[ovirt-users] IOPS stats/reports from all hosts to storage

Karli Sjöberg karli at inparadise.se
Thu Oct 5 07:53:24 UTC 2017


On tor, 2017-10-05 at 09:45 +0200, Neil wrote:
> Hi Karli,
> 
> I was hoping that too, but it seems the SAN doesn't have these
> features.

Wow, that´s kind of a crappy storage, no offense. What´s the brand, so
we can stay clear of it? :)

/K

> 
> There is only the 4 oVirt hosts connected to it via 8GB FC.
> 
> I see oVirt has Storage QOS, but how do we set Storage QOS without
> knowing the maximum storage limits? Perhaps I'm misunderstood this...
> 
> Thanks.
> 
> Regards.
> 
> Neil Wilson.
> 
> 
> 
> 
> 
> 
> On Thu, Oct 5, 2017 at 9:32 AM, Karli Sjöberg <karli at inparadise.se>
> wrote:
> > On tor, 2017-10-05 at 08:27 +0200, Neil wrote:
> > > Hi guys,
> > >
> > > I'm running FC storage with 4 hosts on oVirt 3.6 and we've been
> > > having some IOPS issues recently and the SAN provider has asked
> > me to
> > > provide them with the following info...
> > >
> > > Datastore Stripe Size
> > > Default VM Disk Stripe Size
> > > Average IO Size
> > > Average THROUGHPUT (MB/s)
> > > Average IOPS
> > > Maximum IOPS
> > > Read/Write Percentage of IO
> > > Datastore Average Latency
> > > VM Disk Average Latency
> > >
> > > All of this is from across all hosts and VM's to the storage
> > domain.
> > > Is there any way to get this kind of info from oVirt? I've been
> > > looking at oVirt-reports but I don't see much as far as
> > IO/throughput
> > > reporting goes.
> > >
> > > Apologies if I've missed something obvious.
> > 
> > Just a thought but, isn´t there any way of getting these numbers
> > from
> > the storage instead of looking at it from the virtualization? Are
> > there
> > _a lot_ of other systems connected to it?
> > 
> > /K
> > 
> > >
> > > Thanks.
> > >
> > > Regards.
> > >
> > > Neil Wilson.
> > > _______________________________________________
> > > Users mailing list
> > > Users at ovirt.org
> > > http://lists.ovirt.org/mailman/listinfo/users
> > 


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