HP StorageWorks 2000 Series Reference Manual page 164

To view information about all volumes in the system:
Select Monitor > Status > Advanced Settings > Volume Information.
The Volume Information panel shows the following information.
Pref Owner – Preferred owner; the controller that owns the virtual disk during
normal operation (Shown in dual-controller mode)
Curr Owner – Current owner; either the preferred owner during normal operation
or the partner controller when the preferred owner is offline (Shown in dual-
controller mode)
Node WWN – Owning controller's node World Wide Name
LUN – Default value, which may be overridden by explicit mappings
Vdisk Name – Name of the virtual disk that the volume is part of
Vol Num – Volume number in the virtual disk
Volume Name – Name assigned to the volume
Volume Size – Volume size in Gbyte
Read-Ahead Cache Size – Specifies the read-ahead cache size setting: Default,
Disabled, a specific size in Kbyte or Mbyte, or Maximum
Write-Back Cache Enable – Specifies whether write-back cache is enabled or
disabled
To change the virtual disk owner, see "Changing Virtual Disk Ownership" on
page 78. To change the virtual disk name, see "Changing a Virtual Disk Name" on
page 79.
To change volume information, see "Managing Volumes" on page 84.
To change the read-ahead cache size, see "Changing a Volume's Read-Ahead Cache
Settings" on page 89. To change the write-back cache setting, see "Changing a
Volume's Write-Back Cache Setting" on page 91.