Le 19/02/2016 17:17, Don Laursen a écrit : > > Thanks. To summarize > > Your data, images+volumes = 27.15% space used > > Raw used = 81.71% used > > > > This is a big difference that I can’t account for? Can anyone? So is > your cluster actually full? >
I believe this is the pool size being accounted for and it is harmless: 3 x 27.15 = 81.45 which is awfully close to 81.71. We have the same behavior on our Ceph cluster. > > > I had the same problem with my small cluster. Raw used was about 85% > and actual data, with replication, was about 30%. My OSDs were also > BRTFS. BRTFS was causing its own problems. I fixed my problem by > removing each OSD one at a time and re-adding as the default XFS > filesystem. Doing so brought the percentages used to be about the same > and it’s good now. > That's odd : AFAIK we had the same behaviour with XFS before migrating to BTRFS. Best regards, Lionel
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