Filesystem commands in AIX
| lsfs | Lists all filesystems in the /etc/filesystems entry |
| lsfs -a | To list all filesystems (default) |
| lsfs -q | List all filesystems with detailed info (shows size of FS and LV in it. so we can check whether size of LV=size os FS) |
| lsfs -l | Specify the output in list format |
| lsfs -c | Specify the output in column format |
| lsfs -v jfs | Lists all jfs filesystems |
| chfs -a size=24576 /test | Change size of FS /test to 24576(blocks)x 512 bytes (12 MB) |
| chfs -a size=+24576 /test | Add 24576(blocks)x512 byte to FS /test |
| chfs -a size=+64M /test | Add 64 MB to /test |
| chfs -a size=10G /test | fix size of the FS /test to 10 GB |
| chfs -m /test /new | Change the mount point from /test to /new |
| chfs -A /test | To auto mount the filesystem test |
| chfs -d account /test | Remove account attribute of /test.(from /etc/filesystems file) |
| chfs -a splitcopy=/backup -a copy=2 /oracle | This will mount the 2nd copy of mirrored filesystem oracle to /backup in read-only mode for backup purpose |
| crfs -v jfs2 -g newvg -a size=100M -m /test | Creates FS /test of type jfs in VG newvg of size 100 MB with default LV. |
| crfs -v jfs -d /dev/lv00 -m /test | Create FS /test of type jfs on device /dev/lv00 |
| rmfs /test | Deletes FS /test and associated LV |
| rmfs -r /test | Deletes FS /test its mount point and associated LV |
| defragfs /test | To defragment the file system /test |
| defragfs -q /test | Display the current defrag status of the file system |
| fsck -y n /dev/lv00 | To check the filesystem associated to /dev/lv00 assuming response "yes" |
| fsck -p /dev/lv00 | To restore superblock from backup superblock |
