Dell SCv2020, SCv2000 User Manual
Dell Storage Center
SCv2000 and SCv2020 Storage System
Deployment Guide
Notes, Cautions, and Warnings
NOTE: A NOTE indicates important information that helps you make better use of your computer.
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you
how to avoid the problem.
WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
Copyright © 2015 Dell Inc. All rights reserved. This product is protected by U.S. and international copyright and
intellectual property laws. Dell™ and the Dell logo are trademarks of Dell Inc. in the United States and/or other
jurisdictions. All other marks and names mentioned herein may be trademarks of their respective companies.
2015 - 04
Rev. A00
Contents
About this Guide.......................................................................................................7
Revision History..................................................................................................................................... 7
Audience................................................................................................................................................ 7
Contacting Dell......................................................................................................................................7
Related Publications.............................................................................................................................. 7
1 About the SCv2000/SCv2020 Storage System............................................... 9
Storage Center Hardware Components.............................................................................................. 9
SCv2000/SCv2020 Storage System............................................................................................... 9
Switches...........................................................................................................................................9
Expansion Enclosures....................................................................................................................10
Storage Center Architecture Options.................................................................................................10
Storage Center Replication............................................................................................................11
Storage Center Communication.........................................................................................................11
Front-End Connectivity................................................................................................................. 11
Back-End Connectivity..................................................................................................................14
System Administration...................................................................................................................15
SCv2000/SCv2020 Storage System Hardware.................................................................................. 15
SCv2000/SCv2020 Storage System Front Panel Features and Indicators..................................15
SCv2000/SCv2020 Back-Panel Features and Indicators.............................................................16
SCv2000/SCv2020 Storage Controller Features and Indicators ................................................17
SCv2000/SCv2020 Drives.............................................................................................................23
SCv2000/SCv2020 Storage System Drive Numbering................................................................23
SC100/SC120 Expansion Enclosure Overview.................................................................................. 24
SC100/SC120 Expansion Enclosure Front Panel Features and Indicators..................................24
SC100/SC120 Expansion Enclosure Back Panel Features and Indicators.................................. 25
SC100/SC120 Expansion Enclosure EMM Features and Indicators............................................ 26
SC100/SC120 Expansion Enclosure Drives.................................................................................. 27
SC100/SC120 Expansion Enclosure Drive Numbering................................................................27
2 Install the Storage Center Hardware.............................................................. 28
Unpack and Inventory the Storage Center Equipment..................................................................... 28
Prepare the Installation Environment.................................................................................................28
Safety Precautions...............................................................................................................................28
Installation Safety Precautions......................................................................................................29
Electrical Safety Precautions.........................................................................................................29
Electrostatic Discharge Precautions.............................................................................................30
3
General Safety Precautions...........................................................................................................30
Install the Storage System in a Rack...................................................................................................30
3 Front-End Cabling.............................................................................................. 32
Types of Redundancy for Front-End Connections........................................................................... 32
Port Redundancy...........................................................................................................................32
Storage Controller Redundancy................................................................................................... 33
Multipath IO...................................................................................................................................33
Cabling SAN-Attached Host Servers.................................................................................................. 34
Connecting to Fibre Channel Host Servers..................................................................................34
Connecting to iSCSI Host Servers................................................................................................ 46
Cabling Direct-Attached Host Servers............................................................................................... 55
Preparing Host Servers..................................................................................................................55
SAS Virtual Port Mode................................................................................................................... 56
Two Servers Connected to Dual 12 Gb 4–Port SAS Storage Controllers...................................56
Four Servers Connected to Dual 12 Gb 4–Port SAS Storage Controllers...................................57
Two Servers Connected to a Single 12 Gb 4–Port SAS Storage Controller............................... 59
Labeling the Front-End Cables.....................................................................................................60
Cabling the Ethernet Management Port.............................................................................................61
Labeling the Ethernet Management Cables................................................................................. 61
Cabling the Embedded Ports for iSCSI Replication...........................................................................62
Cabling the Replication Port for iSCSI Replication...................................................................... 62
Cabling the Management Port and Replication Port for iSCSI Replication................................ 63
Cabling the Embedded Ports for iSCSI Host Connectivity................................................................64
Two iSCSI Networks with Dual Storage Controllers and Embedded Ethernet Ports.................64
One iSCSI Network with Dual Storage Controllers and Embedded Ethernet Ports...................65
4 Back-End Cabling and Connecting Power.................................................... 67
SC100/SC120 Expansion Enclosure Cabling Guidelines...................................................................67
SAS Redundancy............................................................................................................................67
SAS Port Types...............................................................................................................................67
Back-End Connections for an SCv2000/SCv2020 without Expansion Enclosures........................ 68
Back-End Connections for an SCv2000/SCv2020 with Expansion Enclosures..............................68
SCv2000/SCv2020 and One SC100/SC120 Expansion Enclosure.............................................69
SCv2000/SCv2020 and Two or More SC100/SC120 Expansion Enclosures............................. 70
Label the Back-End Cables................................................................................................................. 71
Connect Power Cables and Turn on the Storage System.................................................................72
5 Discover and Configure the Storage Center................................................. 74
Worksheet to Record System Information.........................................................................................74
Storage Center Information..........................................................................................................74
iSCSI Fault Domain Information....................................................................................................75
4
Additional Storage Center Information........................................................................................ 75
Fibre Channel Zoning Information............................................................................................... 76
Locating Your Service Tag.............................................................................................................77
Supported Operating Systems for Storage Center Automated Setup ............................................. 77
Install and Use the Dell Storage Client............................................................................................... 77
Discover and Select an Uninitialized Storage Center........................................................................ 77
Set System Information.......................................................................................................................78
Set Administrator Information............................................................................................................ 78
Configure iSCSI Fault Domains...........................................................................................................79
Confirm the Storage Center Configuration....................................................................................... 79
Initialize the Storage Center............................................................................................................... 79
Review Fibre Channel Front-End Configuration............................................................................... 80
Review SAS Front-End Configuration................................................................................................80
Configure Time Settings.....................................................................................................................80
Configure SMTP Server Settings........................................................................................................ 80
Configure Key Management Server Settings......................................................................................81
Review the SupportAssist Data Collection and Storage Agreement.................................................81
Advantages and Benefits of Dell SupportAssist............................................................................81
Provide Contact Information..............................................................................................................82
Update Storage Center....................................................................................................................... 82
Complete Configuration and Perform Next Steps............................................................................ 82
Set Up a localhost or VMware Host................................................................................................... 83
Set Up a localhost from Initial Setup............................................................................................83
Set Up a VMware vSphere Host from Initial Setup.......................................................................83
Set Up a VMware vCenter Host from Initial Setup.......................................................................84
Configure Embedded iSCSI Ports.......................................................................................................85
6 Perform Post-Setup Tasks................................................................................ 86
Verify Connectivity and Failover.........................................................................................................86
Create Test Volumes.....................................................................................................................86
Test Basic Connectivity.................................................................................................................87
Test Storage Controller Failover...................................................................................................87
Test MPIO...................................................................................................................................... 87
Clean up Test Volumes.................................................................................................................88
Sending Diagnostic Data Using Dell SupportAssist........................................................................... 88
Label SC100/SC120 Expansion Enclosures....................................................................................... 88
A Adding or Removing an Expansion Enclosure..............................................89
Adding Multiple Expansion Enclosures to a Storage System Deployed without Expansion
Enclosures...........................................................................................................................................89
Cable the Expansion Enclosures Together..................................................................................90
5
Check the Current Disk Count before Adding Expansion Enclosures....................................... 90
Add the Expansion Enclosures to the A-Side Chain....................................................................90
Add the Expansion Enclosures to the B-Side Chain.................................................................... 91
Label the Back-End Cables...........................................................................................................93
Adding a Single Expansion Enclosure to a Chain Currently in Service.............................................94
Check the Disk Count before Adding an Expansion Enclosure.................................................. 95
Add an Expansion Enclosure to the A-side Chain....................................................................... 95
Add an Expansion Enclosure to the B-side Chain....................................................................... 97
Label the Back-End Cables...........................................................................................................99
Removing an Expansion Enclosure from a Chain Currently in Service..........................................100
Release the Disks in the Expansion Enclosure........................................................................... 101
Disconnect the A-Side Chain from the SC100/SC120 Expansion Enclosure...........................102
Disconnect the B-Side Chain from the SC100/SC120 Expansion Enclosure...........................103
B Troubleshooting Storage Center.................................................................. 107
Troubleshooting Storage Controllers...............................................................................................107
Troubleshooting Hard Drives............................................................................................................107
Troubleshooting Expansion Enclosures...........................................................................................107
6
Preface
About this Guide
This guide describes the features and technical specifications of an SCv2000/SCv2020 storage system.
Revision History
Document Number: 8X7FK
Revision Date Description
A00 April 2015 Initial release
Audience
The information provided in this Deployment Guide is intended for storage or network administrators and
deployment personnel.
Contacting Dell
Dell provides several online and telephone-based support and service options. Availability varies by
country and product, and some services may not be available in your area.
To contact Dell for sales, technical support, or customer service issues go to www.dell.com/support.
• For customized support, enter your system Service Tag on the support page and click Submit.
• For general support, browse the product list on the support page and select your product.
Related Publications
The following documentation is available for the SCv2000/SCv2020 storage system.
• Dell Storage Center SCv2000 and SCv2020 Storage System Getting Started Guide
Provides information about an SCv2000/SCv2020 storage system, such as installation instructions
and technical specifications.
• Dell Storage Center SCv2000 and SCv2020 Storage System Owner’s Manual
Provides information about an SCv2000/SCv2020 storage system, such as hardware features,
replacing customer replaceable components, and technical specifications.
• Dell Storage Center SCv2000 Series Virtual Media Update Instructions
Describes how to install Storage Center software on an SCv2000/SCv2020 storage system using
virtual media. Installing Storage Center software using the Storage Center Virtual Media option is
intended for use only by sites that cannot update Storage Center using standard methods.
• Dell Storage Center Release Notes
Contains information about new features and known and resolved issues for the Storage Center
software.
7
• Dell Storage Client Administrator’s Guide
Provides information about the Dell Storage Client and how it can be used to manage a Storage
Center.
• Dell Storage Center Software Update Guide
Describes how to upgrade Storage Center software from an earlier version to the current version.
• Dell Storage Center Command Utility Reference Guide
Provides instructions for using the Storage Center Command Utility. The Command Utility provides a
command-line interface (CLI) to enable management of Storage Center functionality on Windows,
Linux, Solaris, and AIX platforms.
• Dell Storage Center Command Set for Windows PowerShell
Provides instructions for getting started with Windows PowerShell cmdlets and scripting objects that
interact with the Storage Center via the PowerShell interactive shell, scripts, and PowerShell hosting
applications. Help for individual cmdlets is available online.
• Dell TechCenter
Provides technical white papers, best practice guides, and frequently asked questions about Dell
Storage products. Go to: http://en.community.dell.com/techcenter/storage/.
8
About the SCv2000/SCv2020 Storage System
The SCv2000/SCv2020 storage system provides the central processing capabilities for the Storage
Center Operating System (OS) and management of RAID storage.
The SCv2000/SCv2020 storage system holds the physical disks that provide storage for the Storage
Center. If additional storage is needed, the SCv2000/SCv2020 also supports SC100/SC120 expansion
enclosures.
Storage Center Hardware Components
The Storage Center described in this document consists of an SCv2000 or SCv2020 storage system,
enterprise-class switches, and
The SCv2000/SCv2020 storage system supports multiple SC100/SC120 expansion enclosures to allow
for storage expansion.
NOTE: The cabling between the storage system, switches, and host servers is referred to as front‐
end connectivity. The cabling between the storage system and expansion enclosures is referred to
as back-end connectivity.
SC100/SC120 expansion enclosures.
1
SCv2000/SCv2020 Storage System
The SCv2000 and SCv2020 are 2U storage systems with built-in storage. The SCv2000 is a 2U storage
system that supports up to 12 internal 3.5–inch hot-swappable SAS hard drives installed in a fourcolumn, three-row configuration. The SCv2020 is a 2U storage system that supports up to 24 internal
2.5–inch hot-swappable SAS hard drives installed vertically side-by-side.
The SCv2000/SCv2020 storage system contains two redundant power supply/cooling fan modules and
up to two storage controllers with multiple IO ports that provide communication with servers and
expansion enclosures.
Switches
Dell offers enterprise-class switches as part of the total Storage Center solution.
The SCv2000/SCv2020 supports Fibre Channel (FC) and Ethernet switches, which provide robust
connectivity to servers and allow for the use of redundant transport paths. Fibre Channel (FC) or Ethernet
switches can provide connectivity to a remote Storage Center to allow for replication of data. In addition,
Ethernet switches provide connectivity to a management network to allow configuration, administration,
and management of the Storage Center.
About the SCv2000/SCv2020 Storage System
9
Expansion Enclosures
An SCv2000/SCv2020 storage system supports multiple SC100/SC120 expansion enclosures. The
expansion enclosures allow the data storage capabilities of the SCv2000/SCv2020 to be expanded
beyond the
The SCv2000/SCv2020 storage system supports a total of 168 drives per Storage Center system. This
total includes the drives in the SCv2000/SCv2020 storage system chassis and the drives in SC100/SC120
expansion enclosures chassis.
• The SCv2000 supports up to thirteen SC100 expansion enclosures, up to six SC120 expansion
enclosures
count of the system does not exceed 168.
• The SCv2020 supports up to twelve SC100 expansion enclosures, up to six SC120 expansion
enclosures, or any combination of SC100/SC120 expansion enclosures as long as the total drive
count of the system does not exceed 168.
12 or 24 internal drives in the storage system chassis.
, or any combination of SC100/SC120 expansion enclosures as long as the total drive
Storage Center Architecture Options
A Storage Center with an SCv2000/SCv2020 storage system can be deployed in two configurations:
• An SCv2000/SCv2020 storage system without SC100/SC120 expansion enclosures.
Figure 1. SCv2000/SCv2020 without Expansion Enclosures
• An SCv2000/SCv2020 storage system with one or more SC100/SC120 expansion enclosures.
NOTE: A storage system with a single storage controller cannot be deployed with expansion
enclosures. The storage system must have dual storage controllers to deploy expansion
enclosures.
Figure 2. SCv2000/SCv2020 with Two Expansion Enclosures
10
About the SCv2000/SCv2020 Storage System
Storage Center Replication
Storage Center sites can be collocated or remotely connected and data can be replicated between sites.
Storage Center replication can duplicate volume data to another site in support a disaster recovery plan
or to provide local access to a remote data volume. Typically, data is replicated remotely as part of an
overall disaster avoidance or recovery plan.
The SCv2000 series Storage Center supports replication to other SCv2000 series Storage Centers.
However, an Enterprise Manager Data Collector must be used to replicate data between the storage
systems.
• For more information on installing an Enterprise Manager Data Collector, see the Dell Enterprise
Manager Installation Guide.
• For more information on managing the Data Collector and setting up replications, see the Dell
Enterprise Manager Administrator’s Guide.
Storage Center Communication
A Storage Center uses multiple types of communication for both data transfer and administrative
functions.
Storage Center communication is classified into three types: front end, back end, and system
administration.
Front-End Connectivity
Front-end connectivity provides IO paths from servers to a storage system and replication paths from
one Storage Center to another Storage Center. The SCv2000/SCv2020 provides three types of front-end
connectivity:
• Fibre Channel: Hosts, servers, or Network Attached Storage (NAS) appliances access storage by
connecting to the storage system Fibre Channel ports through one or more Fibre Channel switches.
Connecting host servers directly to the storage system without using Fibre Channel switches is not
supported.
When replication is licensed, the SCv2000/SCv2020 can use the Fibre Channel ports to replicate data
to another Storage Center.
• iSCSI: Hosts, servers, or Network Attached Storage (NAS) appliances access storage by connecting to
the storage system iSCSI ports through one or more Ethernet switches. Connecting host servers
directly to the storage system without using Ethernet switches is not supported.
When replication is licensed, the SCv2000/SCv2020 can use the iSCSI ports to replicate data to
another Storage Center
NOTE: If replication is licensed, the SCv2000/SCv2020 can use the embedded REPL port to
perform iSCSI replication to another SCv2000 series Storage Center.
If replication is licensed and the Flex Port license is installed, the SCv2000/SCv2020 can use the
embedded MGMT port to perform iSCSI replication to another SCv2000 series Storage Center.
In addition, the SCv2000/SCv2020 can use the embedded MGMT and REPL ports as front-end
iSCSI ports for connectivity to host servers when the Flex Port license is installed.
• SAS: Hosts or servers access storage by connecting directly to the storage system SAS ports.
NOTE: The front-end connectivity ports are located on the back of the storage system, but are
designated as front-end ports.
About the SCv2000/SCv2020 Storage System
11
SCv2000/SCv2020 Storage System with Fibre Channel Front-End Connectivity
An SCv2000/SCv2020 storage system with Fibre Channel front-end connectivity may communicate with
the following components of a Storage Center system.
Figure 3. Storage System with Fibre Channel Front-End Connectivity
Item Description Speed Communication Type
1 Server with Fibre Channel Host Bus Adapters
8 Gbps or 16 Gbps Front End
(HBAs)
2 Fibre Channel switch 8 Gbps or 16 Gbps Front End
3 SCv2000/SCv2020 storage system with FC
8 Gbps or 16 Gbps Front End
front-end connectivity
4 SC100/SC120 expansion enclosures 6 Gbps per channel Back End
5 Remote Storage Center connected via iSCSI
1 Gbps Front End
for replication
6 Ethernet switch 1 Gbps Front End
7 Management network (Computer
Up to 1 Gbps System Administration
connected to the storage system through
the Ethernet switch)
12
About the SCv2000/SCv2020 Storage System
SCv2000/SCv2020 Storage System with iSCSI Front-End Connectivity
An SCv2000/SCv2020 storage system with iSCSI front-end connectivity may communicate with the
following components of a Storage Center system.
Figure 4. Storage System with iSCSI Front-End Connectivity
Item Description Speed Communication Type
1 Server with Ethernet (iSCSI) ports or iSCSI
1 Gbps or 10 Gbps Front End
Host Bus Adapters (HBAs)
2 Ethernet switch 1 Gbps or 10 Gbps Front End
3 SCv2000/SCv2020 storage system with
1 Gbps or 10 Gbps Front End
iSCSI front-end connectivity
4 SC100/SC120 expansion enclosures 6 Gbps per channel Back End
5 Remote Storage Center connected via iSCSI
1 Gbps or 10 Gbps Front End
for replication
6 Management network (Computer
Up to 1 Gbps System Administration
connected to the storage system through
the Ethernet switch)
About the SCv2000/SCv2020 Storage System
13
SCv2000/SCv2020 Storage System with SAS Front-End Connectivity
An SCv2000/SCv2020 storage system with SAS front-end connectivity may communicate with the
following components of a Storage Center system.
Figure 5. Storage System with SAS Front-End Connectivity
Item Description Speed Communication Type
1 Server with SAS Host Bus Adapters (HBAs) 12 Gbps per channel Front End
2 Ethernet switch 1 Gbps Front End
3 SCv2000/SCv2020 storage system with SAS
front-end connectivity
4 SC100/SC120 expansion enclosures 6 Gbps per channel Back End
5 Remote Storage Center connected via iSCSI
for replication
6 Management network (Computer
connected to the storage system through
the Ethernet switch)
12 Gbps per channel Front End
1 Gbps Front End
Up to 1 Gbps System Administration
Back-End Connectivity
Back-end connectivity is strictly between the storage system and expansion enclosures, which hold the
physical drives that provide back-end expansion storage.
The SCv2000/SCv2020 supports SAS connectivity to multiple SC100/SC120 expansion enclosures.
14
About the SCv2000/SCv2020 Storage System
System Administration
To perform system administration, the Storage Center communicates with computers using the Ethernet
management (MGMT) port.
The Ethernet management port is used for Storage Center configuration, administration, and
management.
NOTE: The baseboard management controller (BMC) does not have a separate physical port on the
SCv2000/SCv2020. The BMC is accessed through the same Ethernet management port that is used
for
Storage Center configuration, administration, and management.
SCv2000/SCv2020 Storage System Hardware
The SCv2000/SCv2020 storage system ships with Dell Enterprise drives, two power supply/cooling fan
modules, and either one storage controller or two redundant storage controllers.
Each storage controller contains the front-end, back-end, and management communication ports of the
storage system.
SCv2000/SCv2020 Storage System Front Panel Features and Indicators
The front panel of the SCv2000/SCv2020 contains power and status indicators, a system identification
button, and a seven-segment display.
In addition, the hard drives are installed and removed through the front of the storage system chassis.
Figure 6. SCv2000 Front Panel View
Item Name Icon Description
1 Power indicator Lights when the storage system power is on.
• Off: No power
• On steady green: At least one power supply is providing
power to the storage system
2 Status indicator Lights when at least one power supply is supplying power to
the storage system.
• Off: No power
• On steady blue: Power is on and firmware is running
• Blinking blue:Storage system is busy booting or updating
About the SCv2000/SCv2020 Storage System
15
Item Name Icon Description
• On steady amber: Hardware detected fault
• Blinking amber: Software detected fault
3 Identification
button
4 Unit ID display — Displays the storage system identification number (01).
5 Hard drives — Up to 12 3.5–inch or 24 2.5–inch SAS hard drives
Lights when the storage system identification is enabled.
• Off: Normal status
• Blinking blue: Storage system identification enabled
SCv2000/SCv2020 Back-Panel Features and Indicators
The back panel of the SCv2000/SCv2020 shows the storage controller indicators and power supply
indicators.
Figure 7. SCv2000/SCv2020 Back Panel View
Item Name Icon Description
1 Power supply/
cooling fan module
(PSU) (2)
2 Battery backup unit
(BBU) (2)
3 Storage controller
(1 or 2)
16
— Contains a 580 W power supply and fans that provide cooling
for the storage system.
— Allows the storage controller to shut down gracefully when a
loss of AC power is detected.
— Each storage controller module contains:
• Back-end ports: Two 6 Gbps SAS ports
• Front-end ports: Fibre Channel ports, iSCSI ports, or SAS
ports
• MGMT port: Embedded Ethernet/iSCSI port, which is
typically used for system management
NOTE: The MGMT port can share iSCSI traffic if the
Flex Port license is installed.
About the SCv2000/SCv2020 Storage System
Item Name Icon Description
• REPL port: Embedded iSCSI port, which is typically used
for replication to another Storage Center
4 Cooling fan fault
indicator (2)
5 AC power fault
indicator (2)
6 AC power status
indicator (2)
7 DC power fault
indicator (2)
8 Power socket (2) — Accepts a standard computer power cord.
9 Power switch (2) — Controls power for the storage system. There is one switch for
• Off: Normal operation
• Steady amber: Fan fault or there is a problem
communicating with the PSU
• Blinking amber: PSU is in programming mode
• Off: Normal operation
• Steady Amber: A PSU has been removed or there is a
problem communicating with the PSU
• Blinking amber: PSU is in programming mode
• Off: AC power is off, or the power is on but the module is
not in a controller, or it may indicate a hardware fault
• Steady green: AC power is on
• Blinking green: AC power is on and the PSU is in standby
mode
• Off: Normal operation
• Steady amber: A PSU has been removed, or there is a DC
or other hardware fault, or there is a problem
communicating with the PSU
• Blinking amber: PSU is in programming mode
each power supply/cooling fan module.
SCv2000/SCv2020 Storage Controller Features and Indicators
The SCv2000/SCv2020 includes up to two storage controllers in two interface slots.
The storage controllers support Fibre Channel, iSCSI, or SAS front-end ports.
SCv2000/SCv2020 Storage Controller with Fibre Channel Front-End Ports
Features and indicators on a storage controller with Fibre Channel front-end ports.
Figure 8. Storage Controller with Four 8 Gb Fibre Channel Front-End Ports
About the SCv2000/SCv2020 Storage System
17
Figure 9. Storage Controller with Two 16 Gb Fibre Channel Front-End Ports
Item Control/Feature Icon Description
1 Battery status indicator
• Blinking green (on 0.5 sec. / off 1.5 sec.): Battery heartbeat
• Fast blinking green (on 0.5 sec. / off 0.5 sec.): Battery is
charging
• Steady green: Battery is ready
2 Battery fault indicator
• Off: No faults
• Blinking amber: Correctable fault detected
• Steady amber: Uncorrectable fault detected; replace battery
3 MGMT port — 10 Mbps, 100 Mbps, or 1 Gbps Ethernet/iSCSI port used for
storage system management and access to the BMC
NOTE: To use the MGMT port as an iSCSI port for
replication to another Storage Center, a Flex Port license
and replication license are required. To use the MGMT port
as a front-end connection to host servers, a Flex Port
license is required.
4 REPL port — 10 Mbps, 100 Mbps, or 1 Gbps Ethernet/iSCSI port used for
replication to another Storage Center (requires a replication
license)
NOTE: To use the RELP port as a front-end connection to
host servers, a Flex Port license is required.
5 SAS activity indicators —
• Off: Port is off
• Steady green: Port is on, but without activity
• Blinking green: Port is on and there is activity
6 Storage controller
On: Storage controller completed POST
module status
7 Recessed power off
button
8 Storage controller
module fault
Powers down the storage controller if held for more than five
seconds
• Off: No faults
• Steady amber: Firmware has detected an error
• Blinking amber:Storage controller is performing POST
9 Recessed reset button Reboots the storage controller forcing it to restart at the POST
process
18
About the SCv2000/SCv2020 Storage System
Item Control/Feature Icon Description
10 Identification LED
• Off: Identification disabled
• Blinking blue (for 15 sec.): Identification is enabled
• Blinking blue (continuously): Storage controller shut down
to the Advanced Configuration and Power Interface (ACPI)
S5 state
11 USB port
12 Diagnostic LEDs (8) —
Not for customer use on SCv2000/SCv2020 Storage Systems.
• Green LEDs 0–3: Low byte hex POST code
• Green LEDs 4–7: High byte hex POST code
13 Serial port (3.5 mm mini
Not for customer use.
jack)
14 Four or two Fibre
Channel ports with three
LEDs per port
—
• All off: No power
• All on: Booting up
• Blinking amber: 2 Gbps activity
• Blinking green: 4 Gbps activity
• Blinking yellow: 8 Gbps activity
• Blinking amber and yellow: Beacon
• All blinking (simultaneous): Firmware initialized
• All blinking (alternating): Firmware fault
15 Mini-SAS port B Back-end expansion port B
16 Mini-SAS port A Back-end expansion port A
SCv2000/SCv2020 Storage Controller with iSCSI Front-End Ports
Features and indicators on a storage controller with iSCSI front-end ports.
Figure 10. SCv2000/SCv2020 Storage Controller with Four 1 GbE iSCSI Front-End Ports
About the SCv2000/SCv2020 Storage System
19
Figure 11. SCv2000/SCv2020 Storage Controller with Two 10 GbE iSCSI Front-End Ports
Item Control/Feature Icon Description
1 Battery status indicator
• Blinking green (on 0.5 sec. / off 1.5 sec.): Battery heartbeat
• Fast blinking green (on 0.5 sec. / off 0.5 sec.): Battery is
charging
• Steady green: Battery is ready
2 Battery fault indicator
• Off: No faults
• Blinking amber: Correctable fault detected
• Steady amber: Uncorrectable fault detected; replace battery
3 MGMT port — 10 Mbps, 100 Mbps, or 1 Gbps Ethernet port used for storage
system management and access to the BMC
NOTE: To use the MGMT port as an iSCSI port for
replication to another Storage Center, a Flex Port license
and replication license are required. To use the MGMT port
as a front-end connection to host servers, a Flex Port
license is required.
4 REPL port — 10 Mbps, 100 Mbps, or 1 Gbps Ethernet/iSCSI port used for
replication to another Storage Center
NOTE: To use the RELP port as a front-end connection to
host servers, a Flex Port license is required.
5 SAS activity indicators —
• Off: Port is off
• Steady green: Port is on, but without activity
• Blinking green: Port is on and there is activity
6 Storage controller
On: Storage controller completed POST
module status
7 Recessed power off
button
8 Storage controller
module fault
Powers down the storage controller if held for more than five
seconds
• Off: No faults
• Steady amber: Firmware has detected an error
• Blinking amber:Storage controller is performing POST
9 Recessed reset button Reboots the storage controller forcing it to restart at the POST
process
10 Identification LED
• Off: Identification disabled
• Blinking blue (for 15 sec.): Identification is enabled
20
About the SCv2000/SCv2020 Storage System
Item Control/Feature Icon Description
• Blinking blue (continuously): Storage controller shut down
to the Advanced Configuration and Power Interface (ACPI)
S5 state
11 USB port
12 Diagnostic LEDs (8) —
Not for customer use on SCv2000/SCv2020 Storage Systems.
• Green LEDs 0–3: Low byte hex POST code
• Green LEDs 4–7: High byte hex POST code
13 Serial port (3.5 mm mini
Not for customer use.
jack)
14 Four or two iSCSI ports
with two LEDs per port
—
• Off: No power
• Steady Amber: Link
• Blinking Green: Activity
15 Mini-SAS port B Back-end expansion port B
16 Mini-SAS port A Back-end expansion port A
SCv2000/SCv2020 Storage Controller with SAS Front-End Ports
Features and indicators on a storage controller with SAS front-end ports.
Figure 12. SCv2000/SCv2020 Storage Controller with Four 12 Gb SAS Front-End Ports
Item Control/Feature Icon Description
1 Battery status indicator
• Blinking green (on 0.5 sec. / off 1.5 sec.): Battery heartbeat
• Fast blinking green (on 0.5 sec. / off 0.5 sec.): Battery is
charging
• Steady green: Battery is ready
2 Battery fault indicator
• Off: No faults
• Blinking amber: Correctable fault detected
• Steady amber: Uncorrectable fault detected; replace battery
3 MGMT port — 10 Mbps, 100 Mbps, or 1 Gbps Ethernet port used for storage
system management and access to the BMC
About the SCv2000/SCv2020 Storage System
21
Item Control/Feature Icon Description
NOTE: To use the MGMT port as an iSCSI port for
replication to another Storage Center, a Flex Port license
and replication license are required. To use the MGMT port
as a front-end connection to host servers, a Flex Port
license is required.
4 REPL port — 10 Mbps, 100 Mbps, or 1 Gbps Ethernet/iSCSI port used for
replication to another Storage Center
NOTE: To use the RELP port as a front-end connection to
host servers, a Flex Port license is required.
5 SAS activity indicators —
• Off: Port is off
• Steady green: Port is on, but without activity
• Blinking green: Port is on and there is activity
6 Storage controller
On: Storage controller completed POST
module status
7 Recessed power off
button
8 Storage controller
module fault
Powers down the storage controller if held for more than five
seconds
• Off: No faults
• Steady amber: Firmware has detected an error
• Blinking amber:Storage controller is performing POST
9 Recessed reset button Reboots the storage controller forcing it to restart at the POST
process
10 Identification LED
• Off: Identification disabled
• Blinking blue (for 15 sec.): Identification is enabled
• Blinking blue (continuously): Storage controller shut down
to the Advanced Configuration and Power Interface (ACPI)
S5 state
11 USB port
12 Diagnostic LEDs (8) —
Not for customer use on SCv2000/SCv2020 Storage Systems.
• Green LEDs 0–3: Low byte hex POST code
• Green LEDs 4–7: High byte hex POST code
13 Serial port (3.5 mm mini
Not for customer use.
jack)
14 Four Mini-SAS High
Density (HD) ports
— Front-end connectivity ports
NOTE:
The mini-SAS HD ports are for front-end connectivity only and
cannot be used for back-end expansion.
15 Mini-SAS port B Back-end expansion port B
16 Mini-SAS port A Back-end expansion port A
22
About the SCv2000/SCv2020 Storage System
SCv2000/SCv2020 Drives
Dell Enterprise hard disk drives (HDDs) and Enterprise Solid-State Drives (eSSDs) are the only drives that
can be installed in an SCv2000/SCv2020 storage system. If a non-Dell Enterprise drive is installed,
Storage Center prevents the drive from being managed.
The drives in an SCv2000 storage system are installed horizontally. The drives in an SCv2020 storage
system are installed vertically. The indicators on the drives provide status and activity information.
Figure 13. SCv2000/SCv2020 Drive Indicators
Item Name Indicator Code
1 Drive activity
indicator
• Blinking green: Drive activity
• Steady green: Drive is detected and there are no faults
2 Drive status
indicator
• Off: Normal operation
• Blinking amber (on 1 sec. / off 1 sec.): Drive identification is enabled
• Blinking amber (on 2 sec. / off 1 sec.): Drive failed
• Steady amber: Drive is safe to remove
SCv2000/SCv2020 Storage System Drive Numbering
In an SCv2000/SCv2020 storage system, the drives are numbered from left to right.
Dell Storage Client identifies drives as XX-YY, where XX is the number of the unit ID of the storage
system, and YY is the drive position inside the storage system.
• An SCv2000 holds up to 12 drives, which are numbered left to right in rows starting from 0 at the topleft drive.
Figure 14. SCv2000 Drive Numbering
• An SCv2020 holds up to 24 drives, which are numbered left to right starting from 0.
Figure 15. SCv2020 Drive Numbering
About the SCv2000/SCv2020 Storage System
23
SC100/SC120 Expansion Enclosure Overview
The SC100 is a 2U expansion enclosure that supports up to 12 3.5‐inch hard drives installed in a four‐
column, three-row configuration. The SC120 is a 2U expansion enclosure that supports up to 24 2.5‐inch
hard drives installed vertically side‐by‐side.
The SC100/SC120 expansion enclosure ships with two redundant power supply/cooling fan modules and
two redundant enclosure management modules (EMMs).
SC100/SC120 Expansion Enclosure Front Panel Features and Indicators
The SC100/SC120 front panel shows the expansion enclosure status and power supply status.
Figure 16. SC100 Front-Panel Features and Indicators
Figure 17. SC120 Front-Panel Features and Indicators
Item Name Icon Description
1 Expansion enclosure
status indicator
2 Power supply status
indicator
24
Lights when the expansion enclosure power is on.
• Off: No power
• On steady blue: Normal operation
• Blinking blue: Indicates that Storage Center is
identifying the enclosure
• On steady amber: Expansion enclosure is turning on or
was reset
• Blinking amber: Expansion enclosure is in the fault
state.
Lights when at least one power supply is supplying power
to the expansion enclosure.
• Off: Both power supplies are off.
• On steady green: At least one power supply is providing
power to the expansion enclosure
About the SCv2000/SCv2020 Storage System
Item Name Icon Description
3 Hard drives —
Dell Enterprise Plus Drives
• SC100: Up to 12 3.5-inch hard drives
• SC120: Up to 24 2.5-inch hard drives
SC100/SC120 Expansion Enclosure Back Panel Features and Indicators
The SC100/SC120 back panel provides controls to power up and reset the expansion enclosure,
indicators to show the expansion enclosure status, and connections for back-end cabling.
Figure 18. SC100/SC120 Back Panel View
Item Name Icon Description
1 DC power indicator
• Green: Normal operation. The power supply
module is supplying DC power to the expansion
enclosure
• Off: Power switch is off, the power supply is not
connected to AC power, or there is a fault condition
2 Power supply/cooling fan
indicator
3 AC power indicator
4 Power socket (2) — Accepts a standard computer power cord.
5 Power switches (2) — Controls power for the expansion enclosure. There is
6 Power supply/cooling fan
modules (2)
7 Enclosure Management
Modules (2)
About the SCv2000/SCv2020 Storage System
— Contains a 700 W power supply and fans that provide
— EMMs provide the data path and management
• Amber: Power supply/cooling fan fault is detected
• Off: Normal operation
• Green: Power supply module is connected to a
source of AC power, whether or not the power
switch is on
• Off: Power supply module is disconnected from a
source of AC power
one switch for each power supply/cooling fan module.
cooling for the expansion enclosure.
functions for the expansion enclosure.
25
SC100/SC120 Expansion Enclosure EMM Features and Indicators
The SC100/SC120 includes two Enclosure Management Modules (EMMs) in two interface slots.
Figure 19. SC100/SC120 EMM Features and Indicators
Item Name Icon Description
1 System status
indicator
2 Serial port Not for customer use.
3 SAS port A (in) Connects to a storage controller or to other SC100/SC120
4 Port A link
status
Not used on SC100/SC120 expansion enclosures.
expansion enclosures. SAS ports A and B can be used for either
input or output. However for cabling consistency, use port A as
an input port.
• Green: All the links to the port are connected
• Amber: One or more links are not connected
• Off: Expansion enclosure is not connected
5 SAS port B
(out)
6 Port B link
status
7 EMM status
indicator
Connects to a storage controller or to other SC100/SC120
expansion enclosures. SAS ports A and B can be used for either
input or output. However for cabling consistency, use port B as
an output port.
• Green: All the links to the port are connected
• Amber: One or more links are not connected
• Off: Expansion enclosure is not connected
• On steady green: Normal operation
• Amber: Expansion enclosure did not boot or is not properly
configured
• Blinking green: Automatic update in process
• Blinking amber (two times per sequence): Expansion
enclosure is unable to communicate with other expansion
enclosures
• Blinking amber (four times per sequence): Firmware update
failed
• Blinking amber (five times per sequence): Firmware versions
are different between the two EMMs
26
About the SCv2000/SCv2020 Storage System
SC100/SC120 Expansion Enclosure Drives
Dell Enterprise hard disk drives (HDDs) and Enterprise Solid-State Drives (eSSDs) are the only drives that
can be installed in SC100/SC120 expansion enclosures. If a non-Dell Enterprise drive is installed, Storage
Center
prevents the drive from being managed.
The drives in an SC100 expansion enclosure are installed horizontally. The drives in an SC120 expansion
enclosure are installed vertically. The indicators on the drives provide status and activity information.
Figure 20. SC100/SC120 Drive Indicators
Item Name Indicator Code
1 Drive activity
indicator
• Blinking green: Indicates drive activity
• Steady green: Indicates no drive activity
2 Drive status
indicator
• Steady green: Normal operation
• Blinking green (on 1 sec. / off 1 sec.): Drive identification is enabled
• Off: No power to the drive
SC100/SC120 Expansion Enclosure Drive Numbering
In an SC100/SC120 expansion enclosure, the drives are numbered from left to right starting from 0.
Dell Storage Client identifies drives as XX-YY, where XX is the unit ID of the expansion enclosure that
contains the drive, and YY is the drive position inside the expansion enclosure.
• An SC100 holds up to 12 drives, which are numbered in rows starting from 0 at the top-left drive.
Figure 21. SC100 Drive Numbering
• An SC120 holds up to 24 drives, which are numbered left to right starting from 0.
Figure 22. SC120 Drive Numbering
About the SCv2000/SCv2020 Storage System
27
Install the Storage Center Hardware
Prepare for the installation, mount the equipment in a rack, and install the disks.
Unpack and Inventory the Storage Center Equipment
Unpack the storage system and identify the items in your shipment.
Figure 23. SCv2000/SCv2020 Storage System Components
2
1. Documentation 2. Storage system
3. Rack rails 4. Front bezel
Prepare the Installation Environment
Make sure that the environment is ready for Storage Center installation.
• Rack Space: There must be sufficient space in the rack to accommodate the storage system chassis,
expansion enclosures, and switches.
• Power: Power must be available in the rack, and the power delivery system must meet the
requirements of the Storage Center.
• Connectivity: The rack must be wired for connectivity to the management network and any networks
that carry front-end IO from the Storage Center to servers.
Safety Precautions
Always follow these safety precautions to avoid injury and damage to Storage Center equipment.
If equipment described in the document is used in a manner not specified by Dell, the protection
provided by the equipment may be impaired. For your safety and protection, observe the rules described
in the following sections.
28
Install the Storage Center Hardware
NOTE: See the safety and regulatory information that shipped with each Storage Center
component. Warranty information may be included within this document or as a separate
document.
Installation Safety Precautions
Follow these safety precautions:
• Dell recommends that only individuals with rack-mounting experience install an SCv2000/SCv2020
storage system in a rack.
• Make sure the storage system is fully grounded at all times to prevent damage from electrostatic
discharge.
• When handling the storage system hardware, you should use an electrostatic wrist guard (not
included) or a similar form of protection.
The storage system chassis MUST be mounted in a rack; the following safety requirements must be
considered when doing so:
• The rack construction must be capable of supporting the total weight of the installed chassis and the
design should incorporate stabilizing features suitable to prevent the rack tipping or being pushed
over during installation or in normal use.
• To avoid danger of the rack toppling over, do not slide more than one chassis out of the rack at a
time.
• The rack design should take into consideration the maximum operating ambient temperature for the
unit, which is 57°C.
Electrical Safety Precautions
Always follow electrical safety precautions to avoid injury and damage to Storage Center equipment.
WARNING: Disconnect power from the storage system when removing or installing components
that are not hot-swappable. When disconnecting power, first power down the storage system
using the Dell Storage Client and then unplug the power cords from all the power supplies in the
storage system.
• Provide a suitable power source with electrical overload protection. All Storage Center components
must be grounded before applying power. Make sure that there is a safe electrical earth connection to
power supply cords. Check the grounding before applying power.
• The plugs on the power supply cords are used as the main disconnect device. Make sure that the
socket outlets are located near the equipment and are easily accessible.
• Know the locations of the equipment power switches and the room's emergency power-off switch,
disconnection switch, or electrical outlet.
• Do not work alone when working with high-voltage components.
• Use rubber mats specifically designed as electrical insulators.
• Do not remove covers from the power supply unit. Disconnect the power connection before
removing a power supply from the storage system.
• Do not remove a faulty power supply unless you have a replacement model of the correct type ready
for insertion. A faulty power supply must be replaced with a fully operational module power supply
within 24 hours.
• Unplug the storage system chassis before you move it or if you think it has become damaged in any
way. When powered by multiple AC sources, disconnect all supply power for complete isolation.
Install the Storage Center Hardware
29
Electrostatic Discharge Precautions
Always follow electrostatic discharge (ESD) precautions to avoid injury and damage to Storage Center
equipment.
Electrostatic discharge (ESD) is generated by two objects with different electrical charges coming into
contact with each other. The resulting electrical discharge can damage electronic components and
printed circuit boards. Follow these guidelines to protect your equipment from ESD:
• Dell recommends that you always use a static mat and static strap while working on components in
the interior of the storage system chassis.
• Observe all conventional ESD precautions when handling plug-in modules and components.
• Use a suitable ESD wrist or ankle strap.
• Avoid contact with backplane components and module connectors.
• Keep all components and printed circuit boards (PCBs) in their antistatic bags until ready for use.
General Safety Precautions
Always follow general safety precautions to avoid injury and damage to Storage Center equipment.
• Keep the area around the storage system chassis clean and free of clutter.
• Place any system components that have been removed away from the storage system chassis or on a
table so that they are not in the way of foot traffic.
• While working on the storage system chassis, do not wear loose clothing such as neckties and
unbuttoned shirt sleeves, which can come into contact with electrical circuits or be pulled into a
cooling fan.
• Remove any jewelry or metal objects from your body because they are excellent metal conductors
that can create short circuits and harm you if they come into contact with printed circuit boards or
areas where power is present.
• Do not lift a storage system chassis by the handles of the power supply units (PSUs). They are not
designed to hold the weight of the entire chassis, and the chassis cover may become bent.
• Before moving a storage system chassis, remove the PSUs to minimize weight.
• Do not remove drives until you are ready to replace them.
NOTE: To ensure proper storage system cooling, hard drive blanks must be installed in any hard
drive slot that is not occupied.
Install the Storage System in a Rack
Install the storage system and other Storage Center system components in a rack.
About this task
Mount the storage system and expansion enclosures in a manner that allows for expansion in the rack
and prevents the rack from becoming top‐heavy.
Steps
1. Secure the rails that are pre-attached to both sides of the storage system chassis.
a. Lift the locking tab on the rail.
b. Push the rail towards the back of the chassis until it locks in place.
2. Determine where to mount the storage system and mark the location at the front and rear of the
rack.
30
Install the Storage Center Hardware
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