jra at samba.org
Tue Oct 28 21:09:36 GMT 2003
On Tue, Oct 28, 2003 at 03:43:27PM -0500, Brandon Craig Rhodes wrote:
> "Eric Boehm" <boehm at nortelnetworks.com> writes:
> > Brandon> This is happening in two different labs under both
> > Brandon> Solaris 2.7 and 2.8 and renders samba-3 essentially
> > Brandon> unusable.
> > Jeremy> Ok, do you have the Sun patch for the "thundering herd"
> > Jeremy> problem with fcntl locks?
> > We're are seeing this problem with Samba 2.2.8a on Solaris 8 *WITH*
> > the patch to fix fcntl (108528-19 or later). We've also seen it with
> > 2.2.8a and Solaris 8 with a later patch (108528-22). Perhaps the
> > Solaris patch doesn't fix the problem? Is there a way to verify this?
> Oh, man, our labs were working with samba-3 pretty well today - I
> performed the upgrade late last night, when not many students were
> around - but a few minutes ago the whole thing has collapsed. The
> cluster file server has a low load average, but keeps getting very
> large (like, three times the number of machines) numbers of smbd
> threads all apparently having problems with the fcntl(2) lock on
> Meanwhile the password server seems completely loaded down, though we
> are investigating this.
> Volker, I will try your test script later this evening or tonight to
> see if I can artifically produce the problem.
> As the world burns around us,
Hopefully not :-(. Did you try Andrew Bartletts suggestion of
running winbindd to cause it to linearise the queries to the DC ?
That was a good idea.
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