Reclaiming space on a file system
Table: fsadm options for administering thin reclamation lists the fsadm command options that administer thin reclamation.
Table: fsadm options for administering thin reclamation
|
Option
|
Description |
|
-o aggressive | -A
|
Initiates Thin Storage aggressive reclamation. Aggressive reclamation is not supported on SSD devices. |
|
-o analyse|analyze
|
Initiates the analyze reclaim option. |
|
-o auto
|
Initiates the auto reclaim option. |
|
-o ssd
|
Initiates the TRIM command on an underlying SSD trim-capable device. |
|
-o thin
|
Initiates thin reclamation on the underlying Thin Reclaim-capable device. |
|
-P
|
Performs multi-threaded Thin Storage reclamation. By default, the fsadm command performs single-threaded Thin Storage reclamation. To use multi-threaded Thin Storage Reclamation, the array must support multiple concurrent reclaim operations. |
|
-R
|
Performs reclamation of free storage to the Thin
Storage LUN on a VxFS file system
. |
See the fsadm_vxfs(1M) manual page.
To perform aggressive space reclamation
- Ensure you mounted the VxFS file system.
See the mount(1M) manual page.
If you must mount the VxFS file system, see the mount_vxfs(1M) manual page.
- Perform aggressive reclamation of free storage to the Thin Storage LUN on the VxFS file system that is mounted at
/mnt1:# /opt/VRTS/bin/fsadm -R -o aggressive /mnt1
To perform space reclamation
- Ensure you mounted the VxFS file system.
See the mount(1M) manual page.
If you must mount the VxFS file system, see the mount_vxfs(1M) manual page.
- Perform space reclamation on the VxFS file system that is mounted at
/mnt1:# /opt/VRTS/bin/fsadm -R /mnt1
