Querying file system fragmentation
To query the status of the amount of fragmentation for a file system, specify the file system name along with the -i option on the mmdefragfs command.
For example, to display the current fragmentation information for file system
fs0, enter:
mmdefragfs fs0 -i
The system displays
information similar to: "fs0" 10304 inodes: 457 allocated / 9847 free
free subblk free
disk disk size in full subblk in % %
name in nSubblk blocks fragments free blk blk util
--------------- --------- --------- --------- -------- -------
gpfs68nsd 4390912 4270112 551 97.249 99.544
gpfs69nsd 4390912 4271360 490 97.277 99.590
--------- --------- --------- -------
(total) 8781824 8541472 1041 99.567
For complete usage information, see mmdefragfs command.