Hello cephers
We're running firefly ( 9.2.1 )
I'm trying to re balance our cluster's osd and from some reason it looks
like the re balance is going the wrong way :
What's i'm trying to do is to reduce the loads from osd-14 ( ceph osd
crush reweight osd.14 0.75 ) but what i see is the the backfill process is
moving pgs to osd-29 which is also 86% full
i wonder why the crash doesn't map to the less occupied osd-s ( 3 , 4 6
for example )
Any input is much appreciated .
2017-01-03 05:59:20.877705 7f3e6a0d6700 0 log_channel(cluster) log
[INF] : *2.2cb
starting backfill to osd.29 from* (0'0,0'0] MAX to 131306'8029954
2017-01-03 05:59:20.877841 7f3e670d0700 0 log_channel(cluster) log [INF] :
2.30d starting backfill to osd.10 from (0'0,0'0] MAX to 131306'8721158
2017-01-03 05:59:31.374323 7f3e356b0700 0 -- 10.63.4.3:6826/3125306 >>
10.63.4.5:6821/3162046 pipe(0x7f3e9d513000 sd=322 :6826 s=0 pgs=0 cs=0 l=0
c=0x7f3ea72b5de0).accept connect_seq 1605 vs existing 1605 state standby
2017-01-03 05:59:31.374440 7f3e356b0700 0 -- 10.63.4.3:6826/3125306 >>
10.63.4.5:6821/3162046 pipe(0x7f3e9d513000 sd=322 :6826 s=0 pgs=0 cs=0 l=0
c=0x7f3ea72b5de0).accept connect_seq 1606 vs existing 1605 state standby
^C
root@ecprdbcph03-opens:/var/log/ceph# df -h
Filesystem Size Used Avail Use% Mounted on
udev 32G 4.0K 32G 1% /dev
tmpfs 6.3G 1.4M 6.3G 1% /run
/dev/dm-1 106G 4.1G 96G 5% /
none 4.0K 0 4.0K 0% /sys/fs/cgroup
none 5.0M 0 5.0M 0% /run/lock
none 32G 0 32G 0% /run/shm
none 100M 0 100M 0% /run/user
/dev/sdk2 465M 50M 391M 12% /boot
/dev/sdk1 512M 3.4M 509M 1% /boot/efi
ec-mapr-prd:/mapr/ec-mapr-prd/homes 262T 143T 119T 55% /export/home
/dev/sde1 889G 640G 250G 72%
/var/lib/ceph/osd/ceph-3
/dev/sdf1 889G 656G 234G 74%
/var/lib/ceph/osd/ceph-4
/dev/sdg1 889G 583G 307G 66%
/var/lib/ceph/osd/ceph-6
/dev/sda1 889G 559G 331G 63%
/var/lib/ceph/osd/ceph-8
/dev/sdb1 889G 651G 239G 74%
/var/lib/ceph/osd/ceph-10
/dev/sdc1 889G 751G 139G 85%
/var/lib/ceph/osd/ceph-12
/dev/sdh1 889G 759G 131G 86%
/var/lib/ceph/osd/ceph-14
/dev/sdi1 889G 763G 127G 86%
/var/lib/ceph/osd/ceph-16
/dev/sdj1 889G 732G 158G 83%
/var/lib/ceph/osd/ceph-18
/dev/sdd1 889G 756G 134G 86%
/var/lib/ceph/osd/ceph-29
root@ecprdbcph03-opens:/var/log/ceph#
Thanks
*Yair Magnezi *
*Storage & Data Protection TL // Kenshoo*
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