[Gluster-users] Gluster x Ceph: disk space consuming...

Strahil Nikolov hunter86_bg at yahoo.com
Tue Aug 3 18:04:37 UTC 2021

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 Keep in mind that older docs reffer to outdated/unsupported volume types.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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