Hermann,
thanks for the info and testing...since you and Michal have now confirmed
that the patch is working, I will look into merging this over the Christmas
holiday (when I will have some spare time).
I will keep you posted.
Thanks,
Paul
On Mon, Dec 15, 2014 at 5:13 AM, Hermann Lauer <
[email protected]> wrote:
> Dear NBD Maintainer,
>
> > On Tue, Nov 18, 2014 at 11:05:49AM +0100, Michal Belczyk wrote:
> > > > > This is the version rebased against the current tip, completely
> > > > > untested.
> > ...
> > > Let me attach the corrected version of the patch.
> >
> > Tested now on a virtual and real amd64 machine - "nbd-client -timeout 5"
> > works when cutting the network. So you can add:
> >
> > Tested-By: [email protected]
> >
> > > > Why did this bugfix not made his way upstream (especially as this
> timeout issue is a blocker for mirroring) ?
> > >
> > > No idea, maybe the way timeouts are handled currently is good enough
> for
> > > most use cases...
> >
> > Without that timeouts are in the range of 15 Minutes (including some cpu
> stall kernel messages) - which is
> > unacceptable. "ls" on the fs on the raid1 or "cat /proc/mdstats" stay in
> state "D" during that time.
>
> are there any news on the nbd timeout issues in the kernels ?
> Just checked nbd.c - 3.18 seems not to contain the patch.
> Maybe I overlooked something or there are issues with it.
>
> Thanks for any help,
> greetings
> Hermann
>
> --
> Netzwerkadministration/Zentrale Dienste, Interdiziplinaeres
> Zentrum fuer wissenschaftliches Rechnen der Universitaet Heidelberg
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> Email: [email protected]
>
>
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