Also one more thing, did you make sure to setup the 10Gb gluster network in ovirt and set migration and vm traffic to use the gluster network?

On Thu, Feb 28, 2019 at 6:11 PM Jayme <jaymef@gmail.com> wrote:

Check volumes in Ovirt admin and make sure the optimize volume for cm storage is selected 

I have a three node ovirt hci with ssd gluster backed storage and 10Gb storage network and I write at around 50-60 megabytes per second from within vms. Before I used the optimize for vm storage it was about 10x less. Iirc the optimize setting it suppose to get set by the installler by default but it wasn’t set in my case when I used cockpit to deploy (this was a little while ago on ovirt 4.2). Worth checking anyway. 

On Thu, Feb 28, 2019 at 4:51 PM Drew R <drew.rash@gmail.com> wrote:

I expect VM's to be able to write at 200MB or 500MB to the hdd/ssd when using an NFS mount or gluster from inside a VM.

But heck, it's not even 10% (20MB or 50MB), it's closer to 2.5%-5% of the speed of the drives.

I expect windows services to not timeout due to slow hard drives while booting.
I expect a windows vm to boot in less than 6 minutes.
I expect to open chrome in less than 1 minute.

:)  I was hoping for like, at least half speed or quarter speed. I'd be ok with 50MBps or 100MBps. Writing.

I think what I was expecting was out of the box it would perform. But there appears to be something we've done wrong, or a tweak we aren't doing.

But we  can't even run 1 windows vm at something anyone would remotely call "performs very well".

Please guide me.  Do you have any commands you want me to run? Or tests to do? Do you want a print out or a specific configuration you would like to try? 
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