On Fri, Mar 4, 2016 at 11:56 PM, Mike Almateia <mike.almateia@xxxxxxxxx> wrote: > Hello Cephers! > > On my small cluster I see this: > **** > [root@c1 ~]# rados df > pool name KB objects clones degraded unfound > rd rd KB wr wr KB > data 0 0 0 0 0 > 6 4 158212 215700473 > hotec 797656118 25349075 0 0 0 > 370557 163024145 69629631 17786794779 > rbd 0 0 0 0 0 > 0 0 0 0 > total used 2080528140 25349075 > total avail 234455230732 > total space 236596810264 > [root@c1 ~]# > **** > > Why the string "total used" show different value? It's need to be > "797656118" I think. > Pools: > * data - EC pool 3+2 > * hotec - replicated pool size 2, cache tier for 'data' > > Any one can explain this? Yeah, the per-pool stats are the amount of data in the pool, but the totals include replication/EC overheads, plus metadata like the OSD map storage and the per-OSD leveldb instances which (unfortunately) aren't counted in the per-pool stats. -Greg _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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