HSG80 ACS Solution Software Version 8.7 for Compaq Tru64 UNIX Installation and Configuration Guide

Table Of Contents
Planning Storage Configurations
2–6 HSG80 ACS Solution Software Version 8.7 for Compaq Tru64 UNIX Installation and
Configuration Guide
The controller operates with BA370 enclosures that are assigned ID numbers 0, 2, and
3. These ID numbers are set through the PVA module. Enclosure ID number 1, which
assigns devices to targets 4 through 7, is not supported. Figure 2–3 shows how data is
laid out on disks in an extended configuration.
Figure 2–3: How data is laid out on disks in BA370 enclosure configuration
Virtual disk
Block 0
Block 1
Block 2
Block 3
Block 4
Block 5
etc.
Disk 1
Block 0
Block 3
etc.
Disk 2
Block 1
Block 4
etc.
Disk 3
Block 2
Block 5
etc.
Operating
system
view
Actual
device
mappings
Stripeset
CXO4592B