hi cepher:
I upgrade my ceph cluster to Jewel, and use bluestore as beckend store, when I create image using rbd command line tool, it works ok, like:
cepher@10-165-160-18:~/xzy$ sudo rbd create xzy_vol -p switch01_ssd_volumes --size 10240
cepher@10-165-160-18:~/xzy$ rbd ls -p switch01_ssd_volumes
xzy_vol
but, when I create volume by cinder, it can't be created. I found Cinder judge if there is enough space by ceph df, the ceph df info is:
GLOBAL:
SIZE AVAIL RAW USED %RAW USED
53605G 51458G 2147G 4.01
POOLS:
NAME ID USED %USED MAX AVAIL OBJECTS
switch01_ssd_vms 1 0 0 0 0
switch01_ssd_volumes 2 8 0 0 1
We can see the AVAIL space of pools is all 0.
On the other hand, I found the weight value was not correct either, and it is a known issue(http://tracker.ceph.com/issues/15985). I don't know whether it is related.
When use filestore as backend object store(on jewel), there do not have this problem.
Anyone can give me some advice or share some infomation.
best regards~
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