Thin provision ceph

jasper450

New Member
Aug 7, 2019
3
0
1
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Hello

Is there a way to thin provision the disk on ceph storage.
This is the configuration of the disks
disk.PNG
On the storage
ceph.PNG
Kind regards,
Jasper
 

sg90

Member
Sep 21, 2018
103
10
18
29
but the disk only uses 400gb. Why does it take 750gb on the storage ?
What your seeing in your screenshot is the size of the disk (it's max size) that you specified when creating the disk.

CEPH stores RBD data in 4MB objects, so will only use the amount of disk space that is actually used on the filesystem within the VM.

If you have saved lot's of files and then deleted them aslong as you have discard enabled on the HD in the VM config and an OS that discards or use fstrim. It will tell CEPH to delete the old objects no longer required.
 

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