question about check_disk

Ensing, Harm harm.ensing at atos.net
Fri Jan 20 10:18:04 CET 2012


Hi,

Please help
See this output:

$ df -h /S00022_BACKUP
Filesystem             size   used  avail capacity  Mounted on
S00022_BACKUP          2.6T    94G   307G    24%    /S00022_BACKUP

$ plugins/check_disk -E -w 20% -c 10% -W 10% -K 8% -u MB -p /S00022_BACKUP
DISK OK - free space: /S00022_BACKUP 314182 MB (76% inode=99%);| /S00022_BACKUP=95885MB;328053;36906 0;0;410067

$ zpool list S00022_BACKUP
NAME            SIZE  ALLOC   FREE    CAP  HEALTH  ALTROOT
S00022_BACKUP  2.66T  2.32T   349G    87%  ONLINE  -

df says FS is 24% free, so no problem.
Check_disk says 76% full, so that matches, still no problem.
Assuming inode=99% reports inode table 99% full (!) I would expect a warning/critical from '-W 10% -K 8%' but it does not do that.

'zpool list' shows '87%' which is totally different.


-    Am I interpreting the info wrong?

-    How can I dig up more detailed info on inode usage in a zpool?

-    What causes the difference between 'df -h' and 'check_disk' on one side and 'zpool list' on the other side?

Regards,


Harm B. J. Ensing
unix system administrator
T: +31 (0) 8826 51609
M: +31 (0) 6 5158 4736
harm.ensing at atos.net<mailto:bert.keuter at atos.net>

team 3 group North51
T: +31 (0) 8826 51617
gmnl-uxonorth51 at atos.net<mailto:bert.keuter at atos.net>

Henri Dunantlaan 2
9728 HD Groningen
http://www.atos.net
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