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The SHOWCLASS command displays information about a volume class. Included in this information is a list of volumes that are members of the volume class and the amount of storage (permanent and transient) available in that volume class. The volume set containing the class must be mounted and online in order to obtain information about the class. Task | |
Displays volume class information. Capability | |
No special capability required. Syntax | |
SHOWCLASS [CNAME=][sname:]cname
[ [INFO=]{DSTATUS
VOLUMES
CLASSINFO
STORAGE [;FREE][;PERM][;TRANS]
LABEL}]
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Parameters | |
- sname
The volume set containing the volume class information to be displayed. The master volume of this set must be mounted in the MASTER state. If omitted, the current default volume set is assumed. Optional. - cname
The volume class whose information is requested. Required. - VOLUMES
Displays the volume name and volume index for each volume assigned to the class. Volume names preceded by an asterisk (*) have been defined only and not initialized. Refer to the NEWVOL and INITVOL commands in this chapter. Optional. - CLASSINFO
Displays the volume class index and current number of volumes assigned to the class. This is the default if the INFO keyword parameter is omitted. Optional. - DSTATUS
Like the DSTAT command. Displays the volume name, ldev, device type, physical path for each volume used by the class, and the mount state. Optional. - STORAGE
Displays information about disk storage for the specified volume class. The FREE, PERM, and TRANS options, respectively, show the available free space and the permanent and transient space allocations. All measurements are in sectors. The default options are FREE, PERM, and TRANS. Optional. - LABEL
Displays the contents of the volume label for each volume of the class. Optional.
Example | |
The example on the following page shows how to display class information using the SHOWCLASS command with different parameters.
volutil: SHOWCLASS CNAME=BSET:XL_DATA
Volume class index: 1
Number of volumes in class: 2
volutil: SHOWCLASS BSET:XL_DATA INFO=VOLUMES
Volume name: Index:
----------- -----
BVOL1 1
*BVOL3 3
volutil: SHOWCLASS BSET:XL_DATA INFO=CLASSINFO
Volume class index: 1
Number of volumes in class: 2
volutil: SHOWCLASS BSET:XL_DATA INFO=DSTATUS
Volume name: State: Ldev: Type: Path:
----------- ----- ---- ---- ----
BVOL1 MASTER 21 079330 8.0.4
BVOL3 (VOLUME NOT AVAILABLE)
volutil: SHOWCLASS BSET:XL_DATA INFO=STORAGE
Volume name: Free: Permanent: Transient: Device size
----------- ---- --------- --------- ---------
BVOL1 1178176 401728 0 15799
Total: 1178176 401728 0 15799
volutil: SHOWCLASS CNAME=BSET:XL_DATA INFO=LABELS
Volume name: BSET:BVOL1
Initialization date: THU, OCT 15, 1987, 4:48 PM Volume type: 2
Member number: 1 Number in set: 3
Label Table Address: $00000500 MVT Address: $00000000 Free Space
Map Address: $00000070 Cold Load ID: $00000000 Logical Volume ID:
$05570001 4810C1F7 Physical Volume ID: $05570001
Volume name: BSET:BVOL3 *Warning: Volume not available.
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