Ibm Totalstorage Ds300 Disk Subsystem - IBM TotalStorage DS300 Best Practices Manual

Product DS300
Controller Single or dual active 1 GB iSCSI RAID
Controllers
RAID support 0, 1, 5, 10, 50
Capacity (max min 36 GB, max 4.2 TB
based on 300 GB 14 HDD max
Ultra320 HDDs)
Drive interface Ultra320 SCSI
Drive support 36 GB, 73 GB, 146 GB, 300 GB 10,000
RPM Disk Drives;
36 GB, 73 GB, 146 GB 15,000 RPM Disk
Drives
Logical drives 512 max per subsystem
Logical drives per 64 created using IBM ServeRAID
array (SRM) Manager console
Logical drives per 512 created using command line
a
array (CLI) interface
Max array size 2 terabytes
RAID 0, 1, or 5 14 drives max per array
RAID 10 or 50 14 drives max per array
SCSI buses 2 internal
LUNs 32 max per initiator
Certifications Microsoft Windows MSCS
a. With 512 logical drives in one array, no more arrays can be created because the maximum num-
ber of logical drives per subsystem is reached.

3.3 IBM TotalStorage DS300 disk subsystem

Leveraging standard Ethernet infrastructure via iSCSI and low cost SCSI drives,
the DS300 is designed to offer a simple, affordable Storage Area Network (SAN)
solution that can be used in direct attached or network-attached environments.
For even greater flexibility, the DS300 is designed to allow simultaneous support
of a range of operating systems for xSeries and BladeCenter servers—in either
single or dual-controller configurations.
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IBM TotalStorage DS300 and DS400 Best Practices Guide
DS400
Single or dual active 2 GB FC RAID
Controllers
0, 1, 5, 10, 50
min 36 GB, max 12 TB with 2 EXP400
Expansion Units
40 HDD max
Ultra320 SCSI
36 GB, 73 GB, 146 GB, 300 GB 10,000
RPM Disk Drives;
36 GB, 73 GB, 146 GB 15,000 RPM Disk
Drives
512 max per subsystem
64 created using IBM ServeRAID
Manager console
512 created using command line
interface
2 terabytes
16 drives max per array
40 drives max per array
2 internal, 2 external
32 max per initiator
Microsoft Windows MSCS