> Each data has to be written on the host itself and on the two remote ones so
> you are going to have 1000 mbps / 2 (external replicas ) / 8 (bit/bytes) = a
> max of 62.5 MB/s sustained throughput shared between all the VMs and this
> ignoring all the overheads.
> In practice it will be much less ending in a barely usable environment.
I am currently in this type of setup (replica 2 arbiter 1 on 1 gbit/s both
storage and oVirt connectivity) and the maximum write (sequential) speed I can
reach is aprox 89 MB/s.
I guess with replica 3 the maximum will be as Simone stated.
My maximum read speed is aprox 500 MB/s despite that local NVMe is capable of
1.3 GB/s and I guess FUSE is not using the local brick no matter I have
set it up with cluster.use-local (or whatever it was called).
If possible , get a 10 gbit/s connectivity or multiple gbit interfaces ( as
I'm planing to do in the nearest future).
Best Regards,
Strahil Nikolov
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