DMP settings for NetApp storage attached environment
To minimize the path restoration window and maximize high availability in the NetApp storage attached environment,change the default values for the DMP tunable parameters.
Table: DMP settings for NetApp storage attached environment describes the DMP tunable parameters and the new values.
Related information
Table: DMP settings for NetApp storage attached environment
| Parameter name | Definition | New value | Default value |
|---|---|---|---|
| dmp_restore_interval | DMP restore daemon cycle | 60 seconds. | 300 seconds. |
| dmp_path_age | DMP path aging tunable | 120 seconds. | 300 seconds. |
The change is persistent across reboots.
To change the tunable parameters
-
Issue the following commands:
\# vxdmpadm settune dmp_restore_interval=60\# vxdmpadm settune dmp_path_age=120 -
To verify the new settings, use the following commands:
\# vxdmpadm gettune dmp_restore_interval\# vxdmpadm gettune dmp_path_age