[stgt] help tgt segfault

FUJITA Tomonori fujita.tomonori at lab.ntt.co.jp
Fri Dec 19 17:50:00 CET 2008

On Fri, 19 Dec 2008 17:14:07 +0100
Tomasz Chmielewski <mangoo at wpkg.org> wrote:

> FUJITA Tomonori schrieb:
> >>> Here is a lengthy log for 25 minutes - with several device 
> >>> suspends/resumes.
> >>> I'll give it 2 more hours testing...
> >> Not 2 hours, but some observations - is it possible that tgtd serves 
> >> wrong data to the initiator when the access to the media is slow?
> > 
> > tgtd doesn't return wrong (bogus) data.
> > 
> > The initiator has to give up I/O requests at some point if the target
> > doesn't send responses for long time. Then you see the I/O errors.
> I have the timeout set to several days, so it doesn't give up within 
> single minutes. I can shut the target down for days, and the initiator 
> will recover nicely when the target is back.
> node.session.timeo.replacement_timeout = 1000000
> And here, we had no network disconnections/malfunctions.

Well, the log looks like open-iscsi fails requests. Needs to ask on
open-iscsi list, I guess.
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