Finding out which controller is hosting a volume, Listing the volumes hosted by a controller – Apple Xsan 2 (Third Edition) User Manual
Page 89

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.