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	Thu, 15 Jan 2015 09:41:30 -0500
Date: Thu, 15 Jan 2015 09:41:22 -0500 (EST)
From: Benjamin Coddington <bcodding@redhat.com>
To: Paul van der Vlis <paul@vandervlis.nl>
cc: linux-nfs@vger.kernel.org
Subject: Re: Max. open files?
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On Thu, 15 Jan 2015, Paul van der Vlis wrote:

> Hello Ben and others,
>
> Op 15-01-15 om 14:53 schreef Benjamin Coddington:
> > Can you provide a network capture of the problem?
>
> Not at the moment.
>
> Do you think it's good to make a tcpdump as root on the client when the
> problem is there?
>
> tcpdump -nw /path/filename
>
> With regards,
> Paul van der Vlis

If you know you can reliably produce the problem, something like `tcpdump
-s0 -w /tmp/capfile host <address of server>` started before you produce
the problem and interrupted a few moments later should be sufficient.

Ben

>
> > Ben
> >
> > On Thu, 15 Jan 2015, Paul van der Vlis wrote:
> >
> >> Hi Ben and others,
> >>
> >> The problem what I see, is that I sometimes cannot do a "ls" in a
> >> directory. It just gives no output and the terminal does not respond
> >> anymore. No errors in the logs.
> >>
> >> I've seen it in the firefox profile, like this:
> >> /home/paul/.mozilla/firefox/0k48lsbe.default/
> >> The browser hangs then.
> >>
> >> No problems in other directories of the same user.
> >>
> >> I am using homedirs on NFS4 with LDAP and MIT Kerberos on Debian Wheezy
> >> with a 3.16 kernel. sec=krb5i.
> >>
> >> With regards,
> >> Paul .
> >>
> >> Op 15-01-15 om 14:13 schreef Benjamin Coddington:
> >>> Hi Paul van der Vlis,
> >>>
> >>> I don't think there's a NFSD limit on open files, but you'd be subject to
> >>> VFS' file-max.
> >>>
> >>> http://lxr.free-electrons.com/source/Documentation/sysctl/fs.txt#L91
> >>>
> >>> Ben
> >>>
> >>> On Thu, 15 Jan 2015, Paul van der Vlis wrote:
> >>>
> >>>> Hello,
> >>>>
> >>>> Is there in nfs-kernel-server a maximum on the open files?
> >>>>
> >>>> If yes, what's the correct way to change that maximum?
> >>>>
> >>>> Do I get errors in the logs when the maximum is reached?
> >>>>
> >>>> With regards,
> >>>> Paul van der Vlis.
> >>>>
> >>>>
> >>>> --
> >>>> Paul van der Vlis Linux systeembeheer, Groningen
> >>>> http://www.vandervlis.nl/
> >>>>
> >>>> --
> >>>> To unsubscribe from this list: send the line "unsubscribe linux-nfs" in
> >>>> the body of a message to majordomo@vger.kernel.org
> >>>> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> >>>>
> >>> --
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> >>> the body of a message to majordomo@vger.kernel.org
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> >>>
> >>
> >>
> >>
> >>
> >>
> >> --
> >> Paul van der Vlis Linux systeembeheer, Groningen
> >> http://www.vandervlis.nl/
> >>
> >> --
> >> To unsubscribe from this list: send the line "unsubscribe linux-nfs" in
> >> the body of a message to majordomo@vger.kernel.org
> >> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> >>
>
>
>
>
>
> --
> Paul van der Vlis Linux systeembeheer, Groningen
> http://www.vandervlis.nl
>