Red Hat GFS 5.2.1 -, Administrator'S Manual, Page: 51 / 192

Chapter 5. Using the Pool Volume Manager 37
5.13.2. Examples
This example displays statistics for all activated pools:
pool_info -s
This example displays statistics for
pool0
:
pool_info -s pool0
This example clears statistics for
pool0
:
pool_info -c pool0
5.14. Adjusting Pool Volume Multipathing
The
pool_mp
command adjusts multipathing for running pools. Using the
pool_mp
command with
the
-m
option, you can change the type of multipathing. Using the
pool_mp
command with the
-r
option, you can reintegrate failed paths.
Note
Pool multipathing must be enabled in the license file to use this feature.
5.14.1. Usage
Change the Type of Multipathing
pool_mp -m {none | failover | n } [ PoolName ]
{none | failover |
n
}
Specifies the type of multipathing to be used: either none , failover , or the number of kilo-
bytes,
n
, used as a round-robin stripe value.
PoolName
Specifies the pool on which to adjust multipathing. If no pool names are specified, this action is
attempted on all active pools.
Reintegrate Failed Paths
pool_mp -r [ PoolName ]
PoolName
Specifies the pool on which to attempt restoration of any failed paths. If no pool names are
specified, this action is attempted on all active pools.