Red Hat Knowledgebase

One of the commands that comes with the GFS RPM is pool_info. Using the command, it is possible to monitor the GFS pool read-write information.

The command listed below will print the number of reads and writes to the currently active pool(s) since the last time it was activated or the statistics were cleared.

pool_info -s

To clearly monitor the number of pool reads and writes, along with the number of blocks read and writes, the option -t can be used. This option is used together with -s option to display statistics in a defined time interval (seconds).

pool_info -s -t 10

Use the command below to clear the pool(s) statistics:

pool_info -c