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Compaq HSZ80 Array Controller ACS Version 8.3 Configuration and CLI Reference Guide
Summary of HSZ80 Features
Table 1–2 summarizes the features of the controller:
Table 1–2 Summary of Controller Features
Feature Supported
Topology Dual host port Ultra SCSI
Host protocol SCSI-2, Limited SCSI-3
Host bus interconnect Wide Ultra SCSI, Differential
Number of host ports 2 on Wide Ultra SCSI, Differential
Device protocol SCSI-2
Device bus interconnect Wide Ultra SCSI, Single-ended
Number of SCSI device ports (or I/O modules) 6 Wide Ultra SCSI, Single-ended
Number of SCSI device targets per port 12
Maximum number of SCSI target devices 72 Ultra SCSI disks
RAID levels supported 0, 1, 0+1, 3/5
Cache module memory sizes supported 64 MB, 128 MB, 256 MB, 512 MB
Maximum cache module size 512 MB
PCMCIA program card software upgrades Yes
Device warm swap Yes
Exercisers available for testing disks Yes
Maximum number of RAID-5 storagesets 20
Maximum number of RAID-5 and RAID-1 storagesets 30
Maximum number of RAID-5, RAID-1, and RAID-0
storagesets
45
Maximum number of units presented to the host 128
Maximum number of partitions per storageset 8
Maximum members per mirrorset 6
Maximum number of members per RAID-5 storageset 14