62
Using the Snapshot Feature
•
Map the snapshot virtual disk and make it accessible to any host on a
storage area network. You can make snapshot data available to secondary
hosts for read and write access by mapping the snapshot to the hosts.
•
Create up to four snapshots per virtual disk.
NOTE:
The maximum number of snapshot virtual disks is one-half of the total
number of virtual disks supported by the RAID controller module.
•
Increase the capacity of a snapshot virtual disk.
Table 4-1 lists the components that comprise a snapshot virtual disk and
briefly describes what they do.
Table 4-1 lists the snapshot virtual disk commands and brief descriptions of
what the commands do.
Component
Description
Source virtual disk
Standard virtual disk from which the snapshot is
created
Snapshot virtual disk
Point-in-time image of a standard virtual disk
Snapshot repository virtual disk
Virtual disk that contains snapshot metadata and
copy-on-write data for a particular snapshot
virtual disk
Table 4-1.
Snapshot Virtual Disk Commands
Command
Description
create snapshotVirtualDisk Creates a snapshot virtual disk.
re-create snapshot
Starts a fresh copy-on-write operation by using an
existing snapshot virtual disk.
set (snapshotVirtualDisk) Defines the properties for a snapshot virtual disk and
enables you to rename a snapshot virtual disk.
stop snapshot
Stops a copy-on-write operation.
Summary of Contents for PowerVault MD3000i
Page 12: ...12 Contents ...
Page 42: ...42 About the Script Commands ...
Page 90: ...90 Using the Virtual Disk Copy Feature ...
Page 104: ...104 Maintaining a Storage Array ...
Page 222: ...222 Script Commands ...
Page 228: ...228 Sample Script Files ...
Page 236: ...236 Index ...