[lustre-discuss] ZFS inode accounting
Hans Henrik Happe
happe at nbi.ku.dk
Fri Jan 29 08:52:26 PST 2016
Hi,
I've been testing 2.7.64 on ZFS and discovered that inode accounting
showed very high counts:
lfs quota -g others /lustre/hpc
Disk quotas for group others (gid 8000):
Filesystem kbytes quota limit grace files quota limit
grace
/lustre/hpc 41 1073741824 1073741824 -
18446744073709536075 0 0 -
That looks like a 64-bit uint counter that are going below zero. It
keeps counting down when I run mdtest with 2 or more processes. With one
process it's the same before and after. Guess it must be a race.
The syslog on MDT shows this message:
LustreError: 8563:0:(osd_object.c:1485:osd_object_create()) hpc-MDT0000:
failed to add [0x200001b73:0x1cae8:0x0] to accounting ZAP for grp 8000 (-2)
After reading LU-2435 and LU-5638 I guess there are still some issues
that needs to be sorted out?
Is there a way to make Lustre recheck the quota?
Cheers,
Hans Henrik
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