It seems that your e-mail went to the spam.

I would start with isolating the issue ?
1. Is this a VM specific issue or a more-wide issue.
- Can you move another VM on that storage domain and verify performance ?
- Can you create/migrate same OS-type VM and check performance?
- What about running a VM with different version of Windows or even better -> 
Linux ?


Also I would check the systems from bottom up.
Check the following:
- Are you using Latest Firmware/OS updates for the Hosts and Engine ?
- What is your cmdline :
cat /proc/cmdline
- Tuned profile
- Are you using a HW controller for the Gluster bricks ? Health of controller 
and disks ?
- Is the FS aligned properly to the HW controller (stripe unit and stripe width 
)? More details on 
https://access.redhat.com/documentation/en-us/red_hat_gluster_storage/3.5/html-single/administration_guide/index#Hardware_RAID

- FS Fragmentation ? Is your FS full ?

- Gluster volume status ? Client count ? (for example: gluster volume status 
all client-list)
- Gluster version, cluster.op-version and cluster.max-op-version ?

- If your network is slower than the bricks' backend (disks faster than 
network) , you can set cluster.choose-local to 'yes'

- Any errors and warnings in the gluster logs ?


Best Regards,
Strahil Nikolov





В четвъртък, 22 октомври 2020 г., 13:59:04 Гринуич+3, <supo...@logicworks.pt> 
написа: 





Hello,

For example, a window machine runs to slow, usually the disk is allways in 100%
The group virt settings is this?:
performance.quick-read=off
performance.read-ahead=off
performance.io-cache=off
performance.low-prio-threads=32
network.remote-dio=enable
features.shard=on
user.cifs=off
client.event-threads=4
server.event-threads=4
performance.client-io-threads=on


________________________________
De: "Strahil Nikolov" <hunter86...@yahoo.com>
Para: "users" <users@ovirt.org>, supo...@logicworks.pt
Enviadas: Quarta-feira, 21 De Outubro de 2020 19:22:14
Assunto: Re: [ovirt-users] Improve glusterfs performance

Usually, oVirt uses the 'virt' group of settings.

What are you symptoms ?

Best Regards,
Strahil Nikolov






В сряда, 21 октомври 2020 г., 16:44:50 Гринуич+3, supo...@logicworks.pt 
<supo...@logicworks.pt> написа: 





Hello,

Can anyone help me in how can I improve the performance of glusterfs to work 
with oVirt?

Thanks

-- 
________________________________
Jose Ferradeira
http://www.logicworks.pt
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