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SubjectRe: kill task in TASK_UNINTERRUPTIBLE


Denis Vlasenko wrote:
>
> On 8 May 2002 21:27, george anzinger wrote:
> > > > > Is there any way i can kill a task in
> > > > > TASK_UNINTERRUPTIBLE state ?
> > > > No. Everytime you see hung task in this state
> > > > you see kernel bug.
> > > > Somebody correct me if I am wrong.
> > >
> > > Except for processes accessing NFS files while the NFS server is down:
> > > they will be stuck in TASK_UNINTERRUPTIBLE until the NFS server comes
> > > back up again.
> >
> > A REALLY good argument for puting timeouts on your NSF mounts! Don't
> > leave home without them.
>
> Timeouts may be a bad idea: imagine large (LARGE) database
> which you don't want to repair due to lost data over NFS.
> Better let it hang in NFS i/o even for hours while you are
> repairing your network.

I'm not sure using an NFS mount for a big important DB would be prudent
in the first place. I dunno, maybe there are situations where it's
unavoidable. I just really cringe when hearing about DB volumes over
NFS.

-Andrew
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