[Gluster-users] Brick Reboot => VMs slowdown, client crashes

Guy Boisvert guy.boisvert at ingtegration.com
Mon Aug 19 17:22:25 UTC 2019

On 2019-08-19 12:08 p.m., Darrell Budic wrote:
> You also need to make sure your volume is setup properly for best performance. Did you apply the gluster virt group to your volumes, or at least features.shard = on on your VM volume?

That's what we did here:

gluster volume set W2K16_Rhenium cluster.quorum-type auto
gluster volume set W2K16_Rhenium network.ping-timeout 10
gluster volume set W2K16_Rhenium auth.allow \*
gluster volume set W2K16_Rhenium group virt
gluster volume set W2K16_Rhenium storage.owner-uid 36
gluster volume set W2K16_Rhenium storage.owner-gid 36
gluster volume set W2K16_Rhenium features.shard on
gluster volume set W2K16_Rhenium features.shard-block-size 256MB
gluster volume set W2K16_Rhenium cluster.data-self-heal-algorithm full
gluster volume set W2K16_Rhenium performance.low-prio-threads 32

tuned-adm profile random-io        (a profile i added in CentOS 7)

cat /usr/lib/tuned/random-io/tuned.conf
summary=Optimize for Gluster virtual machine storage


vm.dirty_ratio = 5
vm.dirty_background_ratio = 2

Any more optimization to add to this?


Guy Boisvert, ing.
IngTegration inc.

AVIS DE CONFIDENTIALITE : ce message peut contenir des
renseignements confidentiels appartenant exclusivement a
IngTegration Inc. ou a ses filiales. Si vous n'etes pas
le destinataire indique ou prevu dans ce  message (ou
responsable de livrer ce message a la personne indiquee ou
prevue) ou si vous pensez que ce message vous a ete adresse
par erreur, vous ne pouvez pas utiliser ou reproduire ce
message, ni le livrer a quelqu'un d'autre. Dans ce cas, vous
devez le detruire et vous etes prie d'avertir l'expediteur
en repondant au courriel.

CONFIDENTIALITY NOTICE : Proprietary/Confidential Information
belonging to IngTegration Inc. and its affiliates may be
contained in this message. If you are not a recipient
indicated or intended in this message (or responsible for
delivery of this message to such person), or you think for
any reason that this message may have been addressed to you
in error, you may not use or copy or deliver this message to
anyone else. In such case, you should destroy this message
and are asked to notify the sender by reply email.

More information about the Gluster-users mailing list