System StorageTM |
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DS3500 Technical Overview
Ma Song
© 2010 IBM |
IBM Systems |
Corporation |
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System StorageTM
Announcing…
IBM System Storage™ DS3500 Express
6 Gbps SAS-based storage system
§Next generation entry-level storage system featuring 6 Gbps SAS technology, improved performance, concurrent iSCSI/SAS or FC/SAS host connectivity, increased scalability and enhanced features
Benefits
§Affordable entry-point with midrange performance, scalability and features
§Green efficiencies reduce energy expenditures
§Extensive suite of Microsoft and VMware solutions
§Ease-of-use built into a powerful and intuitive management software
§Multi-protocol connectivity support concurrent DAS / SAN
§Balanced performance ideally-suited for mixed workloads and virtualization
§Enhanced security features provides relentless data protection
IBM Systems
System StorageTM
IBM Entry-Level And Midrange Storage |
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Positioning |
DS5100, DS5300 |
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• FC, iSCSI connectivity |
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• (480) SSD, FC, SED, SATA drives |
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• EXP5000 (16 drives) or new EXP5060 (60 |
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drives) expansion units |
DS5020,DS3950*
•FC, iSCSI connectivity
•(112) FC, SED (DS5020 only), SATA drives
•EXP5020 (16 drives) expansion unit
DS3500
•FC, SAS, iSCSI connectivity
•(96) SAS, SED-SAS, NL-SAS drives
•EXP3512 (12 3.5-in drive), EXP3524 (24
3.5-in drive) expansion units
DS3200, DS3300, DS3400
•FC, SAS, iSCSI connectivity
•(48) SAS, SATA drives
•EXP3000 (12 drive) expansion unit
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SMB / Entry-level |
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Workgroup |
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Department |
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Data Center |
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HPC |
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SAS, iSCSI connectivity |
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iSCSI, FC connectivity |
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FC, iSCSI connectivity |
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FC connectivity |
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FC connectivity |
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DAS/shared DAS/IP SAN |
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Shared DAS, small SAN |
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Homogeneous SANs |
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Heterogeneous SANs |
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System clusters |
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Simple management |
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Simple management |
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Performance value |
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Highest performance |
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GPFS |
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Snapshot replication |
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Snapshot replication |
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Configuration flexibility |
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Configuration flexibility |
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Maximum bandwidth |
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Local/remote replication |
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Local/remote replication |
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Capacity density |
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IBM Systems |
System StorageTM
DS3500
§SBB(Storage Bridge Bay) 2.0 compliant form factor
§2 6Gbps SAS host ports on the base board
§Base board allows connection of one daughter card for support of additional host interface types (1 Gbps iSCSI, 8Gbps FC)
§Supports Simplex and Duplex system configurations
§6Gbps SAS support for the back end
§2 tray types
►EXP3524 (pictured)
►EXP3512
IBM Systems
System StorageTM
DS3500 - Controller Canister Assembly
HIC Daughter Card
Memory DIMM
SDHC Card
Lid |
Battery |
DS3500 PCBA in Base
Faceplate
HIC Adapter Plate
IBM Systems
System StorageTM
DS3500 Controller
6 |
IBM Systems |
System StorageTM
Core processor
§Next-generation 6 Gb SAS
Power PC 440 ROC 800-MHz processor
–Super scalar core with a 1.9x MIPS multiplier that translates into 1.5-GHZ x-scale
§The core processor has been updated with the 6Gbs SAS Power PC 440 ROC processor also often referred to as the meteor chip.
§IBM PowerPC 440 32 RISC CPU
Book E POWER
IBM Systems
System StorageTM
DS3500 - SBB 2.0 Support
§Midplane EEPROMs (1 per bus) contain (list not comprehensive):
►Midplane (enclosure) VPD data
►SBB-specific data
►Drive Port Mapping Tables
►Vendor-specific data
§Tray functionality
►Cleanly identify errors and faults
►Authenticate tray components
IBM Systems
System StorageTM
DS3500 – Controller Block Diagram
IBM Systems |
System StorageTM
DS3500 – Back Panel w/ no Daughter Card
RS232 |
Ethernet |
Host SAS 2.0 |
Expansion SAS 2.0 |
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IBM Systems
System StorageTM
Optional Host Daughter Card
§Two 6 Gbps SAS ports per controller standard
§Optional host card provide increased connectivity and multi-protocol support
Part Number |
Feature Code |
Host Daughter Card |
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68Y8431 |
3610 |
6 Gbps SAS 2 host port |
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daughter card |
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68Y8432 |
3611 |
8 Gbps FC 4 host port |
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daughter card |
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68Y8433 |
3612 |
1 Gbps iSCSI 4 host port |
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daughter card |
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IBM Systems
System StorageTM
DS3500 – Controller w/ SAS Daughter Card
Fault |
Activity |
Amber |
Green |
Ch 3 |
Ch 4 |
Host SAS 2.0
IBM Systems
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