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retainCount=numberOfSnapImages | ignoreSnapVirtualDisk=(TRUE | FALSE) |
snapImageID=OLDEST)
Creating A Consistency Group Snapshot Virtual Disk
Creating a snapshot virtual disk of a consistency group creates a viewable virtual disk of specific images in
the consistency group. A consistency group snapshot virtual disk can be made up of a single base virtual
disk or multiple base virtual disks from the consistency group.
This command also allows you to set the following attributes for the snapshot virtual disk:
• read-only
• repository full value
• automatic repository selection
Unique command syntax and naming rules apply. The name of a snapshot image has two parts separated
by a colon (:):
• identifier of the snapshot group
• identifier of the snapshot image
If you do not specify the repositoryVirtualDiskType or readOnly parameters, the repositories for
the consistency group snapshot virtual disk will be selected automatically. If the disk group or disk pool
where the base virtual disk resides does not have enough space, the command will fail.
Create a read/write consistency group snapshot virtual disk on a snapshot consistency group named
snapCG1 with these three members cgm1, cgm2, and cgm3. The repository virtual disks already exist and
are selected in this command.
create cgSnapVirtualDisk userLabel="cgSnapVirtualDisk1"
cgSnapImageID="snapCG1:oldest" members=(cgm1:repos_0010 cgm2:repos_0011
cgm3:repos_0007);
Note the colon (:) in the name of the snapshot image to be included in the consistency group snapshot
virtual disk. The colon is a delimiter that separates the name of the snapshot virtual disk from a particular
snapshot image that you might want to use. Any of the following three options can be used following the
colon:
• An integer value that is the actual sequence number of the snapshot image.
• NEWEST specifies the latest consistency group snapshot image.
• OLDEST specifies the earliest snapshot image created.
The use of the colon following the names of the members of the snapshot consistency group define the
mapping between the member and a repository virtual disk. For example:
cgm1:repos_10, member cgm1 maps to repository virtual disk repos_0010
Create a read-only consistency group snapshot virtual disk on a snapshot consistency group named
snapCG1 with members cgm1, cgm2, and cgm3 using the following command:
create cgSnapVirtualDisk userLabel="cgSnapVirtualDisk3"
cgSnapImageID="snapCG1:oldest" readOnly;
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