Cleanup old osdmaps after #13990 fix applied

Dan Van Der Ster <daniel.vanderster@xxxxxxx> · Wed, 14 Sep 2016 09:45:29 +0000

Hi,

We've just upgraded to 0.94.9, so I believe this issue is fixed:

    http://tracker.ceph.com/issues/13990

AFAICT "resolved" means the number of osdmaps saved on each OSD will not grow unboundedly anymore. 

However, we have many OSDs with loads of old osdmaps, e.g.:

# pwd
/var/lib/ceph/osd/ceph-257/current/meta
# find . -name 'osdmap*' | wc -l
112810

(And our maps are ~1MB, so this is >100GB per OSD).

Is there a solution to remove these old maps?

Cheers,
Dan
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