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84 SANRAD V-Switch User Manual
Introduction to Volume Configuration
This chapter describes how to identify the SAN storage devices and use
them to create subdisks and virtual volumes. Each description includes:
A general description and generic diagram.
The basic command, switches and parameters needed to execute
the command.
An example of how to use the command with an accompanying
diagram.
The specific examples used in this chapter contain two JBODs; each JBOD
having four disks, each with a volume of 18 GB. See the example in
Figure 35.
The Volume Manager names all disks automatically during the auto-
discovery process. For FC, this name includes FC disk’s World Wide Unique
Identifier (WWUI) serial number. For SCSI, this name includes the SCSI disk
port number and SCSI bus ID. This name is important in identifying disks
for re-creating volume hierarchies on both V-Switches in a cluster.
10070
JBOD 1 JBOD 2
Disk 1 Disk 2
Disk 3 Disk 4
Disk 5 Disk 6
Disk 7 Disk 8
Figure 35. Physical Storage used in Examples
If you are working in a V-Switch cluster, you need to configure all subdisks
and volumes on both V-Switches in the V-Switch cluster. For more
information on V-Switch clusters, see “Introduction to V-Switch Clusters,”
page 72.