I noticed ceph added key/value store OSD backend feature in firefly, but i can hardly get any documentation about how to use it. At last I found that i can add a line in ceph.conf: osd objectstore = keyvaluestore-dev but got failed with ceph-deploy creating OSDs. According to the log, ceph-disk still tried to part a journal partition but failed. The commands i used are: ceph-deploy disk zap CVM-0-11:/dev/hioa ceph-deploy osd prepare CVM-0-11:/dev/hioa ceph-deploy osd activate CVM-0-11:/dev/hioa1 Can anyone help me to create a kvstore backend OSD? Thanks! ============= Aegeaner
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