Hi Yenya,
I guess Ceph adds the size of all your data.db devices to the cluster
total used space.
Regards,
Jakub
pt., 8 lut 2019, 10:11: Jan Kasprzak <k...@fi.muni.cz> 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
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