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Disk Storage Systems
Entry-level Disk Systems
System x and BladeCenter Direct Attach or SAN Solutions System p Only Direct Attach Solutions SATA SAN Solutions System p Only Direct Attach Solutions
EXP3000 DS3200 DS3400 EXP Plus 320 DS4100* 7204
Product EXP3000 DS3200 DS3400 EXP Plus 320 DS4100 Disk System External Disk Drive
Machine/model 1727-01X 1726-21X, 1726-22X 1726-41X, 1726-42X 2104/DS4,TS4 1724-100/1SC 7204-573, 7204-646
Platform
support
1
Windows 2003, RedHat 3,RedHat 4,
SUSE 9
Windows 2003, RedHat 3,RedHat 4,
SUSE 9, SUSE 10, NetWare
Windows 2003, RedHat 3,RedHat 4,
SUSE 9, SUSE 10, NetWare
System p, IBM AIX Windows Server® 2003,Windows 2000
Server w/SP4 & Adv.Server,Novell®
NetWare 6.0 w/SP4,NetWare 6.5 w/SP2,
Red Hat Enterprise Linux 3.0, 4.0,SUSE
Linux Enterprise Server 8, 9,VMware ESX
2.5.1,AIX 5.1/5.2,5.3,HP UX 11/11i,
Solaris 7/8/9
System p, AIX
7204 646 – also supports Linux version
SLES 9
Host
connectivity
SAS SAS 4 Gbps Fibre Channel Ultra 320 SCSI Fibre Channel Ultra SCSI - LVD
SAN support N/A N/A Direct,Switched Fabric N/A Direct,FC-AL,Switched Fabric N/A
Copy services N/A IBM FlashCopy®,IBM VolumeCopy IBM FlashCopy,IBM VolumeCopy N/A FlashCopy option,Enhanced Remote
Mirroring
N/A
Availability
features
Fault Tolerant RAID, Redundant Hotswap
Power, Hotswap drives, Dual pathing drives
Fault Tolerant, RAID, Redundant Hotswap
Power, 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, hot-swap drives,enclosure
services
Fault-tolerant,RAID, redundant power/
cooling,hot-swap drives, dual controllers,
concurrent microcode update capability,
dual-pathing driver
Controller MegaRAID 8480 Dual active 3 Gbps SAS RAID Controllers Dual Active 4 GB FC RAID Controllers Adapters in server Single/dual 2 GB RAID controller
Cache (min, max) 256 MB Battery Back-up 512 MB, 2 GB Battery Back-up 512 MB, 2 GB Battery Back-up N/A 256 MB,512 MB N/A
RAID support 0,1, 5,10, 50 0, 1, 3, 5, 10 0,1, 3, 5,10 0, 1,5 (using server-based adapters) 0, 1, 3,5, 10 N/A
Capacity
(min,max)
114 GB,14.4 TB with 4 EXP3000
Expansion Units behind single MegaRAID
8480
144 GB,14.4 TB with 4 EXP3000
Expansion Units
144 GB,14.4 TB with 4 EXP3000
Expansion Units
32 GB,2 TB 250 GB,Dual controller supports 44.8 TB
with seven Expansion Units
Single controller supports 5.6TB
7204-573; 73 GB
7204-646; 146 GB
Drive interface 3-Gbps SAS,
3-Gbps SATA II
3-Gbps SAS 3-Gbps SAS Ultra 320 SCSI 2 GB FC-AL Ultra SCSI
Drive support 73 GB,146 GB, 300 GB 10,000 rpm disk
drives; 36 GB,73 GB,146 GB,300 GB
15,000 rpm disk drives; 500 GB,750 GB
SATA II
73 GB,146 GB,300 GB 10,000 rpm disk
drives; 36 GB,73 GB,146 GB,300 GB
15,000 rpm disk drives
73 GB,146 GB,300 GB 10,000 rpm disk
drives; 36 GB,73 GB,146 GB,300 GB
15,000 rpm disk drives
18.2 GB,36.4 GB,73.4 GB and 146.8 GB
10,000 rpm disk drives; 36.4 GB and
73.4 GB 15,000 rpm disk drives
250 GB,400 GB 7,200 rpm SATA disk
drives
Single Drive
7204-573; 73 GB
7204-646; 146 GB
Clustering
Support
N/A Microsoft Windows MSCS Microsoft Windows MSCS IBM HACMP™ Microsoft Clustering Services,IBM SAN
Volume Controller 2.1.0
N/A
* In Europe, Middle East and Africa (EMEA)—New DS300,DS400 and DS4100 are not available.