Compaq DIGITAL Server Cluster Kits for Windows NT manual RAID Options, RA450 Options

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drives, expansion SCSI cable

RAID Options

The following sections describe RAID Array options.

RA450 Options

You can order the following options for the RA450:

Part Number	Description
FR-HSZ50-AF	RA450/HSZ50 controller for redundant controller operation
	Includes: RA450 6 channel controller, tri-link with terminator, 32MB write back
	cache expandable to 64MB or 128MB, single cache battery in SBB with cable,
	serial line cable assembly with adapters (9 pin and 25 pin)
	Requires: Second Platform Software Kit (QB-5JCAA-SA), cache counts must be
	the same on each storage controller
FR-HSSIM-AA	32MB cache module for RA450/HSZ50 controller
	Use 1 module to expand cache to 64MB or 3 modules to expand to 128MB per
	controller
	Requires: Redundant controllers require equal amounts of cache.
FR-SWXBP-SD	Shelf power supply for RA450
	Up to 8 150W universal supplies in a RA450 pedestal or rackmount. N+1
	redundancy requires 5 supplies, which ship standard with the product. May add up
	to 3 additional supplies for redundancy
FR-HS35X-BA	Single cache battery
	Includes: One battery in an SBB
FR-HS35X-BB	Dual cache battery
FR-SWXBF-AA	Dual speed fan kit, included in RA450 pedestal and rack (not required – used only
	as cold spare)
FR-SWXBE-AA	Environmental Monitor Unit for RA450, included in RA450 pedestal and rack
	(not required – used only as cold spare)

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DIGITAL Server Cluster Kits for Windows NT Configuration Guide