Appendix B: Hardware Specifications
Configuration
B-1
Appendix B
Hardware Specifications
B.1. Configuration
Specification
Feature
RAID Levels
0, 1(0+1), 3, 5, 10, 30, 50, JBOD, and non-RAID disk
spanning
Host O/S Compatibility
Host O/S independent
SCSI Channels
4 on base module
8 (with the expansion daughterboard)
Host Interface
SCSI-320
Host Channels
All channels can be configured as host or drive channels
Drive Interface
SCSI-320
Drive Channels
Up to 3; up to 7 with the expansion daughter board
Maximum Number of SCSI
Drives
Up to 105 (on 7 drive channels)
Cache Memory Size
At least 128MB, supports up to 1GB; PC-133 SDRAM
DIMM socket x1 with ECC support
Cache Mode
Write-through or write-back
Logical Drives
Up to 8
Partitions
Up to 8 per logical drive or logical volume, 64 total
Number of LUNs
Up to 32 per SCSI ID, 128 per controller
Multiple SCSI IDs per Host
Channel
Yes
Firmware on Flash Memory
Yes; main RAIDWatch agents included
Drive Hot Swapping
Yes
Table B-1: Controller Configuration
