Hi,
We have a cluster with 235 osd's running version 12.2.11 with a
combination of 4 and 6 TB drives. The data distribution across osd's
varies from 52% to 94%.
I have been trying to figure out how to get this a bit more balanced as
we are running into 'backfillfull' issues on a regular basis.
I've tried adding more pgs...but this did not seem to do much in terms
of the imbalance.
Here is the end output from 'ceph osd df':
MIN/MAX VAR: 0.73/1.31 STDDEV: 7.73
We have 8199 pgs total with 6775 of them in the pool that has 97% of the
data.
The other pools are not really used (data, metadata, .rgw.root,
.rgw.control, etc). I have thought about deleting those unused pools so
that most if not all the pgs are being used by the pool with the
majority of the data.
However...before I do that...there anything else I can do or try in
order to see if I can balance out the data more uniformly?
Thanks in advance,
Shain
--
NPR | Shain Miley | Manager of Infrastructure, Digital Media | smiley@xxxxxxx | 202.513.3649
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