RA8000 and ESA12000 Storage Subsystems
1–32
387404-001
EK–SMCPR–UG. A01
1.11 Setting the PVA SCSI Address
The SCSI bus address switch on the front of the PVA module (see Figure 1-20) controls
the SCSI address (device ID) of each storage device in the enclosure. The following
configuration rules (restrictions) apply in establishing the PVA SCSI bus address:
1) The master PVA address is always 0.
There is only one master PVA in any subsystem installation.
2) The first expansion cabinet (if used) address is 2.
The second expansion cabinet (if used) address is 3.
In an expansion subsystem, no two enclosures can have the same address.
3) Compaq does not support any PVA address that assigns SCSI bus device addresses 6
or 7 to any storage device.
4) Compaq does not support any combination of PVA addresses that assign the same
SCSI bus device address to more than one device on any SCSI bus.
Figure 1–20 PVA SCSI Address Switch
3
Decrease
Switch
Increase
Switch
SHR-1157
To decrease the configuration number:
Press the upper switch to step the address down one address at a time (decrement) until
the preferred configuration number is displayed.
To increase the configuration number:
Press the lower switch to step the address up one address at a time (increment) until the
preferred configuration number is displayed.
