Hi,
In order to reclaim space in Ceph you will need to use the discard feature of KRBD:
https://www.sebastien-han.fr/blog/2015/01/26/ceph-and-krbd-discard/
https://www.sebastien-han.fr/blog/2015/01/26/ceph-and-krbd-discard/
Kind regards,
Caspar
Caspar
2018-03-14 10:34 GMT+01:00 Mostafa Hamdy Abo El-Maty El-Giar <mostafahamdy@xxxxxxxxxxx>:
Hi ,I found some thing strange in ceph. The actual stored data in mounted rbd image is 156 G ./dev/rbd0p1 985G 156G 779G 17% /mntWhen I run ceph -s , I see the actual data is 316 GB.pgmap v27446382: 1024 pgs, 1 pools, 316 GB data, 81742 objects952 GB used, 44145 GB / 45098 GB availalso when I write some thing on the mount rbd and then remove it the available space seen true in the mounted rbd , but with ceph -s command the data become larger and can not see the data is removed.I understand the replication, I mean the actual data without replication. When I remove some data , the ceph cluster can not see the new size of data and does not change the data size.Please , any help in this problem.Thank you
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