Jaap Dijkshoorn wrote:
Hi All,
We are running a GFS / NFS cluster with 5 fileservers. Each server
exports the same storage as a different NFS server. nfs1, nfs2....nfs5
On nodes that mount on nfs1 we have the following problem:
root# ls -l
ls: CHGCAR: No such file or directory
ls: CHG: No such file or directory
ls: WAVECAR: No such file or directory
total 17616
-rw------- 1 xxxxxxxx yyy 1612 Sep 26 15:43 CONTCAR
-rw------- 1 xxxxxxxx yyy 167 Sep 26 14:11 DOSCAR
Other fileservers display the 3 missing files normally and they are
accessible. On the fileservers we also get these kind messages:
Look like NFS client side caching issue. What's the kernel version you
have in the nfs client machine (do a "uname -a")?
-- Wendy
h_update: A.TCNQ/CHGCAR already up-to-date!
fh_update: A.TCNQ/CHGCAR already up-to-date!
fh_update: A.TCNQ/CHGCAR already up-to-date!
fh_update: A.TCNQ/CHGCAR already up-to-date!
fh_update: A.TCNQ/WAVECAR already up-to-date!
fh_update: A.TCNQ/WAVECAR already up-to-date!
fh_update: A.TCNQ/WAVECAR already up-to-date!
fh_update: A+B/CHGCAR already up-to-date!
fh_update: A+B/CHGCAR already up-to-date!
fh_update: A+B/CHGCAR already up-to-date!
fh_update: A+B/WAVECAR already up-to-date!
I don't know where to start looking to trac this problem. If i reboot
the nfs1 server the problem is gone, but in time the problem comes back
with other files, until now on the same fileserver.
Maybe someone has seen this problem before?
We use GFS version CVS 1.0.3 stable. with kernel 2.6.17.11
Met vriendelijke groet, Kind Regards,
Jaap P. Dijkshoorn
Systems Programmer
mailto:jaap@xxxxxxx http://home.sara.nl/~jaapd
SARA Computing & Networking Services
Kruislaan 415 1098 SJ Amsterdam
Tel: +31-(0)20-5923000
Fax: +31-(0)20-6683167
http://www.sara.nl
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S. Wendy Cheng
wcheng@xxxxxxxxxx
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