Apple Xsan User Manual download pdf (Page 66)

Repairing a Volume

If the cvfsck utility reveals problems with a volume, you can use the same command

to repair the volume.

To repair a volume:

1 Stop the volume.

Open Xsan Admin, select the volume, and click Stop Volume in the Action (gear) pop-

up menu.

2 Open Terminal (in /Applications/Utilities/).

If you aren’t working at the SAN controller computer, use SSH to log in to the controller

remotely:

$ ssh user@computer

Replace user with the name of an administrator user on the controller computer and

computer with the controller’s name or IP address.

3 Run the cvfsck command-line utility (in /Library/Filesystems/Xsan/bin/) to replay the

events that are recorded in the le system journal:

$ sudo cvfsck -j volume

4 Check the volume to see if additional repairs are required:

$ sudo cvfsck -vn volume

5 If the report generated in the previous step lists additional problems, enter the

following command to perform a full check and repair of the volume:

$ sudo cvfsck -vw volume

For more information about this command, see the cvfsck man page.

Destroying a Volume

You can destroy a volume so you can reuse its LUNs to create new volumes.

To destroy a volume:

In Xsan Admin, select Volumes in the SAN Assets list, select the volume in the list, m

and choose Destroy Volume from the Action (gear) pop-up menu.

66 Chapter 4 Managing SAN Storage

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Apple Xsan User Manual Page 66