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[Cluster-devel] fatal: assertion "!atomic_read(&gl->gl_ail_count)" failed



Hello,

I'm trying to use GFS2. I'm trying to use all latest parts- so I've
tried it using Fedora 7 test1 with a check out from CVS, and I've also
tried Fedora 6. I have an equal lack of success with both.

My set up is that I am trying to set up a simple cluster featuring two
servers attached using open-iSCSI to a backend SAN. The iSCSI part works
fine- I have the drive as a device on both computers. I'm using the
iSCSI that comes with the linux distro. I've turned off SELinux. I'm
using DLM locking 

When I've got both servers attached to it works for a short while (circa
10 seconds or so). 
What I typically do is create files and then delete them from the two
servers. After a while I get this....

Feb 23 15:54:28 a kernel: GFS2: fsid=: Trying to join cluster
"lock_dlm", "alpha_cluster:a"
Feb 23 15:54:28 a kernel: GFS2: fsid=alpha_cluster:a.0: Joined cluster.
Now mounting FS...
Feb 23 15:54:28 a kernel: GFS2: fsid=alpha_cluster:a.0: jid=0, already
locked for use
Feb 23 15:54:28 a kernel: GFS2: fsid=alpha_cluster:a.0: jid=0: Looking
at journal...
Feb 23 15:54:28 a kernel: GFS2: fsid=alpha_cluster:a.0: jid=0: Done
Feb 23 15:54:55 a kernel: GFS2: fsid=alpha_cluster:a.0: fatal: assertion
"!atomic_read(&gl->gl_ail_count)" failed
Feb 23 15:54:55 a kernel: GFS2: fsid=alpha_cluster:a.0:   function =
gfs2_meta_inval, file = fs/gfs2/meta_io.c, line = 101
Feb 23 15:54:55 a kernel: GFS2: fsid=alpha_cluster:a.0: about to
withdraw this file system
Feb 23 15:54:55 a kernel: GFS2: fsid=alpha_cluster:a.0: telling LM to
withdraw

At that point, this server can't look at the mount point anymore.

Can anyone offer any assistance?
 
David

Griffin Information Systems Ltd
20 St Christopher's Way,
Pride Park,
Derby
DE24 8JY 
www.griffin.com <http://www.griffin.com/>  

Registered in England and Wales. Company Registration Number: 3676297. 

 


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