Re: pNFS DS session

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On Fri, Oct 01, 2010 at 08:40:36AM -0700, Marc Eshel wrote:
>  On 10/1/2010 5:33 AM, Benny Halevy wrote:
> >On 2010-10-01 10:47, Boaz Harrosh wrote:
> >>On 10/01/2010 08:12 AM, Tigran Mkrtchyan wrote:
> >>>   On 10/01/2010 06:17 AM, Marc Eshel wrote:
> >>>>Hi Benny,
> >>>>
> >>>>Running connectathon I see that some times the clients decides to destroy
> >>>>the session with the DS. The test continue and the session is
> >>>>re-established. It looks like layout return reduces the hold on device
> >>>>info the reduces the hold on the client struct which decide to destroy the
> >>>>session. Is that a known problem?
> >>>>
> >>Yes, I want to emphasize on Marks words: "a known *problem*"
> >Marc, assuming the code behaves as expected, does this cause any other badness
> >like the GETATTRs you see going out to the DS?
> >
> >Benny
> >
> 
> No i don't see any "badness" the test continues without errors and
> this problem is not related to the GETATTRs I see on the DS but I
> would consider destroying the session in short run of couple of
> minutes some times more than one time as something bad.

Why?

I wouldn't expect session destruction/creation to be *that* expensive.

--b.
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