[Linux-cluster] gfs2, kvm setup

[J. Bruce Fields]

On Thu, Jun 26, 2008 at 03:11:06PM -0400, bfields wrote:
> On Thu, Jun 26, 2008 at 02:35:29PM -0400, bfields wrote:
> > On Thu, Jun 26, 2008 at 10:27:33AM -0500, David Teigland wrote:
> > > This mount appears to have been successful.  Usual things to collect for
> > > debugging the other problems:
> > > - any errors in /var/log/messages from all nodes
> > > - cman_tool nodes; cman_tool status from all nodes
> > > - group_tool -v from all nodes
> > 
> > Thanks, I'll see what more information I can collect.
> 
> So, the first mount (on "piglet1") succeeds.  The second (on "piglet2")
> returns immediately without mounting, and leaves this in the logs:
> 
> 	gfs_controld[3035]: segfault at 0 ip 08051361 sp bfd88ae0 error 4 in gfs_controld[8048000+1d000]

Looking at the object file, that appears to be in purge_plocks().

After rerunning configure with --debug and rebuilding, the second mount
hangs instead of returning immediately without mounting.

--b.

> 	GFS2: fsid=: Trying to join cluster "lock_dlm", "piglet:test"
> 	lock_dlm: no mount options, (u)mount helpers not installed
> 	GFS2: fsid=: can't mount proto=lock_dlm, table=piglet:test, hostdata=
> 
> At this point, cman_tool nodes, status, and group_tool -v output from
> piglet 1 are:
> 
> Node  Sts   Inc   Joined               Name
>    1   M    128   2008-06-26 14:49:51  piglet1
>    2   M    132   2008-06-26 14:49:51  piglet2
>    3   M    136   2008-06-26 14:49:52  piglet3
>    4   M    132   2008-06-26 14:49:51  piglet4
> Version: 6.1.0
> Config Version: 1
> Cluster Name: piglet
> Cluster Id: 6838
> Cluster Member: Yes
> Cluster Generation: 136
> Membership state: Cluster-Member
> Nodes: 4
> Expected votes: 4
> Total votes: 4
> Quorum: 3  
> Active subsystems: 6
> Flags: Dirty 
> Ports Bound: 0  
> Node name: piglet1
> Node ID: 1
> Multicast addresses: 239.192.26.208 
> Node addresses: 192.168.122.129 
> type             level name     id       state node id local_done
> fence            0     default  00010004 none        
> [1 2 3 4]
> dlm              1     test     00020001 none        
> [1]
> gfs              2     test     00010001 none        
> [1 2]
> 
> From piglet2:
> 
> Node  Sts   Inc   Joined               Name
>    1   M    132   2008-06-26 14:49:52  piglet1
>    2   M    124   2008-06-26 14:49:51  piglet2
>    3   M    136   2008-06-26 14:49:52  piglet3
>    4   M    128   2008-06-26 14:49:51  piglet4
> Version: 6.1.0
> Config Version: 1
> Cluster Name: piglet
> Cluster Id: 6838
> Cluster Member: Yes
> Cluster Generation: 136
> Membership state: Cluster-Member
> Nodes: 4
> Expected votes: 4
> Total votes: 4
> Quorum: 3  
> Active subsystems: 6
> Flags: Dirty 
> Ports Bound: 0  
> Node name: piglet2
> Node ID: 2
> Multicast addresses: 239.192.26.208 
> Node addresses: 192.168.122.130 
> type             level name     id       state node id local_done
> fence            0     default  00010004 none        
> [1 2 3 4]
> gfs              2     test     00010001 none        
> [1 2]
> 
> From piglet3:
> Node  Sts   Inc   Joined               Name
>    1   M    136   2008-06-26 14:49:52  piglet1
>    2   M    136   2008-06-26 14:49:52  piglet2
>    3   M    124   2008-06-26 14:49:52  piglet3
>    4   M    136   2008-06-26 14:49:52  piglet4
> Version: 6.1.0
> Config Version: 1
> Cluster Name: piglet
> Cluster Id: 6838
> Cluster Member: Yes
> Cluster Generation: 136
> Membership state: Cluster-Member
> Nodes: 4
> Expected votes: 4
> Total votes: 4
> Quorum: 3  
> Active subsystems: 7
> Flags: Dirty 
> Ports Bound: 0  
> Node name: piglet3
> Node ID: 3
> Multicast addresses: 239.192.26.208 
> Node addresses: 192.168.122.131 
> type             level name     id       state node id local_done
> fence            0     default  00010004 none        
> [1 2 3 4]
> 
> From piglet4:
> Node  Sts   Inc   Joined               Name
>    1   M    132   2008-06-26 14:49:51  piglet1
>    2   M    128   2008-06-26 14:49:51  piglet2
>    3   M    136   2008-06-26 14:49:52  piglet3
>    4   M    124   2008-06-26 14:49:50  piglet4
> Version: 6.1.0
> Config Version: 1
> Cluster Name: piglet
> Cluster Id: 6838
> Cluster Member: Yes
> Cluster Generation: 136
> Membership state: Cluster-Member
> Nodes: 4
> Expected votes: 4
> Total votes: 4
> Quorum: 3  
> Active subsystems: 7
> Flags: Dirty 
> Ports Bound: 0  
> Node name: piglet4
> Node ID: 4
> Multicast addresses: 239.192.26.208 
> Node addresses: 192.168.122.132 
> type             level name     id       state node id local_done
> fence            0     default  00010004 none        
> [1 2 3 4]
> 
> --b.