Compaq DIGITAL Server Cluster Kits for Windows NT Storage Options, BA356, RA450, RA7000, RA3000

Step 5 Order any optional storage options.

The following table lists storage options.

Storage Options

Feature		BA356		RA450	RA7000	RA3000
		Ultra SCSI-		6 Fast Narrow	Ultra SCSI Wide	Fast Narrow Single
		Wide		Single Ended,	Single Ended, 6	Ended, SCSI-2
		Differential		SCSI-2	channels
		JBOD
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		No		Yes	Yes
clustered environment
SBB Slots		7 up to 13		24 for disk drives	24 up to 72 with 2	7 up to 14
				and cache batteries	expansion cabinets
				in hot-swap
				carriers
Expansion cabinet		Yes		No	Up to 2	Yes
RAID controller		None		HSZ50	HSZ70	HSZ22
RAID Level		N/A		Yes	Yes	0, 1, 0+1, 4, 5
(0, 1, 0+1, and adaptive
3/5)
Redundant controller		N/A		Optional	Optional	Optional
Controller auto failover		N/A		Yes	Yes
Cache (read/write back)		N/A		32MB up to 64MB	64MB up to 128	16MB
				and 128 MB	MB
Cache battery		N/A		Single/controller	Single/controller
Hot swappable cooling		No		Yes (up to 8)	Yes (up to 8)
fan
Power supply		One 180		Five can order up	Five can order up
		watt, can		to eight 150 watt	to eight 180 watt
		order second
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