Dell PowerVault MD3000 - Manual (Page 76)

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Using the Snapshot Feature
3 Remove the drive letter(s) of the source and (if mounted) snapshot virtual
disk in Windows or unmount the virtual drive(s) in Linux to help
guarantee a stable copy of the drive for the Snapshot. If this is not done,
the snapshot operation will report that it has completed successfully, but
the snapshot data will not be updated properly.
4 Follow any additional instructions for your operating system. Failure to
follow these additional instructions can create unusable snapshot virtual
disks.
NOTE:
If your operating system requires additional instructions, you can find
those instructions in your operating system documentation.
After your server has been prepared, see "Re-creating the Snapshot Virtual
Disk" on page 75 to re-create the snapshot virtual disk.
Re-creating a Snapshot Virtual Disk
After first preparing the host server(s) as specified in the preceding procedure,
use the following examples to re-create a virtual disk snapshot.
Refer to steps 1 through 4 in the preceding section, "Preparing Host Servers to
Re-create a Snapshot Virtual Disk" on page 75. The following example shows
the command to restart a snapshot virtual disk:
client>smcli 123.45.67.89 -c "recreate snapshot
virtualDisks [\"Mars_Spirit_4-2\" \"Mars_Spirit_4-
3\"];"
Refer to steps 1 through 4 in the preceding section, "Preparing Host Servers to
Re-create a Snapshot Virtual Disk" on page 75. The following example is the
script file version of the command:
recreate snapshot virtualDisks ["Mars_Spirit_4-2"
"Mars_Spirit_4-3"];
If you do not intend to use a snapshot virtual disk again, you can delete the
snapshot virtual disk using the delete virtualDisk command. When you
delete a snapshot virtual disk, the associated snapshot repository virtual disk
is also deleted.