[Gluster-users] using devices with dfifferent sizes

Peter Grandi pg at glfs.list.sabi.co.UK
Fri Dec 12 06:04:46 UTC 2025


For the first time I am considering setting up a volume with
devices of different size that is 40 4TB SSDs plus 24 8TB SSDs
and I wonder how easy it is to keep them balanced, My intended
setup is 3-way replication with sharding. Will the sharding.
Possible configurations:

* All 64 SSDs belong to one volume.

* The 8TB SSDs are split into 2 partitions of 4TB each. and all
  88 4TB partitions belong to one volume.

* Two volumes one of 40 4TB SSDs one of 24 8TB SSDs.

Please let me know pluses/minuses/recommentations.

Notes: These are SSDs so 2 partitions on one is fine. If they
were HDDs I would not do that. SSD sizes are rounded.


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