Il 25-08-2017 21:46 Remolina, Diego J ha scritto:
Danti,
Have you considered using something other than drbd for VM disk
storage? Glusterfs for example is really good for that. You may want
to give it a try. You should look at enabling sharding from the get-go
to speed up heals when a node goes down.
I would not use Glusterfs for a file server as it's performance is
abysmal dealing with lots of small files. I would definitively use
DRBD for a file server as it is great in handling lots of small files
whereas Glusterfs is horrible. But for VMs, I think gluster offers
many niceties, easy to setup, good performance, no need to deal with
GFS2, etc.
HTH,
Diego
Hi Diego,
sure, I have an on-going discussion with the gluster mailing list about
how to do that.
However, having been served so well by DRBD in the last 4 years, I am
somewhat reluctant to abandon it for another, probably not so
battle-tested, technology.
In particular, it seems that to be useful (ie: stable enought) for VM
disk storage, Gluster need a 3-way cluster and sharding enabled (which I
would like to avoid). In contrast, DRBD + GFS2 (or DRBD + LVM) can be
used in a 2-way cluster without problem.
Thanks.
--
Danti Gionatan
Supporto Tecnico
Assyoma S.r.l. - www.assyoma.it
email: g.da...@assyoma.it - i...@assyoma.it
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