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Finding out which controller is hosting a volume, Listing the volumes hosted by a controller – Apple Xsan 2 (Third Edition) User Manual

Page 89

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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 find 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 find 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 find 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.