On 10/5/22 12:09, Nicola Mori wrote:
Dear Ceph users,
I am trying to tune my cluster's recovery and backfill. On the web I
found that I can set related tunables by e.g.:
ceph tell osd.* injectargs --osd-recovery-sleep-hdd=0.0
--osd-max-backfills=8 --osd-recovery-max-active=8
--osd-recovery-max-single-start=4
but I cannot find a way to be sure that the settings have been correctly
applied and are being honored. Actually, when querying OSD settings I
get e.g.:
# ceph config show osd.0 | grep osd_max_backfill
osd_max_backfills 1000
Login on the host where osd.0 resides. Ask the daemon:
ceph daemon osd.0 config get osd_max_backfills
That will give you the actual running state
You can do that for any daemon type / config setting.
Gr. Stefan
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