Compaq DIGITAL Server Cluster Kits for Windows NT Configuration Manual page 58

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