MAX AVAIL is the amount of data you can still write to the cluster before *anyone one of your OSDs* becomes near full. If MAX AVAIL is not what you expect it to be, look at the data distribution using ceph osd tree and make sure you have a uniform distribution.
Mohamad On 6/25/19 11:46 AM, Davis Mendoza Paco wrote: > Hi all, > I have installed ceph luminous, with 43 OSD(3TB) > > Checking pool statistics > > ceph df detail > GLOBAL: > SIZE AVAIL RAW USED %RAW USED OBJECTS > 117TiB 69.3TiB 48.0TiB 40.91 4.20M > POOLS: > NAME ID QUOTA OBJECTS QUOTA BYTES > USED %USED MAX AVAIL OBJECTS DIRTY READ > WRITE RAW USED > images 9 N/A N/A > 144GiB 1.36 10.2TiB 22379 22.38k 70.0MiB > 354KiB 432GiB > vms 10 N/A N/A > 3.36TiB 24.69 10.2TiB 889606 889.61k 3.36GiB > 4.61GiB 10.1TiB > backups 12 N/A N/A > 1.00GiB 0 10.2TiB 261 261 103KiB > 525B 3.00GiB > volumes 13 N/A N/A > 12.5TiB 55.02 10.2TiB 3289892 3.29M 754MiB > 616MiB 37.6TiB > > I can not understand what the column "MAX AVAIL" refers to, according > to the column "% USED" only 55% of the pool "volumes" is used, that is > 12.5TiB > NAME ID USED %USED MAX AVAIL > volumes 13 12.5TiB 55.02 10.2TiB > > -- > *Davis Mendoza P.* > > _______________________________________________ > ceph-users mailing list > [email protected] > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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