On Wed, Oct 20, 2010 at 10:17:49AM +0200, Adam Skowronek wrote:
> I'm building a cluster containing two nodes with seperate common storage
> server.
> On storage server i have volume with ocfs2 fs which is sharing this
> volume via iscsi target.
>
> When node connected to the target i can local mount volume on node and
> using it.
I'm not sure what you mean here. I think you are saying:
- The host storage_machine has a disk exported via scst.
- The hosts node1 and node2 see that disk via iscsi.
- The host nod1 can mount the ocfs2 volume and use it just fine.
> Unfortunately. on storage server ocfs2 logged to dmesg:
>
> Oct 19 22:21:02 storage kernel: [ 1510.424144]
> (o2hb-2283B3335E,4427,0):o2hb_do_disk_heartbeat:770 ERROR: Device
> "sda1": another node is heartbeating in our slot!
> Oct 19 22:21:02 storage kernel: [ 1510.428600] o2net: connection to node
> node-2 (num 0) at 192.168.1.69:7777 shutdown, state 7
It looks like you have also mounted the ocfs2 volume on the
storage_machine host via its regular disk. You cannot do this, because
the iscsi software caches data that the ocfs2 driver won't see in
/dev/sda1.
If you want to mount the volume on storage_machine as well, you
will have to export the disk back to itself via iscsi.
Joel
--
"Not everything that can be counted counts, and not everything
that counts can be counted."
- Albert Einstein
Joel Becker
Senior Development Manager
Oracle
E-mail: joel.bec...@oracle.com
Phone: (650) 506-8127
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