
Chapter 6 Managing Metadata Controllers 89
Finding Out Which Controller Is Hosting a Volume
Control of a volume can move from one metadata controller to another as a result of
controller failover. You can use Xsan Admin to nd out which controller is hosting a
volume.
The controller that
is currently hosting
the volume
To view a volume’s controller:
In Xsan Admin, select Volumes in the SAN Assets list and look in the Hosted By column. m
From the Command Line
You can also nd out which controller is hosting a volume by using the cvadmin
command in Terminal. Open Terminal on the controller and enter:
$ sudo cvadmin -e select
For more information, see the cvadmin man page or “Viewing or Changing Volume and
Storage Pool Settings (cvadmin)” on page 111 .
Listing the Volumes Hosted by a Controller
You can use Xsan Admin or the cvadmin command to nd out which SAN volumes are
being hosted by a metadata controller.
To list hosted volumes:
In Xsan Admin, select Volumes in the SAN Assets list, and click the title of the Hosted m
By column to sort by controller.
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