Re: [Xen-devel] Limit I/O for individual disks of VM

[Tõnis Bramanis <tonis@xxxxxxxxxx>]

I haven't met anyone yet who had ever seen something like that before.
Guess it's time to change the hardware and see what happens then.

Thanks,
Tõnis

On 28.09.2011 9:35, Jeremy Fitzhardinge wrote:
> On 09/27/2011 11:25 PM, Tõnis Bramanis wrote:
> > Hello
> >
> > and thank You for the answer. Has anyone of You tried to limit i/o on
> > the VMs?
> >
> > I have about 40 containers and when the i/o gets too high, the host
> > will crash with this error:
> > [23959.739698] sd 4:0:0:0: rejecting I/O to offline device
> > 5    [23959.771158] Buffer I/O error on device dm-0, logical block 40259
> >
> > This is not a support request! I am just referring why i would like to
> > limit the disks i/o.
> I think that IO error is a real problem that you should try to solve,
> rather than work around it by rate-limiting IO.
>
>      J
>
> > Regards,
> > Tõnis Bramanis
> >
> > On 27.09.2011 22:58, Jeremy Fitzhardinge wrote:
> > > On 09/27/2011 01:33 AM, Tõnis Bramanis wrote:
> > > > Hello!
> > > >
> > > > Will disk i/o limiting be added in any future versions? I see it in
> > > > the 4.0 feature requests, but not in any changelogs.
> > > I think the hope is that we can use the generic Linux mechanisms for
> > > this rather than having to add anything Xen-specific.
> > >
> > >       J
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