Disk Storage Systems
Entry-level Disk Systems
xSeries Only SAN SolutionspSeries Only Direct Attach SolutionsSATA SAN SolutionspSeries Only Direct Attach Solutions
| DS300 | DS400 |
| EXP Plus 320 |
| DS4100 |
| 7204 |
Product | DS300 | DS400 |
| EXP Plus 320 |
| DS4100 (formerly FAStT100 Storage Server) |
| External Disk Drive |
Machine/model |
| 2104/DS4, TS4 |
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Platform sup- | Windows 2000, Windows 2003, RedHat 3, RedHat 4, | Windows 2000, Windows 2003, RedHat 3, RedHat 4, |
| pSeries, select RS/6000 servers, AIX |
| Windows Server™ 2003, Windows 2000 Server |
| pSeries, select RS/6000 servers, AIX |
port1 | SuSE 8, SuSE 9, SteeleEye | SuSE 8, SuSE 9, SteeleEye |
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| w/SP4 & Adv. Server, Novell NetWare 6.0 w/SP4, |
| 7204 646 – also supports LINUX® version SLES 9 |
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| NetWare 6.5 w/SP2, Red Hat Enterprise Linux 3.0, |
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| 4.0, SUSE LINUX Enterprise Server 8, 9, VMware ESX |
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| 2.5.1, AIX 5.1/5.2, 5.3, HP UX 11/11i, Solaris 7/8/9 |
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Host connectiv- | iSCSI | Fibre Channel |
| Ultra 320 SCSI |
| Fibre Channel |
| Ultra SCSI - LVD |
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SAN support | Switched Ethernet | Direct, Switched Fabric |
| N/A |
| Direct, |
| N/A |
Copy services | FlashCopy | FlashCopy |
| N/A |
| FlashCopy option, Enhanced Remote Mirroring |
| N/A |
Availability | Fault Tolerant, RAID, Redundant Hotswap Power, |
features | Hotswap drives, Dual controller, dual pathing drivers |
Fault Tolerant, RAID, Redundant Hotswap Power, Hotswap drives, Dual controller, dual pathing drivers
RAID with server adapters, redundant power/cooling,
Controller | Dual active 1GB iSCSI RAID Controllers | Dual Active 2GB FC RAID Controllers | Adapters in server | Single/dual 2GB RAID controller |
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Cache (min, max) | 256MB Battery | 256MB Battery | N/A | 256MB, 512MB | N/A |
RAID support | 0, 1, 5, 10, 50 | 0, 1, 5, 10, 50 | 0, 1, 5 (using | 0, 1, 3, 5, 10 | N/A |
Capacity (min, | 36GB, 4.2TB | 36GB, 12TB with 2 EXP400 Expansion Units | 32GB, 2TB | 250GB, Dual controller supports 28TB with seven | |
max) |
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| Expansion Units | |
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| Single controller supports 3.5TB |
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Drive interface | Ultra320 SCSI | Ultra320 SCSI | Ultra 320 SCSI | 2Gb | Ultra SCSI |
Drive support | 73GB, 146GB, 300GB 10,000 rpm disk drives; 36GB, | 73GB, 146GB, 300GB 10,000 rpm disk drives; 36GB, | 18.2GB, 36.4GB, 73.4GB and 146.8GB 10,000 rpm | 250GB 7,200 rpm SATA disk drives | Single Drive |
| 73GB, 146GB 15,000 rpm disk drives | 73GB, 146GB 15,000 rpm disk drives | disk drives; 36.4GB and 73.4GB 15,000 rpm disk |
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Clustering | Microsoft Windows MSCS | Microsoft Windows MSCS | HACMP | Microsoft Clustering Services, IBM SAN Volume | N/A |
Support |
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| Controller 2.1.0 |
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