Have you mkfs'd the filesystem with enough journals for each machine? If
you only created one journal I guess it'd do this...
Stephen
Bavington, Carl wrote:
Robert,
I am also seeing the hang on a second mount, No errors reported in
logs. Did you get an answer?.
Thanks,
Carl Bavington
mob +44 (0)7793 758327
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*From:* linux-cluster-bounces@xxxxxxxxxx
[mailto:linux-cluster-bounces@xxxxxxxxxx] *On Behalf Of *Robert
*Sent:* 26 July 2004 16:47
*To:* linux-cluster@xxxxxxxxxx
*Subject:* [Linux-cluster] GFS: FS Mount Issues
All,
I have a question regarding the latest implementation of GFS 6.0 with
RedHat Linux 3.0 Enterprise. What my company has going on is this: We
have a SAN project coming up but we do not have the SAN or a similar
type shared storage device available. We have the node machines on
hand and are trying to work through the GFS implementation as we are
new to GFS (We have run RedHat Linux since version 5.0 and all the
flavors in between.). We have tried to simulate the SAN environment by
utilizing the GNBD software and we have followed the instructions
available at:
http://www.redhat.com/docs/manuals/csgfs/admin-guide/s1-ex-slm-ext-gnbd.html
This is the LOCK_GULM, SLM External, and GNBD example of GFS.
We have not had any problems getting the shared devices, pools, and
filesystems created as followed in the documentation. What we have
happening is that when we mount the GFS filesystem on one node and
then we try and mount the filesystem on the second node, the second
node will hang when issued the command to mount the filesystem. No
errors are reported on console or in logs. No errors are reported in
the Lock Server either. Everything appears to be working correctly as
the log information for both machines at that instant are the same,
ie, the one that is hung, has the same log messages as the one that is
not hung.
When I go to node one, with node two still trying to mount the
filesystem, and unmount the filesystem, node two immediately finishes
the mount command and everything is fine with node two. However, when
trying to mount node one again, it just hangs and so on. It is only
allowing one node to mount the filesystem at once. The configuration
files are all the generic examples given in the documentation with the
fencing mechanism as GNBD (Tried fencing with manual and the same
situation exists with that method.). I can provide all configuration
files and also give log file information if this problem isn’t
something that experienced GFS users know what the problem may be.
Thank you all for your time.
Robert
Fidelity Communications
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