Gluster users - Aug 2021 - Gluster x Ceph: disk space consuming...

Gluster supports different types of volumes and the most you can squeeze from
the storage is the distributed volume which just aggregates the data bricks
(term for server+mount point) without any protection.Another one is the
dispersed volume (same like CEPH erasure coding) with various redundancy levels:
6 bricks with redundancy level 2 (4 + 2)10 bricks with redundancy level 2 (8 +
2)11 bricks with redundancy level 3 (8 + 3)12 bricks with redundancy level 4 (8
+ 4)20 bricks with redundancy level 4 (16 + 4)
Keep in mind that expansion of the volume happens with the same ammount of
bricks (initially 20 bricks -> expansion needs another 20)
You can
check?https://docs.gluster.org/en/latest/Administrator-Guide/Setting-Up-Volumes/
for more details. Keep in mind that older docs reffer to outdated/unsupported
volume types.
Also, keep in mind that you can use VDO for a deduplication/compression of your
gluster data.

Best Regards,Strahil Nikolov

 
 
  On Tue, Aug 3, 2021 at 19:45, Gilberto Ferreira<gilberto.nunes32 at
gmail.com> wrote:   Hi there
Is there any paper or howto whatsoever, that points out some comparison with
Gluster versus Ceph, regards disk space consuming??It seems to me glusterfs has
more efficiency regard this matter;Some advice?will be welcome!
---Gilberto Nunes Ferreira(47) 99676-7530 - Whatsapp / Telegram









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03.08.2021 22:04, Strahil Nikolov ?????:
>
> Also, keep in mind that you can use VDO for a 
> deduplication/compression of your gluster data.
>
>
>
We have problems running qemu+gfapi over vdo volumes, it just does not work.

I opened issue long time, but it got no attention...

I.e. VDO is not compatible with gluster.


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