Using the wizzard is utilizing the Gluster Andible roles.I would highly recommend using it, unless you know what you are doing (for example storage alignment when using Hardware raid).
Keep in mind that the DHT xlator (the logic in distributed volumes) is shard aware, so your shards are spread between subvolumes and additional performance can be gained.So using replicated-distributed volumes have their benefits.
If you decide to avoid the software raid, use only replica3 volumes as with SSDs/NVMEs usually the failures are not physical, but logical (maximum writes reached -> predictive failure -> total failure).
Also, consider mounting via noatime/relatime and context="system_u:object_r:glusterd_brick_t:s0" for your gluster bricks.
Best Regards,
Strahil Nikolov
On Fri, Jan 21, 2022 at 11:00, Gilboa Davara
<gilboad@gmail.com> wrote: