[stgt] Infinite Loop on 1.0.26?

[Brad.Goodman at emc.com]

> -----Original Message-----
> From: FUJITA Tomonori [mailto:fujita.tomonori at lab.ntt.co.jp]
> Sent: Sunday, April 08, 2012 9:14 PM
> To: Goodman, Brad
> Cc: stgt at vger.kernel.org; alexandern at mellanox.com
> Subject: Re: Infinite Loop on 1.0.26?
> 
> On Sat, 7 Apr 2012 21:53:23 -0400
> <Brad.Goodman at emc.com> wrote:
> 
> >> > I have never seen this type of behavior ever, on prior
> >> > versions. Barring that investigation when/if this happens again -
> I
> >> > just wanted to see if this was a "known" issue, or anyone had ever
> >> > seen anything like this before. Is this new? Any ideas?
> >>
> >> As far as I know, it's new. What the last tgt version worked well
> for
> >> you?
> >
> > We have done a decent amount of testing with versions 1.0.14 and
> 1.0.23
> >
> > Our testing with 1.0.26 has been fairly short (I'm guessing under 10
> minutes actual total run-time).
> >
> > However, in prior versions our testing has been limited to a maximum
> of two initiators, whereas our 1.0.26 has been with a maximum of 8
> initiators. In both cases, again, testing has been specific to iSER.
> 
> Can you perform the same test against the old versions?


We have been running 1.0.23 all day today, and have seen no issues. I'm still not 100% convinced, as in the two times we saw issues with 1.0.26, it wasn't during steady-state I/O testing, but rather at some point after testing that the system seemed to fail. Still though, it only took an hour or so run into the problem each time.

Tomorrow we are going to start concurrent testing with 1.0.23 and 1.0.26, and we'll see how that pans out. I will report.

Thank you,

-BKG
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