Hi.
I've upgraded nilfs-utils (running Gentoo) on 29 july. Today I ran out
of space on my / and found that nilfs_cleanerd isn't working. When I
start it from the command line it exits instantly. Also, all previous
checkpoints on / (also on two other mountpoints on different machine)
are gone.
What I did? Downgraded nilfs-utils to 2.1.1, remounted mountpoints. On
the second machine it's runnig fine (cleaned _all_ checkpoints), on the
first one with disk space issue it exits just like 2.1.3.
Here are some fs details. Machine with disk space issues, rootfs:
CNO DATE TIME MODE FLG NBLKINC ICNT
147688 2012-07-09 08:38:14 cp - 11075 242915
147689 2012-07-09 08:38:14 cp - 60 242895
(…)
148999 2012-07-09 09:13:46 cp - 60 242888
149000 2012-07-09 09:19:45 cp - 44 242888
Filesystem Size Used Avail Use% Mounted on
rootfs 24G 13G 11G 56% /
mount shows:
/dev/sda2 on / type nilfs2 (rw,noatime,nodiratime,gcpid=15356)
There's no nilfs_cleanerd with pid 15356.
Second machine rootfs:
CNO DATE TIME MODE FLG NBLKINC ICNT
92246 2012-07-09 08:16:58 cp - 118 44669
(…)
92439 2012-07-09 09:19:14 cp - 29 44668
92440 2012-07-09 09:19:46 cp - 33 44668
Filesystem Size Used Avail Use% Mounted on
rootfs 3.7G 888M 2.6G 26% /
(it should be around 3G used)
Second machine second mountpoint:
CNO DATE TIME MODE FLG NBLKINC ICNT
1496 2012-07-09 03:31:23 cp - 8837 132766
1497 2012-07-09 03:31:26 cp - 468 132766
1498 2012-07-09 03:41:27 cp - 1474 132765
(this fs should containt *all* 1498 checkpoints)
Filesystem Size Used Avail Use% Mounted on
/dev/dm-2 117G 58G 54G 76% /mnt/home_backup
(in this one it should be around 100G of used space)
mount:
/dev/dm-2 on /mnt/home_backup type nilfs2 (rw,gcpid=13135)
/dev/sda3 on / type nilfs2 (rw,noatime,nodiratime,gcpid=1363)
Both cleaners running (the second mountpoint - /mnt/home_backup - is under
heavy load and I suppose it will end with around 20G used space).
Where to go from this point? How to debug nilfs_cleanerd issue?
Piotr Szymaniak.
--
Wybudowaliśmy dla siebie klatkę - cywilizację - gdyż byliśmy zdolni do
myślenia, a teraz musimy myśleć, ponieważ jesteśmy zamknięci w tej
klatce.
-- William Wharton, "Birdy"
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