[Ocfs2-users] Another node is heartbeating in our slot

[Sunil Mushran]

host1 and host2 are exporting one iscsi volume each.

node1 and node2 are discovering these exported iscsi volumes as sda and sdc
(for this example say the devnames are consistent on both the nodes).

cluster.conf will need to have the two nodes, node1 and node2 described as
a cluster.

host1 and host2 are not part of the cluster. (Unsure what you mean by 
pointing
to host1.)

mkfs.ocfs2 both volumes sda and sdc on any node and mount on both node1 
and node2.

Werner van der Walt wrote:
> Okay so we are in agreement then as per your second point that its multiple
> nodes with a single shared block device :)
>
> I am still unclear on your first point though...
> Scenario is as follows:
> - 2 x iSCSI hosts both exporting an iSCSI block device each (let's call it
> host1 and host2). The block devices are locally attached storage to each of
> the hosts so they are different block devices.
> - 2 x nodes attempting connection to both the iSCSI hosts at the same time.
> Setting both iSCSI connections up for each node is no problem as I just do a
> discovery per node for the two iSCSI targets and it gets added locally
> (let's say /dev/sdb and /dev/sdc).
> - I now need to set up OCFS2 for each of /dev/sdb and /dev/sdc to format the
> file systems and mount.
> - Configuring /etc/ocfs2/cluster.conf it only allows me to set up one
> cluster so I will point that to host1 on each of the nodes by giving it a
> cluster name of host1 and node numbers of 0 and 1 respectively.
>
> Now my problem is how do I create the OCFS2 cluster config file for host2
> and give it node numbers 0 and 1 again for the shared file system on host2?
> According to the docs I cannot do this in /etc/ocfs2/cluster.conf again a
> second time even if the cluster name details are different?
>
> Werner
>