Adaptec 5325302053 User Guide - Page 74
Mounting a Target Based Snapshot, Performing Roll back of a Mirror Snapshot, Roll back Snapshot set
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Mounting a Target Based Snapshot You can mount a TBS onto any provisioned system. Complete these steps to mount a target based snapshot onto a provisioned system. Note Refresh the ASM once before trying to mount the TBS, to ensure that it selects the latest available drive letter. 1 Select the Snapshot from the Enterprise View, right-click the snapshot and choose an option to mount. Note Only snapshots with correct file system can be mounted. 2 Select the drive letter and CHAP information. 3 Go to My Computer and check if the TBS is successfully mounted and has all the data of the parent volume. Performing Roll back of a Mirror Snapshot You cannot perform a snapshot rollback of a mirrored volume. To rollback the user will need to perform the following steps: 1 Break the mirrored volume into basic non-mirrored volumes. 2 Logout any initiator connections to the volume. 3 Issue rollback from the CLI and wait for rollback to complete. 4 Once rollback is complete, login to the volume. 5 Recreate the mirror with full resynchronization. If a full resynchronization is required during a mirror failover, existing snapshots on the slave plex that is being resynchronized will be deleted. Performing Roll back of a Target Based Snapshot Rollback operation copies the data from the snapshot volume to the original volume. So if changes were made to the original volume, all such changes will be lost and data at the time of snapshot taken will be replicated to the original volume. 1 After taking the snapshot, login to the original volume and modify the data,. Log out both parent and snapshot volume from all initiators. 2 Select the Snapshot from the enterprise view and right-click on target based snapshot and select Roll back Snapshot set. 3 3 To verify if the progress of the roll back, select the target in the Enterprise view and check the roll back status. 4 Once the rollback is complete, login to the parent volume and verify if the rollback is completed successfully.
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