................................................................... 7

3.1. Shipping Notes, Components, & Weights: ............................................................................................................................. 7

3.1.1. Notes:

3.1.2. Components/Cables:

3.1.3. Weights:

CONTROLLERS

4.1. Protocols – CNC (FC&iSCSI) & SAS ....................................................................................................................................... 10

4.2. SFPs .................................................................................................................................................................................... 10

4.3. SAS Port Expansion Cables .................................................................................................................................................. 11

4.4. RAID Levels Supported ........................................................................................................................................................ 11

4.5. Performance Overview

CHASSIS:

5.1. 2U12 TLA Overview

5.2. 2U24 Overview

5.3. How many RBOD/JBOD Chassis are Supported

5.4. Hot Plug Expansion & Replacement Support

5.5. Power Supplies/Rail Kits

EXPANSION JBODS

6.1. Expansion JBOD Overview

6.2. JBOD Enclosure

6.3. What JBODs are supported behind 3xx4 RBODs

DRIVES

7.1. What Drives Are Supported

7.2. How many SSDs are supported (SFF in LFF Chassis)

7.3. Drive Sleds & Air Management Sleds (AMS)

7.3.1. Drive Sleds: .......................................................................................................................................................................... 17

7.3.2. Air Management Sleds:........................................................................................................................................................ 17

7.4. 512e Drives

8. SOFTWARE / FEATURES ...................................................................................................................................... 18

8.1. Feature Scale Factors .......................................................................................................................................................... 18

8.2. RealStor .............................................................................................................................................................................. 20

8.2.1. New User Interface: ............................................................................................................................................................. 20

8.3. Storage Pools/Virtual Disk Groups/Volumes: ...................................................................................................................... 20

8.3.1. Mapping in the V3 Interface: ............................................................................................................................................... 21

8.3.2. Provisioning and Mapping with the CLI: .............................................................................................................................. 21

8.4. RealThin: Thin Provisioning ................................................................................................................................................. 22

8.5. Performance Volumes/LUNs and Rapid Rebuilds:

8.5.1. Large LUNs: .......................................................................................................................................................................... 23

8.5.2. RealQuick: Rapid Rebuilds ................................................................................................................................................... 23

8.6. RealSnap: Advanced Copy Services / Snapshots

8.6.1. Differences between Copy on Write (COW) and Redirect on Write: .................................................................................. 24

8.6.2. Redirect on write snapshot overview: ................................................................................................................................. 24

8.7. RealCache: SSD Read Cache ................................................................................................................................................ 25

8.7.1. Read Cache .......................................................................................................................................................................... 25

8.7.2. Key CLI Commands for Read Cache: .................................................................................................................................... 26

9. WARRANTY .............................................................................................................................................................. 26

9.1. General Warranty Options .................................................................................................................................................. 26

9.1.1. 3 year warranty from date of shipment on all enclosures .................................................................................................... 26

9.2. Support Contact #’s / Resources ......................................................................................................................................... 26

9.2.1. Customer Resource Center (CRC) ........................................................................................................................................ 26

9.2.2. SANsolve Contact Information ............................................................................................................................................ 27

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Config Guide AssuredSAN 3xx4

9.2.3. Open a Support Ticket ......................................................................................................................................................... 27

9.2.4. Submitting RMA Requests ................................................................................................................................................... 27

10. INTEROPERABILITY & AGENCY CERTIFICATIONS ..................................................................................... 28

10.1. Interoperability Certifications: ............................................................................................................................................ 28

10.1.1. VMware Certifications .................................................................................................................................................... 28

10.1.2. Microsoft Certifications .................................................................................................................................................. 28

10.2. Agency Certifications – Safety, Emissions, Harmonics, Country Approvals: ......................................................................... 28

11. DATA SHEET SPECIFICATIONS – RBOD (POWER, TEMP, ACOUSTIC, DIMENSIONS) ....................... 30

12. DATA SHEET SPECIFICATIONS – JBOD (POWER, TEMP, ACOUSTIC, DIMENSIONS) ........................ 31

13. GENERAL ................................................................................................................................................................... 32

13.1. NEBS level-3 certification .................................................................................................................................................... 32

13.2. Super Capacitors ................................................................................................................................................................. 32

13.3. SimulCacheTM Technology ................................................................................................................................................... 32

13.4. Other Sources of Information ............................................................................................................................................. 33

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Config Guide AssuredSAN 3xx4

1. What’s New

Dot Hill AssuredSAN 3004 Series Next-Generation, Entry-Level Storage Delivers Improved Price/Performance, Greater Capacity and High Speed Connectivity

3xx4 Controllers The AssuredSAN 3004 models improve on previous-generation 3000 Series arrays by providing next-generation affordable storage to meet entry-level requirements with greater capacity and performance. In addition, 3000 Series customers can take advantage of easy field upgradability to the next-generation AssuredSAN 3004 RAID controller, simplifying deployment to achieve an instant performance and connectivity boost.

 Performance

o Up to 3300 MB/s per second sequential reads, 2400 MB/s sequential writes o Performance for HD, 2K, 4K, and 3D workflows o Simultaneously stream to multiple hosts without disruption

 Host Connections

o 2 ports per controller, 4 for dual controller models o 16Gb/8Gb Fibre Channel, 12Gb/6Gb SAS, and 10Gb/1Gb iSCSI host connectivity

 Green Technology

o Patented EcoStor™ battery-free cache backup eliminating battery replacement.

 Rugged, Mobile Applications

o AssuredSAN 3xx4 models are NEBS Level 3 and MIL STD 810G compliant to meet

Telecommunications requirements and Military standards for shock and vibration.

New! G22x Firmware A new product firmware “GL22x” is available for the AssuredSAN 3004 solutions. With G22x, the AssuredSAN 3004 solutions support Asynchronous Replication between all AssuredSAN arrays, improving business continuity, backup and disaster recovery scenarios.

RealStor Software for 3004

RealStor™ is the next-generation storage operating system from Dot Hill which delivers application-aware intelligence for today’s hybrid flash storage arrays. Easy-to-use RealStor features accelerate storage management operations to deliver data

where customers need it, when they need it. With patent-pending innovations that deliver better efficiency, higher reliability, cost-effectiveness, and fast access for read data using SSD read-caching, RealStor is now available across Dot Hill’s entire line of storage systems equipped with AssuredSAN 3004 storage controllers. The software features section of this configuration guide provides an overview of all RealStor features including the new user interface, thin provisioning, SSD read cache, and quick rebuilds.

3004 SAS Controller Dot Hill AssuredSAN 3004 storage systems have a new addition to the family with the inclusion of 2 port 12Gb/6Gb SAS controller (4 ports per system). This SAS controller features an optional set of host-port expansion cables to allow up to 4 dual-port host connections. This controller is offered in addition to the existing 3004 controller types, which include 16Gb/8Gb Fibre Channel, and 10Gb/1Gb iSCSI with Dot Hill's unique, flexible Fibre Channel/iSCSI converged interface. With the ability to support up to 288 terabytes of total capacity, Dot Hill AssuredSAN 3004 storage systems are available in a variety of 2.5-inch and 3.5-inch hard disk drives (HDDs).

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Config Guide AssuredSAN 3xx4

Low Density

2U12: 12 x 3.5” drives per chassis*

2U24: 24 x 2.5” drives per chassis

2. Configuration Overview:

As part of the AssuredSAN 3000 series, the AssuredSAN 3xx4 storage arrays are designed to deliver reliable, scalable performance for small to medium sized datacenter operations. They include ENERGY STAR certification, EcoStor™ batteryfree cache backup, and data protection software to complement your backup and recovery plans. The AssuredSAN 3xx4 storage array provides:

Controllers:

 High performance controllers: 40,000 IOPs, 3300 MBps Read, 2400 MBps Write  Active/Active controller architecture with two ports per controller  12GB system cache (6GB per controller)  FC, iSCSI, or SAS interface

Chassis Options The AssuredSAN 3xx4 is supported in two (2) industry leading chassis that can serve as an RBOD or JBOD.

*C an also sup p ort 2 .5” dri ves

JBOD Options

 Add the above chassis as a JBOD expansion for added performance and capacity. A maximum of three (3)

JBOD expansion chassis behind a single RBOD is supported; (See JBOD section for details).

Drives Options

All AssuredSAN 3xx4 chassis support multiple drive types that are dual sourced from several manufacturers to provide quality and consistency of supply. The AssuredSAN 3xx4:

 Can be ordered with a single TLA that include one type of drives  Can be ordered as a drive-less system so you can add multiple drive types  Include industry leading capacity drives for SSDs, HDDs, and Self Encrypting Drives (SED).

SFP Options for long term flexibility

 CNC based controllers with modular SFPs including: 8Gb/16Gb FC and/or 1GbE/10GbE iSCSI connectivity  12Gb SAS connectivity (no SFP needed)

Base Software – RealStor included at no charge and includes:

 Enhanced User Interface – Includes both Traditional RAID (V2) and Virtualization mode (V3)  RealCache™ – SSD Read-Cache  RealThin™ Thin Provisioning  RealQuick™ Rapid RAID Rebuild  RealPool™ Virtualized pooling

Optional/Licensable Software - Advanced Copy Services

 RealSnap™ – Provides up to 1024 virtualized redirect on write snapshots.  RealSpan™ - Enables Remote Replication between all AssuredSAN models.

Warranty:

 Hardware: Standard 3 year warranty, with advance exchange, from date of shipment on all enclosure FRUs.  Software: 90 day free of defects.

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Config Guide AssuredSAN 3xx4

CNC Connectivity

SAS Connectivity

JBODs

D3824 = 2U x 24 drives D3834 = 2U x 12 drives

D3524 = 2U x 24 drives D3534 = 2U x 12 drives

J6G24 = 24 bay J6G12 = 12 bay

RBOD (12 bay)

RBOD (24 bay)

Qty

Descriptions

Qty

Descriptions

Power Cord IEC-C14 to C13 250V 10A Black 1.5m

Cable, USB A Male-to-Mini-B, 5-Wire, 1.5m, Black

Rack Mount Kit

Ears (Right and left side)

Bezel (Bezel with filter is available)

Rack Mount Kit

Bezel

JBOD (12 bay)

Qty

Descriptions

JBOD (24 bay)

Power Cord IEC-C14 to C13 250V 10A Black 1.5m

Qty

Descriptions

Cable miniSAS8088 to miniSAS8088 4x 0.6m,Gen

Power Cord IEC-C14 to C13 250V 10A Black 1.5m

Rack Mount Kit

Cable miniSAS8088 to miniSAS8088 4x 0.6m,Gen

Bezel (Bezel with filter is available)

Ears (Right and left side)

Rack Mount Kit

Bezel

3. Model Numbers

RBOD (RAID) models are available with both converged network controller (CNC) and SAS Models. JBOD (EX) models have 6G SAS ports to connect with the RBOD

3.1. Shipping Notes, Components, & Weights:

3.1.1. Notes:

SFPs: Each 4-pack will ship in a separate box. When ordering a part (PFRUKK14) you only order quantity

of 1 – you will receive 4 SFPs.

Drives: When ordering bulk packs ending in 14 or 24, order the exact # of drives that are needed. So ordering

22 x (PFRUKFXAXN161-24 / DD,SV3,900GB,10K,6G,SAS,BB,Bulk) = 22 x 900G drives.

For Low density chassis 2U12 and 2U24: Drives ship in the chassis

3.1.2. Components/Cables:

The following components are included with each system:

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Config Guide AssuredSAN 3xx4

RBODs with dual-controller modules

Item

2U24

2U12

Chassis

8.5

PSU x 2

3.8 8 3.8

RIOM x 2

4.4

SFF x 24

13 - -

LFF x 12

- - 9.3

Weight

22.7

25.9

JBODs with dual-expansion modules

Item

2U24

2U12

Chassis

8.5

PSU x 2

3.8 8 3.8

JIOM x 2

2.9 6 2.9

SFF x 24

13 - -

LFF x 12

- - 9.3

Weight

21.2

24.5

3.1.3. Weights:

System weights: Below are system weights for 3xx4 systems without packaging. These weights are approximate due to slight variations in drives (multiple vendors) and pounds listed have been rounded.

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Config Guide AssuredSAN 3xx4

3xx4 - CNC (FC/iSCSI)

TLA

Short Description

CNC

D3824CA07215BA

3824,2RM,12GB,24x300SAS,15k,AC,V2,DH

D3824CA14410BA

3824,2RM,12GB,24x600SAS,10k,AC,V2,DH

D3824CA21610BA

3824,2RM,12GB,24x900SAS,10k,AC,V2,DH

D3824CA28810BA

3824,2RM,12GB,24x1.2SAS,10k,AC,V2,DH

D3824CN24007BA

3824,2RM,12GB,24x1TB SAS,7k,AC,V2,DH

D3834CN24007BA

3834,2RM,12GB,12x2TB SAS,7k,AC,V2,DH

D3834CN36007BA

3834,2RM,12GB,12x3TB SAS,7k,AC,V2,DH

D3834CN48007BA

3834,2RM,12GB,12x4TB SAS,7k,AC,V2,DH

D3834CN72007BA

3834,2RM,12GB,12x6TB SAS,7k,AC,V2,DH

3xx4 - (SAS)

TLA

Short Description

SAS

D3524CA07215BA

3524,2RM,12GB,24x300SAS,15k,AC,V2,DH

D3524CA14410BA

3524,2RM,12GB,24x600SAS,10k,AC,V2,DH

D3524CA21610BA

3524,2RM,12GB,24x900SAS,10k,AC,V2,DH

D3524CA28810BA

3524,2RM,12GB,24x1.2SAS,10k,AC,V2,DH

D3524CN24007BA

3524,2RM,12GB,24x1TB SAS,7k,AC,V2,DH

D3534CN24007BA

3534,2RM,12GB,12x2TB SAS,7k,AC,V2,DH

D3534CN36007BA

3534,2RM,12GB,12x3TB SAS,7k,AC,V2,DH

D3534CN48007BA

3534,2RM,12GB,12x4TB SAS,7k,AC,V2,DH

D3534CN72007BA

3534,2RM,12GB,12x6TB SAS,7k,AC,V2,DH

Qty = 1 (4 packs)

Select based on speed & type

SFP's (1 x 4-Pack needed for 3004)

PFRUKK11

SFP,1Gb Copper RJ45 -1D,4 Pack Set

PFRUKK12

SFP,8Gb 850nm Rate Select,4 Pack Set

PFRUKK13

SFP+,10GigE 3.3V 850nm LC Mod,4 Pack Set

PFRUKK14

SFP+,16GFC 3.3V 850nm LC Mod, 4 Pack Set

Optional

RealStor SW

SW-RealStor2

RealStor Base Software License

Snapshot SW

SW-RealSnap

RealSnap Snapshot Software License

Replication SW

SW-RealSpan

RealSpan Async Repl Software License

Hardware & Support

Hardware Support

DS-N-R-1Y-A-SS

NBD Adv Ex from Depot, RAID, 1 YEAR, AME

Single and 4 packs available

Port Expansion Cables

PFRUKL23-01

Cbl Pkg,Y HDminiSAS/HDminiSAS,2m,MLX

PFRUKL23-04

Cbl Pkg,Y HDminiSAS/HDminiSAS,2m,MLX,4BK

PFRUKL24-01

Cable Pkg,Y HDminiSAS/miniSAS,2m,MLX

PFRUKL24-04

Cable Pkg,Y HDminiSAS/miniSAS,2m,MLX,4BK

Dot Hill has made ordering easy by creating Top Level Assembly (TLA) part numbers. These TLAs ship with dual controllers, drive full, and AC power supplies, and are available in 2U12 and 2U24 chassis.

The 3xx4 can be ordered a la carte and additional TLAs (chassis, drives, components, software) are listed in respective sections. For a complete list, check with your local sales person, value-added reseller, or distribution partner.

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Config Guide AssuredSAN 3xx4

3 1 5 2 6 7 8

4. Controllers

4.1. Protocols – CNC (FC&iSCSI) & SAS

AssuredSAN 3xx4 controller architecture maximizes performance, including Two host ports per controller

 3xx4 controller supports 8Gb FC, 16Gb FC, 1GbE iSCSI or 10GbE iSCSI SFPs.  3xx4 SAS controller supports 6Gb and 12Gb SAS host connectivity using mini-SAS HD Cables. (Also

supports four port-expansion (Y-cables) to enable up to four dual-port hosts to be attached.)

6GB transportable read/write cache per controller. Battery-free cache backup with super capacitors and compact flash

1. CNC ports (0,1) shown with FC SFPs 5. Network Port

2. CLI port 6. Service Port 1 (used by service personnel only)

3. Service port 2 (used by service personnel only) 7. Disable button (used by engineering only)

4. Reserved for future use 8. Mini-SAS expansion port

 Single Controllers:

Single controllers are supported in the 2U12 and 2U24 but NOT recommended due to lack of failover capability.

4.2. SFPs

For CNC versions (D38xxx), one four-pack set is advised. Both FC and iSCSI transceivers contain unique identification preventing unqualified SFP’s from being used in the 3xx4 (EX) controller.

Dot Hill branded SFP's must be ordered with the AssuredSAN 3xx4 controllers with the CNC (Converged Network Controller). They are available in 4 packs, so quantity 1 is recommended. They are available in 1G iSCSI, 10G iSCSI, 8G FC, or 16G FC. SAS and JBOD systems do not require SFP's.

TLAs for the SFPs for the 2U12 and 2U24 are below.

 PFRUKK11 SFP,1Gb Copper RJ45 -1D,4 Pack Set  PFRUKK12 SFP,8Gb 850nm Rate Select,4 Pack Set  PFRUKK13 SFP+,10GigE 3.3V 850nm LC Mod,4 Pack Set  PFRUKK14 SFP+,16GFC 3.3V 850nm LC Mod, 4 Pack Set

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Config Guide AssuredSAN 3xx4

4.3. SAS Port Expansion Cables

The SAS controller has 2 physical SAS ports which can accommodate an optional host port-expansion cable. Up to 4 of these cables can be connected to the SAS ports enabling 4 dual-port host connections. Each host-port expansion splits the 4 SAS lanes per port, so that 2 lanes are connected to each host port.

TLAs for the Host Port Expansion cables for the 2U12 and 2U24 are below:

 PFRUKL23-01 Cbl Pkg,Y HDminiSAS/HDminiSAS,2m,MLX  PFRUKL23-04 Cbl Pkg,Y HDminiSAS/HDminiSAS,2m,MLX,4BK  PFRUKL24-01 Cable Pkg,Y HDminiSAS/miniSAS,2m,MLX  PFRUKL24-04 Cable Pkg,Y HDminiSAS/miniSAS,2m,MLX,4BK

4.4. RAID Levels Supported

The 3xx4 controller supports RAID 0, 1, 3, 5, 6, 10, 50

In addition to the usual RAID levels, the 3xx4 features several important additional levels. RAID 6 offers the highest level of RAID protection. It allocates two sets of parity data across drives and allows simultaneous write operations. It can withstand two simultaneous drive failures without downtime or data loss. RAID 10 is mirroring and striping without parity and allows large Disk Groups to be created with high performance and mirroring for fault tolerance. RAID 50 combines the block striping and parity of RAID 5 with the straight block striping of RAID 0, yielding higher performance than RAID 5 through the addition of RAID 0, particularly during writes.

4.5. Performance Overview

Model # 3xx4 (EX) Firmware GL22x # of ports - System 4 IOPS 40 K Max Read - MBps 3300 Max Write - MBps 2400 Interface (per controller) 2 x 8G or 16G FC or

2 x 1G or 10G iSCSI or

2 x 12G or 6G SAS Cache – per system 12 GB GUI RAIDar (v2)

Storage Management Console (v3) Value Add Software DMS / RealStor Max # of initiators 1024 Max # of LUNS 1024 Maximum # of chassis: Up to 4 Max # of Drives/System: 2U12 = 48 2U24 = 96

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Config Guide AssuredSAN 3xx4

5. Chassis:

5.1. 2U12 TLA Overview

To build a system a la carte, choose from the TLAs below. Note: Additional TLAs are available. For a full up-to-date list, see our price book.

Drive-less RBOD System (include rail kit):

D3834C000000BA 3834,2RM,12GB,No drives,AC,V2,DH CNC

D3534C000000BA 3534,2RM,12GB,No drives,AC,V2,DH SAS D3834C000000BD 3834,2RM,12GB,No drives,DC,V2,DH DC Power

Drive-less JBOD System (include rail kit): J6G12C000000BA 6GJBOD,2JM,2U12,No drives,AC,V2,DH J6G24C000000BA 6GJBOD,2JM,No drives,AC,V2,DH

Drives (sold as singles) PFRUKFXGXN084-01 DD,LV2,2.0TB,7k,6G,N-SAS,BB,PKG PFRUKFXGXN083-01 DD,LV2,3.0TB,7k,6G,N-SAS,BB,PKG PFRUKTXGXN119-01 DD,LV2,4.0TB,7k,6G,N-SAS,BB,PKG PFRUKTXGEN132-01 DD,LV2,4.0TB,7K,6G,ENCR,N-SAS,BB,PKG PFRUKTXGXN194-01 DD,LV2,6.0TB,7K,6G,N-SAS,BB,PKG PFRUKFXGXN150-01 AMS,LV2 Drive Blank, BB,PKG

SFF Drives (Single Pack) using a 3.5” Hybrid Form Factor drive sled PFRUKRXGXN227-01 SSD,HV2,1.6TB,12G,SAS,BB,PKG PFRUKRXGXN228-01 SSD,HV2,800GB,12G,SAS,BB,PKG PFRUKRXGXN229-01 SSD,HV2,400GB,12G,SAS,BB,PKG PFRUKTXGEN231-01 DD,HV2,1.2TB,10K,6G,ENCR,SAS,BB,PKG PFRUKTXGXN230-01 DD,HV2,1.2TB,10K,6G,SAS,BB,PKG

Drives (sold as 24 packs) PFRUKFXGXN084-24 DD,LV2,2.0TB,7k,6G,N-SAS,BB,24 BULK PK PFRUKFXGXN083-24 DD,LV2,3.0TB,7k,6G,N-SAS,BB,24 BULK PK PFRUKTXGXN119-24 DD,LV2,4.0TB,7k,6G,N-SAS,BB,24 BULK PK PFRUKTXGEN132-24 DD,LV2,4.0TB,7K,6G,ENCR,N-SAS,BB,24 BULK PFRUKTXGXN194-24 DD,LV2,6.0TB,7K,6G,N-SAS,BB,24BULK PFRUKFXGXN150-48 AMS,LV2 Drive Blank,BB,48 Bulk Pack

SFPs PFRUKK11 SFP,1Gb Copper RJ45 -1D 4pk PFRUKK12 SFP,8Gb 850nm Rate Select,4pk PFRUKK13 SFP+,10GigE 3.3V 850nm LC Mod,4pk PFRUKK14 SFP+,16GFC 3.3V 850nm LC Mod, 4pk

Host Port-Expansion Cable PFRUKL23-01 Cbl Pkg,Y HDminiSAS/HDminiSAS,2m,MLX PFRUKL23-04 Cbl Pkg,Y HDminiSAS/HDminiSAS,2m,MLX,4BK PFRUKL24-01 Cable Pkg,Y HDminiSAS/miniSAS,2m,MLX

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Config Guide AssuredSAN 3xx4

PFRUKL24-04 Cable Pkg,Y HDminiSAS/miniSAS,2m,MLX,4BK

Controller/Miscellaneous components PFRUKC61-01 38X4,CNC,2P,1RM-EX,FRU,PKG PFRUKC76-01 35X4,SAS,2P,1RM-EX,FRU,BB,PKG FHDW018-02 Rack Mount Kit,Shelf,Long,All HW 25"-36" PFRUKA17-01 Chas+MP,2U12,6G,V2,BB,FRU,PKG

PFRUKA19-01 Chas+MP,2U24-S2,6G,V2,BB,FRU,PKG

5.2. 2U24 Overview

To build a system a la carte, choose from the TLAs below. Note: Additional TLAs are available. For a full up-to-date list, see our price book.

Drive-less RBOD System (include rail kit): D3824C000000BA 3824,2RM,12GB,No drives,AC,V2,DH CNC D3524C000000BA 3524,2RM,12GB,No drives,AC,V2,DH SAS D3824C000000BD 3824,2RM,12GB,No drives,DC,V2,DH DC Power

Drive-less JBOD System (include rail kit): J6G12C000000BA 6GJBOD,2JM,2U12,No drives,AC,V2,DH J6G24C000000BA 6GJBOD,2JM,No drives,AC,V2,DH

Drives (sold as singles) PFRUKT76-01 DD,SFF,1.0TB,7K,6G,SAS,BB,PKG PFRUKTXSEN113-01 DD SFF 600GB 10K 6G ENCR SAS BB, PKG PFRUKF64-01 DD,SFF,600GB,10K,6G,SAS,BB,PKG PFRUKT79-01 DD,SFF,900GB,10K,6G,SAS,BB,PKG PFRUKTXSXN129-01 DD,SFF,1.2TB,10K,6G,SAS,BB,PKG PFRUKTXSXE170-01 DD,SFF,1.2TB,10K,6G,SAS,ENCR,BB,PKG PFRUKT81-01 DD,SFF,300GB,15K,6G,SAS,BB,PKG PFRUKTXSXN207-01 DD,SFF,600GB,15K,6G,SAS,BB,PKG PFRUKRXSXN108-01 SSD,SFF,400GB,SAS,BB,PKG PFRUKRXSXN125-01 SSD,SFF,800GB,SAS,BB,PKG PFRUKRXSXN215-01 SSD,SFF,1.6TB,6G,SAS,BB,PKG PFRUKF31-01 AMS,SFF Drive Blank,BB,FRU,PKG Drives (sold as 24 packs) PFRUKT76-24 DD,SFF,1.0TB,7K,6G,SAS,BB,24 BULK PK PFRUKTXSEN113-24 DD,SFF,600GB,10K,6G,SAS,ENCR,BB,24 BULK PK PFRUKF64-24 DD,SFF,600GB,10K,6G,SAS,BB,24 BULK PK PFRUKT79-24 DD,SFF,900GB,10K,6G,SAS,BB,24 BULK PK PFRUKTXSXN129-24 DD,SFF,1.2TB,10K,6G,SAS,BB,24 BULK PACK PFRUKTXSXE170-24 DD,SFF,1.2TB,10K,6G,SAS,ENCR,BB,24 PACK PFRUKT81-24 DD,SFF,300GB,15K,6G,SAS,BB,24 BULK PK PFRUKTXSXN207-24 DD,SFF,600GB,15K,6G,SAS,BB,24 BULK PK PFRUKF31-48 AMS,SFF Drive Blank,BB,48 Bulk Pack SFPs PFRUKK11 SFP,1Gb Copper RJ45 -1D 4pk PFRUKK12 SFP,8Gb 850nm Rate Select,4pk

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Config Guide AssuredSAN 3xx4

PFRUKK13 SFP+,10GigE 3.3V 850nm LC Mod,4pk PFRUKK14 SFP+,16GFC 3.3V 850nm LC Mod, 4pk

Host Port-Expansion Cable PFRUKL23-01 Cbl Pkg,Y HDminiSAS/HDminiSAS,2m,MLX PFRUKL23-04 Cbl Pkg,Y HDminiSAS/HDminiSAS,2m,MLX,4BK PFRUKL24-01 Cable Pkg,Y HDminiSAS/miniSAS,2m,MLX PFRUKL24-04 Cable Pkg,Y HDminiSAS/miniSAS,2m,MLX,4BK

PFRUKA19-01 Chas+MP,2U24-S2,6G,V2,BB,FRU,PKG

5.3. How many RBOD/JBOD Chassis are Supported

Up to 1 RBOD + 3 JBOD are supported.

5.4. Hot Plug Expansion & Replacement Support

All 3xx4 models support hot plug expansion and replacement of redundant controllers, enclosures, fans, power supplies, and I/O modules for simple, fast installation and maintenance. Hot add expansion of disk enclosures is also supported.

5.5. Power Supplies/Rail Kits

Power Rating (RBODs) 2U12/2U24 595W supply 87% for 50% load - designed to meet ENERGY STAR compliance

Power Switch: DHS has released a second source power supply for use in 2u12 and 2u24 products. This new power supply from Acbel is available with or without a power switch and is a direct replacement option for the current Emerson model supplies. See Tech bulletin: 81-00000086-00-01

AC Power Supply 2U12/2U24: PFRUKE08-01 Power Supply,595W,AC,2U12/24,FRU,PKG

DC Power Supply 2U12/2U24: PFRUKE02-01 Power Supply,575W,DC,2U12/24,FRU,PKG

Rail Kits: 2U12/24 FHDW018-02 Rack Mount Kit,Shelf,Long,All HW 25"-36"

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1 2 3 4 5

6. Expansion JBODs

6.1. Expansion JBOD Overview

Just as the user has a choice of chassis for the array head (LFF and SFF drive bays, AC or DC powered), so also do they have a choice of expansion disk enclosures accommodating either drive size. The J6G12 and J6G24 can be hotadded to an operating array. SFF and LFF Array RBODs and JBODs are mixed with few limitations.

J6G12, 3.5-inch Disk Enclosure. This 2U unit has twelve LFF (3.5-inch) drive bays and accepts dual-ported SAS, SEDs and SAS NL drives. The pre-configured LFF Drive Enclosures have two I/O modules and support both single and dual controller arrays.

 This 3.5-inch disk enclosure can be attached to any 3xx4 RBOD.  Each configured model ships standard with two .5m mini-SAS to mini-SAS cables for connection to the

AssuredSAN array expansion port or existing disk enclosure cascade port.

 LFF and/or SFF Disk Enclosures can be mixed up to the maximum of 4 total Disk Enclosures  The J6G12 does not support LFF SATA HDDs.

J6G24, 2.5-inch Disk Enclosure. This 2U storage enclosure is designed to support twenty four 2.5-inch Universal form factor (SFF) 12Gb, SSD, SAS, SEDs or SAS NL hard drives. It ships standard with dual I/O modules installed.

• This 2.5-inch disk enclosure can be attached to any 3xx4 LFF or SFF RBODs.

• Each configuration ships with a two .5m mini-SAS to mini-SAS cables for connection to the AssuredSAN 3xx4

array expansion port or existing disk enclosure cascade port.

• LFF and/or SFF Disk Enclosures can be mixed up to the maximum of 4 total disk Enclosures.

• The J6G24 does not support SFF SATA HDDs.

Scalability: The AssuredSAN 3xx4 array configurations are designed to allow an installation to begin with smaller capacity and be able to grow gradually as needed. The flexibility of SSD, SAS or SAS NL drive technology, form factors, sizes, speeds, and costs per GB allows a system to easily fit in almost any budget.

6.2. JBOD Enclosure

AssuredSAN J6Gxx standard disk enclosure (2U) - rear panel components:

1. Power Indicator 4. SAS In Port

2. Fault Indicator 5. SAS Out Port

3. Unit Locator

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Config Guide AssuredSAN 3xx4

Line

AssuredSAN

RBOD

Model

3004

Bays

2U12

2U24

TLA

38x4/35x4

If you have the above RAID product, the below

are "recommended" JBOD's

Titanium

IOM

3120

AssuredSAN 3000 "Titanium" JBODs behind LX

RBODs are supported, but LX JBODs are

recommended.

3130

4120

4130

Gallium

IOM

4124

J6G24

4134

J6G12

4144

4154

6.3. What JBODs are supported behind 3xx4 RBODs

Driveless JBOD (AC power) TLAs:

2U12: J6G12C000000BA 6GJBOD,2JM,2U12,No drives,AC,V2,DH

2U24: J6G24C000000BA 6GJBOD,2JM,2U24,No drives,AC,V2,DH

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Supported Drives (Q2 2015)

AssuredSAN 3004

2U12

2U24

LFF

1TB

Yes*

2TB

Yes

3TB

Yes

4TB

Yes

6TB

Yes

8TB

Yes

SFF

10K

300GB

EOL

600GB Yes

900GB Yes

1.2TB

Yes*

Yes

1.8TB Yes

15k

300GB

Yes*

450GB

Yes*

600GB

Yes*

1TB Yes

2TB Yes

SSD

200GB Yes

400GB Yes

800GB

Yes*

Yes

1.6TB

Yes*

Yes

Key

Yes* = but not on price book

7. Drives

7.1. What Drives Are Supported

The following table shows what drives are supported in what chassis.

7.2. How many SSDs are supported (SFF in LFF Chassis)

2U12: Up to 12 SSDs or 2.5” HDDs are supported

2U24: Up to 24 SSDs

7.3. Drive Sleds & Air Management Sleds (AMS)

7.3.1. Drive Sleds:

Below are drive sleds that house drives for AssuredSAN 3004 chassis.

2U12: PFRUKF89-12 Sled,LV2,Kit w/Screws,BB,12 Bulk Pack 2U24: PFRUKF88-24 Sled,SFF,Kit w/Screws,BB,24 Bulk Pack

7.3.2. Air Management Sleds:

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2U12: Single: PFRUKFXGXN150-01 AMS,LV2 Drive Blank, BB,PKG 48 Pack PFRUKFXGXN150-48 AMS,LV2 Drive Blank,BB,48 Bulk Pack

Config Guide AssuredSAN 3xx4

3004 (EX)

Traditional RAID

Virtual

RAID stripe chunk sizes (min/max)

16/512

Auto (512KB-64KB)

Drives per RAID: 0 (min/max)

2/16

2/2 (Read cache only)

Drives per RAID: 1 (min/max)

2/2

Drives per RAID: 3 (min/max)

3/16

N/A (Not allowed for virtual

disk groups)

Drives per RAID: 5 (min/max)

3/16

Drives per RAID: 6, 10 (min/max)

4/16

Drives per RAID: 50 (min/max)

6/32

N/A (Not allowed for virtual

disk groups)

Max dedicated spares per disk group

N/A

Max global spares per system

Maximum TBs per LUN

128

Max TBs per Virtual Pool

N/A

1.125PB per system

Max Chassis per system

Drives per system, 2U24 array plus max 2U24

Drives per system, 2U12 array plus max 2U12 JBODs

Disk Groups per system

Pools per system

2 (1 per controller)

Initiators per port

1024

Initiators per system

8192

Commands (preferred path) per LUN, 4 port controller (System limit)

4096

Max Queue Depth per port (SAS)

1024

Max Queue Depth per port (iSCSI)

1024

Max Queue Depth per port (FC)

1024

2U24: Single: PFRUKF31-01 AMS,SFF Drive Blank,BB,FRU,PKG 48 Pack: PFRUKF31-48 AMS,SFF Drive Blank,BB,48 Bulk Pack

7.4. 512e Drives

For AssuredSAN storage arrays, Dot Hill supports emulation, or 512e drives, rather than the 4K native sector format for the drives. These drives include emulation (e) which supports backward compatibility for the many applications and legacy operating systems that do not support 4K native drives. Dot Hill continues to work actively with its drive suppliers and firmware teams to optimize drives to reduce the potential performance impacts that come with emulation and enable your organization to gain greater value from 512e drives.

Older versions of application software such as virtualization software that reside between the operating system and your storage firmware may not fully support 512e drive emulation. If not, performance degradation might result. Please ensure that you have upgraded to the most recent version of any software that might be affected, and refer to its documentation for further information.

8. Software / Features

8.1. Feature Scale Factors

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Mappable Physical Volumes per Pool

128

N/A

Maximum LUNs per system (This means mapped volumes)

1024

Maximum Volumes per system

512 *note1

2048

Snapshots per system (net usable)

512 *note2

1024 (EX only with license)

Master Volumes per system

128 *note4

1024 base volumes

Snapshots per Master Volume

127

254 snaps per base (EX only

with license)

Number of replication sets per Linear Disk Group

4 *note5

N/A

Number of replication snapshot per Replication Set

127

N/A

Max replication snapshots per system

512

N/A

Remote snap limits: Sets (S)

N/A

Remote snap limits: Nodes (N)

N/A

Remote snap limits: Remote Systems (RS)

N/A

Remote snap limits: Chains (C)

N/A

RealSpan: Maximum number of peer connections

N/A

RealSpan: Maximum number of replication volumes

N/A

RealSpan: Maximum volumes per volume group

N/A

Max snapshot-related volumes (snaps + RSR snaps)

1024

1024 (note: RSR applies to

linear only)

Max snaps per Pool

127 (DMS snaps)

512 (PS snaps)

Max Disk Group size

128 TB

256 TB design limit

Max SCSI reservations (system)

1024

Max SCSI reservations (LUN)

Max SCSI registrations (system)

32768

Max SCSI registrations (LUN FC or SAS)

128

4096

Max SCSI registrations (LUN iSCSI) – dependent on IQN length

85 to 128

4096

Max Initiators per Host

128

Max Hosts per Host Group

256

Max Host Groups per System

Max Volumes per Volume Management Group

1024

Max Volume Management Groups per System

256

Note:

1. For "Maximum Volumes per system 512" under linear mode, it is really up to 1024, but 512 recommended.

2. For "Snapshots per system (net usable) 512" under linear mode, it is really up to 1016, but 512 recommended.

3. GL200 (and GL1xx) allows up to 1024 shared between volumes and snapshots.

4. For “Master Volumes per system” under linear mode, it is really up to 1024, but 128 recommended.

5. For “Number of replication sets per Vdisk” under linear mode, it is really up to 16, but 4 recommended.

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8.2. RealStor

RealStor gives users access to several new key features including thin provisioning with UNMAP, SSD read cache, storage pooling, fast rebuilds and virtual pool provisioning. The new features will be accessed via a new User Interface, referred to as Storage Management Console V3. This new management GUI brings a new modern look and feel to array management. Existing customers can choose to use the new V3 or to continue to use the previous generation V2 if new virtualization features are not required.

8.2.1. New User Interface:

RealStor introduces advanced storage software for hybrid arrays, built for easy to use storage management, and optimizing performance and capacity needs to address today’s dynamically changing workloads. The new .v3 Storage Management Console for RealStor provides all the capabilities of the prior interface with an updated look and feel that scales well for managing large numbers of volumes and hosts. New systems default to the new .v3 interface.

v3: Specifies to use the new WBI interface to manage virtual and linear storage, and to use terminology in CLI output

and system messages that is oriented to managing a hybrid (linear and virtual) system, such as “disk group” for disk

groups and “pool” for pools. This is the default for a new installation.

8.3. Storage Pools/Virtual Disk Groups/Volumes:

Storage Pools allow data on a given LUN to span across all drives in a pool. When capacity is added to a system, the user is also getting a performance benefit of the additional spindles –hence the term Wide Striping. Storage Pools are available with GL200 firmware or newer.

Virtual Disk Groups When creating a Virtual Disk Group, the user can specify the RAID level (RAID 1, 5, 6, 10) and which Pool the Disk Group belongs to. Disk Groups must contain like disk types: SSD, Enterprise SAS, NL SAS. The user must select a valid group of available HDDs or SSDs for the chosen RAID type. These configuration rules are the same as creating a VDisk with the prior V2 interface. Unlike creating VDisks in the V2 interface, the chunk size is automatically set to 512KB and does not need to be modified by the user. An example of the V3 Add Disk Group Screen is shown in Figure 1 below:

Figure 1 – Add Disk Group Screen

Volumes in Virtual Disk Pools: To further explain the virtual disk pool concept, we will first look at how volumes are treated in the virtual disk pool. One of the key concepts of the RealStor firmware is the addition of a virtualization layer which allows a volume’s data to be segmented into discrete 4MB entities called pages. These 4MB pages are managed individually, and can allow a

volume’s data to be spread over potentially multiple underlying storage pool Virtual Disk Groups and potentially

multiple tiers (SSD, Enterprise SAS, NL SAS) of disks.

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8.3.1. Mapping in the V3 Interface:

Once the users have added their Disk Groups to create the Pools, they may now create and map volumes. This is very similar to how the customers currently create volumes in the V2 WBI, however volumes are now assigned to a pool instead of a VDisk.

RealStor includes the ability to assign volumes to groups. This grouping capability enables large numbers of initiators to be mapped to LUNs in a single operation – improving the efficiency and organization of host configuration. In addition, the V3 interface incorporates search filters that greatly simplify the task of managing large numbers of volumes and reduce management time.

To map a volume, the user may select the Mapping topic, or click on the volume and select Mapping under the action tab. The Mapping screen in the V3 interface is different than the V2 version and contains several enhancements.

Users may now create initiator names, assign to Hosts, and then assign Host to Host Groups. This greatly simplifies the tasks of managing and mapping large numbers of Hosts that may have the same mapping requirements. Filter capabilities also exist for the Host and Host group tables.

RealStor allows for users to do default mapping by selecting “All other initiators.” Selecting this will make the volume available to all host ports. The user may also do explicit mapping - mapping to individual initiators, hosts, or host groups. The Storage Management Console will map to both the A and B controller by default for each port. Figure 2 is an example of the Mapping Screen.

Figure 2 – Mapping Screen in RealStor’s Management Console

8.3.2. Provisioning and Mapping with the CLI:

RealStor will support a robust CLI. RealStor maintains a set of commands for the Linear (V2) interface, and a separate set of commands specific to the new Virtual (V3) interface. While much of the command-set is shared between the two, there are some significant differences which are required to maintain backwards compatibility while allowing users to manage both versions in the same CLI.

While this document is not intended to highlight all the differences, some of the commands specific to provisioning and mapping that customers will want to review are highlighted here. For detailed description of all the changes, CLI Reference guide will be available.

First, specific to setting a management interface, set protocols and set cli-parameters will include support for setting the management-mode interface to v2 or v3 at both a global (set protocols) or session level (set cli-parameters). This setting will dictate which CLI commands are used.

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With the introduction of the term disk group, RealStor will provide a new set of CLI commands to configure disk groups: add disk-group, remove disk-groups, show disk-groups, etc. Disk groups are a group of disks that together form a RAID set.

In a V2 (RAIDar 2.0) environment, disk groups are exactly the same as vdisks. Commands used to manage vdisks in GL105 code will be the same as in the V2 interface.

With volumes now residing in pools, a new set of CLI commands is available to manage them; show pool, remove pool, etc.

As highlighted above, the CLI will allow supporting for host groups in both the V2 and V3 interface modes. However, the term host can have a different meaning depending on whether you are grouping, or using the legacy context of the command. RealStor will also introduce volume groups for virtual volumes. For additional information regarding CLI command changes, please refer to the CLI Reference Guide for a more detailed description.

8.4. RealThin: Thin Provisioning

Thin Provisioning allows storage allocation of physical storage resources only once they are consumed by an application. Thin Provisioning also allows over-provisioning of physical storage pool resources allowing ease of growth for volumes without predicting storage capacity upfront. Thin Provisioning is available with GL200 firmware or newer.

Thin Provisioning and Modern File Systems Many modern operating systems become automatically aware of an array's ability to support thin provisioning. This is true of Windows 2012 / 2012 R2 and Linux with newer 6.x kernels. When using a non-thin provisioned storage array the deletion of a file does nothing more than rearrange the file system pointers.

If the array supports thin provisioning, as with RealStor, thin-aware operating systems will notify the storage array to free the storage that had been allocated to the file that was deleted. This happens with the SCSI UNMAP command. This will allow for the re-use of the capacity that had been allocated for the deleted file.

Windows 2012 / 2012 R2 also issues notifications when the allocations reach a high percentage of the "advertised" capacity. This, along with the capacity usage notifications, signals the user that it may be time to add more physical storage.

How Do I Enable Storage Over-Commitment With RealStor? Overcommit is a pool setting (default on). When enabled, the aggregate capacity of a volume can exceed the physical backing storage.

The user can create a volume on a pool with over-commitment Enabled. No configuration needs to be done to create such a volume. Figure 3 shows that a volume can be logically larger than the pool that it’s assigned to.

Figure 3 – Volume that is logically larger than the pool

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Note: If you try to disable overcommit and the total space allocated to thin-provisioned volumes exceeds the physical capacity of their storage pool, an error will say that there is insufficient free disk space to complete the operation and overcommit will remain enabled.

Thresholds and Notifications Users with a manage role can view and change settings that affect the thresholds and corresponding notifications for each storage pool.

 Low Threshold – When this percentage of pool capacity has been used, Informational event 462 is generated to notify

the administrator. Thus value must be less than the Mid Threshold value. The default is 25%.

 Mid Threshold – When this percentage of pool capacity has been used, event 462 is generated to notify the

administrator to add capacity to the pool. This value must be between the Low Threshold and High Threshold values. The default is 50%. If the commitment setting is enabled, the event has Informational severity; if the overcommitment setting is disabled, the event has Warning severity.

 High Threshold – When this percentage of pool capacity has been used, Critical event 462 is generated to alert the

administrator that it is critical to add capacity to the pool. This value is automatically calculated based on the available capacity of the pool minus reserved space.

8.5. Performance Volumes/LUNs and Rapid Rebuilds:

8.5.1. Large LUNs:

The RealStor firmware release introduces the concept of Virtual Disk Pools – which are comprised of multiple Virtual Disk Groups (a disk group is similar to a VDisk). This now decouples the LUN from being restricted to a single VDisk. A Volume’s data on a given LUN can now expand across all disk drives in a pool. When capacity is added to a system, the user is also getting a performance benefit of the additional spindles –hence the term Performance Volume.

 General “Best Practice” for VMFS datastores is to use large LUNs for use by multiple VMs. Large LUNs gives

VMware vSphere users the most flexibility by not requiring storage administrators to provision new storage every time a new VM is created. Large LUNs also minimize rescans for new LUNs on the ESX server, which can impact VMFS I/O.

 Operating Systems now support up to 16TB file systems.  As enterprise workloads for virtual environments grow in size and in performance demands, virtual hard disk (VHD)

formats need to accommodate them. Hyper-V in Windows Server 2012 introduces a new version of the VHD format called VHDX which supports virtual disks up to 64TB in size.

RealStor supports large, flexible Volumes with sizes up to 128TB spanning up to 96 HDDs (architectural limit) providing seamless capacity expansion. Data automatically reflows to new drives and IOPs scale with additional storage.

8.5.2. RealQuick: Rapid Rebuilds

Rebuild of conventional (Linear) storage requires that the entire VDisk is rebuilt prior to returning the VDisk (and thus the Volumes on the VDisk) to a fault tolerant state. The rebuild operates at the VDisk level and has no knowledge of Volumes or customer data contained therein.

A customer could have a single small Volume on a large VDisk. During the rebuild, even after it has completed the stripes where the Volume resides, the VDisk remains in a degraded or critical state. During this period, another drive failure would take the VDisk from degraded to critical, or from critical to down. In the latter case, the customer may have lost data. In the prior case, the customer’s data becomes at risk once again, even though that area of the VDisk had been rebuilt.

In another example, the customer may have created a Volume or Volumes consuming the entire VDisk space, but may have actually allocated very little. Since linear storage has no means to know what stripes contain customer data and

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which do not, that small amount of data will remain at risk until the entire VDisk has been rebuilt. Also, performance suffers during the entire rebuild.

Another exposure is encountering a media error. If the array is rebuilding two drives and encounters a media error on a third, the rebuild will fail. This leaves the VDisk in a critical state, exposed, and with no way to rebuild the VDisk. It is especially unfortunate if this media error resides in unallocated space. The outcome is the same, linear storage must assume all stripes contain customer data.

With the introduction of Virtual Storage, we have a new set of technologies to improve these conditions. RealStor enables Virtual Disk Pools which track how much data has been allocated for each Volume and where it resides in the Pool, at a granularity of 4 MB. The Virtual Pool algorithm decides where to allocate each new 4 MB page.

Advantages of Quick Rebuild:

 LUNs are spread across many RAID sets, so one RAID set rebuilding only affects a fraction of all disk I/Os.  Less rebuild work to do – so affected disks can return to full performance quickly.  Volumes become fault tolerant more quickly – user data is restored to full protection more quickly.  The rate of a RAID rebuild is directly proportional to the amount of unused disk space in a Virtual Disk Pool.

8.6. RealSnap: Advanced Copy Services / Snapshots

Unlike prior AssuredSAN arrays which use VDisks, RealStor users will create storage pools by creating and adding Virtual Disk Groups into a Virtual Disk Pool. The new copy services will run within these pools and leverage the new storage page design. RealStor will allow the existing COW snapshots and the new Virtual Snapshots for Virtual Disk Pools to coexist on the same system.

8.6.1. Differences between Copy on Write (COW) and Redirect on Write:

The biggest differences between the two types of snapshots are the underlying technique used to manage the location of the data that needs to be preserved. When an application writes to a disk using COW, the snapshot engine copies the contents of the block(s) being overwritten to a new location (snapshot pool), whereas Redirect on Write snapshots write the new data to a new page in the storage pool and updates the internal pointers to indicate the location of the most up to date copy of the data. Where COW requires three I/O’s to complete the operation, Redirect on Write only requires one I/O (write the new data to disk). The advantage of this is the host application does not suffer the inherent performance penalties that exist with the legacy COW snapshots.

8.6.2. Redirect on write snapshot overview:

A snapshot is in theory a new volume with pointers that reference the original volume’s data. To do this we create a new volume for all new incoming writes, create page tables and data structures within the storage pool that duplicate the original volume to keep track of all references for the volume.

A reference count in the page tables is used for each allocated page in a volume to record how many volumes (snapshots) use it. Since reference counts are shared by multiple volumes (snapshots), they are not stored with the volume. They are instead kept in the component object in cache for fast access.

If the volume reference count is 1 then writes will continue as if the volume were a standard volume. If the reference count increases copy services will know a snapshot of that volume has been taken and allocate a new page from the storage pool. When a snapshot is deleted the volume reference count is reduced by 1 and the relevant volume (snapshot) is deleted.

Some Frequently Asked Questions about the new design:

Q: Is a snapshot pool required to use the new copy service? A: No, the new design removes the requirement for a snapshot pool. There is a small volume created within the

storage pool for pointers.

Q: Are there any performance penalties using the new copy services?

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A: No, as each volume (or snapshot) is treated as a standard volume with reference pointers back to the source

volume, snapshots have the same performance profile as the original source volume.

Q: Are there performance implications when deleting one or multiple snapshots? A: No, all information relating to snapshots is using reference pointers, once these pointers are deleted the virtual

storage services de-allocates the required pages from the overall system map.

Q: Can a snapshot of a snapshot be taken? A: Yes, due to the new design of copy services each snapshot is treated as a peer volume and has all the

functionality of the original volume.

Q: Can the new copy services snapshots be used with standard linear VDisks? A: No, virtual storage and storage pools are not compatible with traditional VDisks

Q: Can multiple volumes be snapshotted at the same time? A: Yes, this functionally is similar the existing DMS functions.

Q: Are snapshots with the new copy services application consistent? A: Yes, new copy services support Microsoft VSS and VMware VAAI, consistency outside of these areas will

require scripting and sample scripts can be provided.

8.7. RealSpan: Asynchronous Replication

RealStor users create storage pools by creating and adding Virtual Disk Groups into a Virtual Disk Pool. The new copy services

run within these pools and leverage the new storage page design. GL220 introduces Asynchronous Replication over IP for virtual pools, enabling replication between all AssuredSAN models for business continuity, data protection and disaster recovery.

8.8. RealCache: SSD Read Cache

8.8.1. SSD Read Cache

A read cache is a special-purpose disk group dedicated to hold volatile copies of data within one or more SSDs. An SSD read cache is a new concept in RealStor. Some advantages of a read cache are:

 Improved performance in read-centric workloads where maximum IOPS is crucial  Requires fewer SSDs when compared to a dedicated SSD tier.  A single SSD disk can be used as a read cache for a storage pool; whereas, an SSD tier requires multiple disk

to provide fault tolerance.

 Takes advantage of tiering-like algorithms so that only active pages are copied into the read cache.  Active pages can be from any volume within the pool.

The read cache becomes active when the controller cache is saturated. The controller cache software gives “hints” to

the system software about which pages it would like to keep, but can’t. The system then copies these pages into the

read cache. Reads are served from the SSD, and writes are written to both SSD and HDD.

A read cache is created using the Add Disk Group dialog box. From the Storage Management Console:

 Click on the “Pools” icon in the navigation menu to the left.  Click the “Action” menu, and select the “Add Disk Group” menu item.

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Config Guide AssuredSAN 3xx4

# add disk-group type read-cache pool a disks 1.21-22 MyReadCache

# show disk-groups

# remove disk-groups MyReadCache

8.8.2. Key CLI Commands for Read Cache:

The CLI may be used to create disks groups for Autonomic Tiers (HDD) and Read Cache. Figures 4-6 demonstrate the creation of a read cache, the viewing of disk groups, and the deletion of a disk group respectively. The examples highlight a read cache, but the commands may be used for any type of tier.

Figures 4-6

Creating a disk group

Viewing disk groups

Removing a disk group

9. Warranty

9.1. General Warranty Options

9.1.1. 3 year warranty from date of shipment on all enclosures

 3 Year 7x24 Help Desk Support

Global support providing access to trained support specialist any time you need help with technical or administrative issues

 Access to the SANsolve CRM

Around the clock web services allowing users to submit technical support requests, submit RMA requests, or check status and access information in the knowledge base

 Access to Dot Hill Technical Knowledge base

24 hour web service allowing users to search for technical solutions to known problems. Includes general announcements, firmware/software releases, white papers, technical bulletins and product documentation.

 Advance Exchange If an equipment problem is confirmed by Dot Hill trained technical support personnel, required replacement part(s)

will be shipped in advance of the return of the suspect part(s)

9.2. Support Contact #’s / Resources

9.2.1. Customer Resource Center (CRC)

Dot Hill’s Customer Resource Center provides you with easy access to the product documentation you are currently accustomed to finding on the Support section of the Dot Hill web site. Enter the new Customer Resource Center here, or bookmark crc.dothill.com for direct access to product documentation and support materials. Available on the Customer Resource Center are product manuals, installation guides, software downloads, certification information, interoperability matrices, and frequently viewed articles.

Contact Technical Support: support@dothill.com Phone: +1-877-DOT-7X24 (+1-877-368-7924)

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Config Guide AssuredSAN 3xx4

If calling from outside the U.S.A., Phone: 001-303-845-3200 – select #1 for support

9.2.2. SANsolve Contact Information

SANsolveHelp@dothill.com or 1-877-368-7924

9.2.3. Open a Support Ticket

http://www.dothill.com/support/sansolve/

9.2.4. Submitting RMA Requests

• RMA requests are submitted via SANsolve, Dot Hill’s web-based call center interface.

• Users may register for access to SANsolve at http://www.dothill.com/support/sansolve/new-user-registration

• Registered users may open an RMA request in SANsolve by selecting Current User Login at

http://www.dothill.com/support/sansolve

• SANsolve will require the user to provide the part and serial number of suspect part(s), a description of the perceived

failure, and the ship to company name, address, contact name and phone number of the recipient of replacement parts

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Config Guide AssuredSAN 3xx4

2U12

2U24

Safety

NRTL Cert and Report to UL 60950-1 (USA Safety)

Yes

NRTL Cert and Report to CSA 22.2 No. 60950-1 2nd Edition (Canadian,

Yes

NRTL Cert and Report to EN 60950-1 (European Union)

Yes

NRTL Cert and Report to IEC 60950-1 (International)

Yes

NRTL Cert and Report to EN 60950-1, Am 1 (GS Mark,Germany)

Yes

EMC (Emissions, Harmonics, Flicker, Immunity)

Emissions FCC Class A Mark to CFR 47 Part 15 Subpart B Class A (USA, EMC)

Yes

Emissions ICES-003 – Class A (Canada)

Yes

Emissions EN 55022 Class A (EU)

Yes

Emissions EN 300 386 Class A (EU Telco)

Yes

Emissions AS/NZS CISPR 22 Class A (Australia, New Zealand)

Yes

Emissions VCCI Class A (Japan)

Yes

Emissions GOST R 51318.22 Class A (Russia)

Yes

Emissions KN 22 Class A (S. Korea)

Yes

Emissions CNS 13438 Class A (Taiwan)

Yes

Harmonics EN61000-3-2 (EU)

Yes

Flicker EN 61000-3-3 (EU)

Yes

Immunity EN 55024 (EU)

Yes

Immunity EN 300 386 (EUTelco)

Yes

Immunity GOST R 51318.24 (Russia)

Yes

Immunity KN 24 (S. Korea)

Yes

Other

RoHS 6/6 Compliance (with exemptions)

Yes

China RoHS

Yes

WEEE

Yes

Country Approvals

USA

Yes

Canada

Yes

Austraila/New Zealand

Yes

Japan

Yes

China

PSU only

Russia

EAC Pending

Mexico

Yes

10.

Interoperability & Agency Certifications

10.1.

For the latest Dot Hill Interop Matrix of Hypervisor, Operating System, HBA, and SAN switch certifications, go to

http://CRC.Dothill.com.

10.1.1. VMware Certifications

http://www.vmware.com/resources/compatibility/search.php?deviceCategory=san

10.1.2. Microsoft Certifications

http://www.windowsservercatalog.com/results.aspx?bCatID=1338&cpID=0&avc=10&OR=1

10.2.

Interoperability Certifications:

Agency Certifications – Safety, Emissions, Harmonics, Country Approvals:

The following table list certifications received, or in process by chassis.

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Config Guide AssuredSAN 3xx4

Germany

Yes

South Korea

Pending

Taiwan

Yes

India

Yes

83-00006911-00-01 Rev B Page 29

Config Guide AssuredSAN 3xx4

RBOD

2U24

2U12

Model #

D3824, D3524

D3834, D3534

Power Requirements - AC Input:

Input Power Requirements

100-240VAC 50/60Hz

Max Input Power

400W maximum continuous

375W maximum continuous

Heat Dissipation

1488 BTUs/hour

Power Supply:

Bronze Rated - high efficiency

82% @ 20% load

86% @ 80% load

85% @ 100% load

Power Requirements - DC Input:

Input Power Requirements

-39 to -72VDC, -48/-60V nominal

Max Input Power

500W maximum continuous

Heat Dissipation

1706 BTU/hour

Temperature and Humidity Ranges

Operating Temperature

41°F to 104°F (5°C to 40°C)

Non Operational Temperature

Shipping Temperature

-40°F to 158°F (-40°C to 70°C)

Note: De-rate 2°C for every km, up to 3000 meters

Operating Humidity

10% to 90% RH @ 104°F (40°C), noncondensing

Non-Operating Humidity

Up to 93% RH @ 104°F (40°C), noncondensing

DECLARED ACOUSTIC NOISE LEVELS

Sound Power

LWAd=6,75 B

Sound Pressure

LpAm - 55dBA

SHOCK AND VIBRATION

Shock, Operational

3G’s for 10 ms, half sine

Shock, Non-operational

10G 11ms, half sine

10G 11ms, half sine Vibration, Operational

5Hz to 500Hz, 0.21Grms fl at spectrum

vibration, Non-Operational

3-365-3Hz, 1.22 Grms, z-axis, 0.85 Grms, X&Y axis shaped spectrum

Physical:

# of drives

With twenty four (24) 2.5” Drives

With twelve (12) 3.5” Drives

Depth (excluding cables)

20.46 Inches / 51.9 cm

20.57 Inches / 52.25 cm

Height

3.5 Inches / 8.9 cm

3.43 Inches / 8.71 cm

Width

17.6 Inches / 44.7 cm

18.99 Inches / 48.24 cm

Chassis weight

36.4 lb. / 16.5 kg

58.2 lb. / 26.9 kg

Chassis weight w/Drives

51.8 lb. / 23.5 kg

78.2 lb. / 35.5 kg

11.

Data Sheet Specifications – RBOD (Power, Temp, Acoustic, Dimensions)

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Config Guide AssuredSAN 3xx4

JBOD

2U24

2U12

Model #

J6G24

J6G12

Power Requirements - AC Input:

Input Power Requirements

100-240VAC 50/60Hz

Max Input Power

436W maximum continuous

Heat Dissipation

1488 BTUs/hour

Power Supply:

Bronze Rated - high efficiency

82% @ 20% load

86% @ 80% load

85% @ 100% load

Power Requirements - DC Input:

Input Power Requirements

-39 to -72VDC, -48/-60V nominal

Max Input Power

500W maximum continuous

Heat Dissipation

1706 BTU/hour

Temperature and Humidity Ranges

Operating Temperature

41°F to 104°F (5°C to 40°C)

Non Operational Temperature

Shipping Temperature

-40°F to 158°F (-40°C to 70°C)

Note: De-rate 2°C for every km, up to 3000 meters

Operating Humidity

10% to 90% RH @ 104°F (40°C), noncondensing

Non-Operating Humidity

Up to 93% RH @ 104°F (40°C), noncondensing

DECLARED ACOUSTIC NOISE LEVELS

Sound Power

LWAd=6,75 B

Sound Pressure

LpAm - 55dBA

SHOCK AND VIBRATION

Shock, Operational

3G’s for 10 ms, half sine

Shock, Non-operational

10G 11ms, half sine

Vibration, Operational

5Hz to 500Hz, 0.21Grms fl at spectrum

vibration, Non-Operational

3-365-3Hz, 1.22 Grms, z-axis, 0.85 Grms, X&Y axis shaped spectrum

Physical:

# of drives

With twenty four (24) 2.5” Drives

With twelve (12) 3.5” Drives

Depth (excluding cables)

20.46 Inches / 51.9 cm

20.57 Inches / 52.25 cm

Height

3.5 Inches / 8.9 cm

3.43 Inches / 8.71 cm

Width

17.6 Inches / 44.7 cm

18.99 Inches / 48.24 cm

Chassis weight

36.4 lb. / 16.5 kg

58.2 lb. / 26.9 kg

Chassis weight w/Drives

51.8 lb. / 23.5 kg

78.2 lb. / 35.5 kg

12.

Data Sheet Specifications – JBOD (Power, Temp, Acoustic, Dimensions)

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Config Guide AssuredSAN 3xx4

13.

General

13.1.

13.2.

NEBS level-3 certification

Dot Hill uses UL for Safety Certifications and Nationally Recognized Test Lab (NRTL) for EMC and NEBS compliance testing. Dot Hill 2U12 and 2U24 products also have TUV-GS mark for ease of shipment within Germany. Dot Hill uses the following definitions for products regarding NEBS:

Dot Hill Systems (DHS) Data Storage Arrays may be designed to meet NEBS requirements depending upon customer demand. In order to simplify the definitions of how Dot Hill documents different NEBS requirements, the definitions used below document what this means for Dot Hill products:

1) Compliant i. indicates we have designed the product to pass the standard but have not completed all the necessary testing.

2) Declaration of Conformance i. indicates that all necessary testing is complete and DHS “DECLARES” we have conducted all testing to the standards.

3) Certified NEBS i. indicates that all necessary nesting is complete and DHS “DECLARES” we have conducted all testing to the standards in a NEBS certified test laboratory. Dot Hill 2U12 and 2U24 product lines are NEBS Compliant.

Super Capacitors

Dot Hills EcoStorTM Battery-Free Protection provides battery elimination with patented flash alternative (aka super capacitors) providing 10+ years in service time compared to 2-3 year battery life. There is a single Super Capacitor within each controller from Dot Hill. Additional benefits for Super Capacitors include:

 Reduces costs:  No downtime for replacement  No FRU to track & stock  No hazardous waste disposal  No battery replacement cost  Elimination of service calls

Super Capacitors are a competitive advantage for Dot Hill. Some competitors use battery packs and its 10Wh versus Dot Hill’s 0.1Wh. In other words, competitors need 50-100x the energy to back up write cache to NV memory. They also need 50-100x the time to recharge a fully dissipated battery before they can be protecting the write cache after a power on.

13.3.

83-00006911-00-01 Rev B Page 32

SimulCacheTM Technology

SimulCache leverages redundant RAID controllers, thus eliminating the performance degradation associated with conventional cache mirroring. The implementation of a high-speed dedicated PCI-Express bus streamlines write performance resulting in superior overall system responsiveness driving faster application throughput in databaserelated deployments. This can benefit companies by increasing the number of transactions they can process - i.e. by booking more airline reservations, or more stock trades -- driving increased revenues. provides:

Patented High Performance /Low Latency Cache Mirroring

• Better Write Performance

• Mirrored writes 92% as efficient as non-mirrored

• Reduces load on controller processor & I/O Bus

• Better Data Protection with redundancy

SimulCache

Technology

Config Guide AssuredSAN 3xx4

83-00004787-11-01_VSS_VDS.pdf

AssuredSAN 3004 Series Getting Started (GL105)

AssuredSAN 3004 Series Getting Started (GL200)

AssuredSAN 3004 Series FRU Installation and Replacement Guide (GL200)

AssuredSAN 3004 Series FRU Installation and Replacement Guide (GL105)

AssuredSAN 3004 Series CLI Reference Guide (GL200)

AssuredSAN 3004 Series CLI Reference Guide (GL105)

AssuredSAN 3004 Series Obtaining and Installing a License (GL200)

AssuredSAN 3004 Series Obtaining and Installing a License (GL105)

AssuredSAN 3004 Series Setup Guide (GL200)

AssuredSAN 3004 Series Setup Guide (GL105)

AssuredSAN 3004 Series Storage Management Guide (GL200)

AssuredSAN 3004 Series RAIDar User Guide (GL105)

Event Descriptions Reference Guide (GL200)

Event Descriptions Reference Guide (GL105)

13.4.

Other Sources of Information

AssuredSAN™ 3xx4 Series

83-00006911-00-01 Rev B Page 33

Seagate AssuredSAN 3xx4 Configuration Manual

Specifications and Main Features

Frequently Asked Questions

User Manual