[ovirt-users] IOPS per VM

[Karli Sjöberg]

Den 23 jul 2015 11:03 em skrev Johan Kooijman <mail at johankooijman.com>:
>
> It's a Zetavault server, ZFS on Linux.

Ah, too bad. If it were Solaris/derivative or FreeBSD you could have used DTrace for that... I don't think that's available in linux.

/K

>
> On Thu, Jul 23, 2015 at 11:00 PM, Karli Sjöberg <karli.sjoberg at slu.se> wrote:
>>
>> Forgot reply all...
>>
>> Den 23 jul 2015 10:13 em skrev Johan Kooijman <mail at johankooijman.com>:
>> >
>> > iotop on NFS servers tells me it's NFS what's taking the load :)
>>
>> What server is it?
>>
>> /K
>>
>> >
>> > On Thu, Jul 23, 2015 at 10:11 PM, Karli Sjöberg <karli.sjoberg at slu.se> wrote:
>> >>
>> >>
>> >> Den 23 jul 2015 9:53 em skrev Johan Kooijman <mail at johankooijman.com>:
>> >> >
>> >> > My bad - should've mentioned we're running on NFS, iotop doesn't show that.
>> >>
>> >> So run it on the NFS server to see what file is most demanding?
>> >>
>> >> /K
>> >>
>> >> >
>> >> > On Thu, Jul 23, 2015 at 9:14 PM, Chris Adams <cma at cmadams.net> wrote:
>> >> >>
>> >> >> Once upon a time, Johan Kooijman <mail at johankooijman.com> said:
>> >> >> > We're having some storage issues at the moment, some piece of our ovirt
>> >> >> > setup is eating up all available write IOPS.
>> >> >> > Is there a way of finding out which VM it may be? It's not CPU and/or
>> >> >> > network related it seems, because all VM's look good from the interface.
>> >> >>
>> >> >> Try running "iotop" from the shell on the host.
>> >> >> --
>> >> >> Chris Adams <cma at cmadams.net>
>> >> >> _______________________________________________
>> >> >> Users mailing list
>> >> >> Users at ovirt.org
>> >> >> http://lists.ovirt.org/mailman/listinfo/users
>> >> >
>> >> >
>> >> >
>> >> >
>> >> > --
>> >> > Met vriendelijke groeten / With kind regards,
>> >> > Johan Kooijman
>> >
>> >
>> >
>> >
>> > --
>> > Met vriendelijke groeten / With kind regards,
>> > Johan Kooijman
>
>
>
>
> --
> Met vriendelijke groeten / With kind regards,
> Johan Kooijman
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