Jakub Jaszewski wrote:
: Hi Yenya,
:
: I guess Ceph adds the size of all your data.db devices to the cluster
: total used space.
Jakub,
thanks for the hint. The disk usage increase almost corresponds
to that - I have added about 7.5 TB of data.db devices with the last
batch of OSDs.
Sincerely,
-Yenya
: pt., 8 lut 2019, 10:11: Jan Kasprzak <kas@xxxxxxxxxx> napisał(a):
:
: > Hello, ceph users,
: >
: > I moved my cluster to bluestore (Ceph Mimic), and now I see the increased
: > disk usage. From ceph -s:
: >
: > pools: 8 pools, 3328 pgs
: > objects: 1.23 M objects, 4.6 TiB
: > usage: 23 TiB used, 444 TiB / 467 TiB avail
: >
: > I use 3-way replication of my data, so I would expect the disk usage
: > to be around 14 TiB. Which was true when I used filestore-based Luminous
: > OSDs
: > before. Why the disk usage now is 23 TiB?
: >
: > If I remember it correctly (a big if!), the disk usage was about the same
: > when I originally moved the data to empty bluestore OSDs by changing the
: > crush rule, but went up after I have added more bluestore OSDs and the
: > cluster
: > rebalanced itself.
: >
: > Could it be some miscalculation of free space in bluestore? Also, could it
: > be
: > related to the HEALTH_ERR backfill_toofull problem discused here in the
: > other
: > thread?
: >
: > Thanks,
: >
: > -Yenya
: >
: > --
: > | Jan "Yenya" Kasprzak <kas at {fi.muni.cz - work | yenya.net - private}>
: > |
: > | http://www.fi.muni.cz/~kas/ GPG: 4096R/A45477D5
: > |
: > This is the world we live in: the way to deal with computers is to google
: > the symptoms, and hope that you don't have to watch a video. --P. Zaitcev
: > _______________________________________________
: > ceph-users mailing list
: > ceph-users@xxxxxxxxxxxxxx
: > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
: >
--
| Jan "Yenya" Kasprzak <kas at {fi.muni.cz - work | yenya.net - private}> |
| http://www.fi.muni.cz/~kas/ GPG: 4096R/A45477D5 |
This is the world we live in: the way to deal with computers is to google
the symptoms, and hope that you don't have to watch a video. --P. Zaitcev
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