[OpenAFS-devel] AFS goes to WAIT on alpha_dux40

Atro Tossavainen Atro.Tossavainen@helsinki.fi
Thu, 8 Jan 2004 13:48:07 +0200 (EET)


Hello all,

I've been hitting my head against a wall with Transarc AFS on alpha_dux40.
As you all probably know, Tru64 is a non-supported platform since Jun 30,
2003, so contacting them is no use even though we have an AFS support
contract until Feb 2005.  Yes, we're trying to wrestle IBM's arm to get
us what we think we paid for, but that's another story and probably not
interesting to this list.

Since my efforts with Transarc AFS are going nowhere, I figured I'd give
OpenAFS a spin on this machine.  It's a Professional Workstation XP1000,
with Tru64 UNIX 4.0F on it.  I've now built a kernel where the AFS module
is OpenAFS 1.2.10 and I've replaced the Transarc 3.6 2.45 afsd with the
one from OpenAFS 1.2.10.

uname -a = OSF1 trp V4.0 1229 alpha
sizer -v = Digital UNIX V4.0F  (Rev. 1229); Mon Jan  5 09:15:32 EET 2004

When running one particular application program, all the afsd processes
go into the WAIT state.  With Transarc AFS, the machine stayed otherwise
functional but all attempts to access files on AFS caused the processes
doing so to hang indefinitely.

After the transition to OpenAFS, it seems even worse.  The machine still
responds to ping and the NFS filesystem it serves is still accessible
from the clients, but where it previously was possible to continue using
existing shells and opening new ones via SSH, now the existing shells
hang (for very long times, responding only occasionally), and while they
are hung, new SSH sessions can't be opened at all.

The same program never caused any problems on our other Alpha, which
is a Personal Workstation 500au with the same 4.0F OS version.

The application in question is XDS
(http://www.mpimf-heidelberg.mpg.de/~kabsch/xds/).
It causes no problems on x86 Linux or SGI, and we haven't seen this kind
of AFS problem with the XP1000 in any other circumstances than those
involving the running of this program.

We would be very grateful for any insight the OpenAFS developers may be
able to give on this matter.

-- 
Atro Tossavainen (Mr.)               / The Institute of Biotechnology at
Systems Analyst, Techno-Amish &     / the University of Helsinki, Finland,
+358-9-19158939  UNIX Dinosaur     / employs me, but my opinions are my own.
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