Managing IO Thresholds

Last published : Jun 19, 2026
You can use the Management Server Console to set maximum IOPS at an application level. When you set this I/O threshold, Veritas Volume Manager (VxVM) internally sets up an application volume group (App VG) of all volumes of that application. VxVM enforces the threshold on the combined IOPS served by the volumes in the App VG.
You can later modify or clear the threshold. If you clear the threshold the App VG is automatically deleted. The volumes are not deleted.
In clustered environments, the IOPS threshold for an App VG is propagated to all nodes in the cluster. The threshold applies independently to each node.
To perform this task, your user group must be assigned the Admin role on the host or the Server perspective. The permission on the host may be explicitly assigned or inherited from a parent Organization.
To manage the IO threshold for an application
  1. In the Management Server console, go to the Server perspective and expandManage in the left pane.
  2. Expand Applications, and expand** Databases** to locate and right-click the database.
  3. Click Manage IO Thresholds.
  4. In the Manage IO Thresholds panel, specify a Maximum IOPS value, and clickOK.
See About managing application I/O workloads with IOPS settings.
See Setting IO Thresholds.
See Viewing live IOPS charts.
For command line options and for more information on determining the maximum IOPS value, see the Storage Foundation Administrator's Guide.