On Sun, 2008-08-17 at 15:50 -0700, Mag Gam wrote: > My departments Lustre's lfs df -i looks like this > > UUID Inodes IUsed IFree IUse% Mounted on > xfs001-MDT0000_UUID 82565322 19073586 63491736 23% > /xfs/engine1/xfs001[MDT:0] > xfs001-OST0000_UUID 41943040 5076445 36866595 12% > /xfs/engine1/xfs001[OST:0] > xfs001-OST0001_UUID 41943040 3735715 38207325 8% > /xfs/engine1/xfs001[OST:1] > xfs001-OST0002_UUID 41943040 4784447 37158593 11% > /xfs/engine1/xfs001[OST:2] > xfs001-OST0003_UUID 41943040 4556627 37386413 10% > /xfs/engine1/xfs001[OST:3] > > filesystem summary: 82565322 19073586 63491736 23% /xfs/engine1/xfs001 > > > Is it safe to say, " > My MDT has "19073586" 19 million inodes free? or should I consider. > > However, when I check my inode count on my mds using tune2fs it reports this. > Inode count: 524288000 > Free inodes: 505214414 > > Am I missing something?
Yes. lfs df does not simply report the free inodes on the MDT. It's more complicated than that. This has been discussed either here or in a bugzilla bug (don't recall which). I don't recall the bug or when the lustre-discussion was, offhand, but a search should not be terribly difficult to find the answer. b.
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