Setting The Pva Module Id Switch; Scsi Target Id Numbers On The Controller Device Bus And Pva Settings In An Extended Subsystem - Compaq StorageWorks HSZ80 Configuration And Cli Reference Manual

Array controller acs version 8.3
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Setting the PVA Module ID Switch

The Power, Verification, and Addressing (PVA) module provides unique addresses to
extended subsystems. Each BA370 rack-mountable enclosure in an extended
subsystem must have its own PVA ID. Use PVA ID 0 for the enclosure that contains
the controllers. Use PVA IDs 2 and 3 for the additional enclosures. Figure 2–4
illustrates the PVA settings in an extended subsystem.
See the documentation that accompanied your enclosure for more details about the
PVA and its settings.
First Expansion
Enclosure
SCSI Target ID = 11
SCSI Target ID = 10
SCSI Target ID = 9
SCSI Target ID = 8
EMU
PVA 2
NOTE: SCSI target IDs 4 and 5 are reserved. IDs 6 and 7 are used by the controllers.
Figure 2–4. SCSI Target ID Numbers on the Controller Device Bus and PVA Settings in an
Master
Enclosure
SCSI Target ID = 3
SCSI Target ID = 2
SCSI Target ID = 1
SCSI Target ID = 0
EMU
Controller A
Controller B
Cache A
Extended Subsystem
Compaq HSZ80 Array Controller ACS Version 8.3 Configuration and CLI Reference Guide
Second Expansion
SCSI Target ID = 15
SCSI Target ID = 14
SCSI Target ID = 13
SCSI Target ID = 12
PVA 0
Cache B
2–25
Enclosure
EMU
PVA 3
CXO5806B

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