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Step 5 Order any optional storage options.
The following table lists storage options.
Storage Options
Feature BA356 RA450 RA7000 RA3000
Ultra SCSI-
Wide
Differential
JBOD
6 Fast Narrow
Single Ended,
SCSI-2
Ultra SCSI Wide
Single Ended, 6
channels
Fast Narrow Single
Ended, SCSI-2
Hard disk size
2, 4, 9GB 2, 4, 9GB 2, 4, 9GB 2, 4, 9GB
Hot swappable disks
Yes Yes Yes Yes
Disk mirroring in a
clustered environment
No Yes Yes
SBB Slots
7 up to 13 24 for disk drives
and cache batteries
in hot-swap
carriers
24 up to 72 with 2
expansion cabinets
7 up to 14
Expansion cabinet
Yes No Up to 2 Yes
RAID controller
None HSZ50 HSZ70 HSZ22
RAID Level
(0, 1, 0+1, and adaptive
3/5)
N/A Yes Yes 0, 1, 0+1, 4, 5
Redundant controller
N/A Optional Optional Optional
Controller auto failover
N/A Yes Yes
Cache (read/write back)
N/A 32MB up to 64MB
and 128 MB
64MB up to 128
MB
16MB
Cache battery
N/A Single/controller Single/controller
Hot swappable cooling
fan
No Yes (up to 8) Yes (up to 8)
Power supply
One 180
watt, can
order second
Five can order up
to eight 150 watt
Five can order up
to eight 180 watt
RA450 Options
QTY Part Number Description
FR-HSZ50-AF RA450/HSZ50 controller for redundant controller operation in
RA450 Cluster Kit
Requires: QB-5JCAA-SA.
FR-HSSIM-AA 32MB cache module for RA450/HSZ50 controller