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Monitoring ZFS filesystems
PATROL KM for UNIX enables you to monitor ZFS filesystems on Oracle Solaris platform. A ZFS filesystem is created on the top of existing storage pools (ZPOOLs). You can also create multiple ZFS filesystems on the top of one ZPOOL. These filesystems share that ZPOOL. Therefore, each ZFS filesystem can grow dynamically to the maximum size of the ZPOOL.
You can monitor the statistics of a ZFS filesystem by using the parameters in the following table:
ZFS filesystem parameters
For a global zone, the ZFS filesystem instances appear under the FILESYSTEM container of the ZPOOL instance on which the ZFS filesystem is created. These instances contain the following ZFS filesystem parameters:
- ZFSProperties
- ZFSReservationUsedPerc
- ZFSSnapshots
- ZFSSpaceUsedbyDataset
- ZFSSpaceUsedBySnapshots
For the hierarchy of the ZFS filesystems for global zones, see FILESYSTEM-hierarchy.
For a non-global zone, the ZFS root filesystem and the ZFS filesystem instances that are added using the add fs sub-command of the zonecfg command appear under the FILESYSTEM container of the STORAGE container. For such filesystems, only the ZFSSpaceUsedbyDataset parameter is available. Also, for such ZFS filesystems, the following parameters are not available:
- FSUsedSpace
- FSUsedSpaceMB
Following figure shows the basic hierarchy of the ZFS filesystems that are added using the add fs subcommand. However, this hierarchy does not necessarily display all instances and parameters.
Object hierarchy of ZFS filesystems added using the add fs subcommand for non-global zones 
For a non-global zone, ZFS filesystem instances that are added using the add dataset subcommand of the of the zonecfg command appear under the ZPOOL instance on which the ZFS filesystem is created. For the hierarchy of such instances, see ZPOOL-Hierarchy. For remote hosts that support ZFS filesystems, ZFS filesystem instances appear under the STORAGE container irrespective of the global zone and non-global zone.