RA7000 and ESA10000 Storage Subsystems
1–32
EK–SMCPP–UG. A01
1.11.2 DIGITAL Supported Expansion PVA Addresses
DIGITAL only supports PVA addresses 2 and 3 for expansion enclosures. Figure
1-20 defines the SBB device IDs for these two settings of the PVA SCSI bus
address switch, respectively. The use of these addresses in combination depends
on the number of enclosures and possible addressing conflicts.
CAUTION
DIGITAL does not support any PVA address
combination not listed in Table 1-4.
Table 1–4 Expansion Enclosure Address Combinations
Enclosure
PVA Address Switch
Setting for Two BA370
Rack Mountable units
PVA Address Switch
Setting for Three BA370
Rack Mountable units
Master
0
0
First
Expansion Unit
2
2
Second
Expansion Unit
N/A
3
1.11.3 Non-Supported PVA SCSI Bus Addresses
DIGITAL does not support the following PVA SCSI bus addresses:
•
Address 1
This PVA address assigns controller SCSI bus device addresses 6 and
7 to storage devices.
•
Address 4
This PVA address assigns addresses already assigned to the master
enclosure.
•
Address 5
This PVA address assigns controller SCSI bus device addresses 6 and
7 to storage devices.
•
Address 7
This PVA address assigns addresses already assigned to the master
enclosure.
