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

[Sunil Mushran]

You cannot mount it simultaneously on a iscsi target (host) and a iscsi 
node.
But you can on multiple iscsi nodes.

Werner van der Walt wrote:
> Hi All,
>  
> Have been trying to set up ocfs2 on a machine that will act as a SAN.
> O/S used is Ubuntu 7.10 for both host and node. Mounting the shared 
> ocfs2 storage via iscsi target+initiator on the node and as a local 
> mount on the host. Everything installed perfectly. Modules are loaded 
> and services started. So far so good :)
> Problem comes in when booting the node and mounting the block device 
> there. It then starts giving an error on the host stating "Another 
> node is heartbeating in our slot". The error number given is 767. If I 
> do a mount and look at the settings on both host and node then both 
> states that the device has been mounted and heartbeat=local. Also if 
> looking at the mounted.ocfs2 -f it is empty but if I do a 
> mounted.ocfs2 -f /dev/sdc then it shows just the node details and not 
> also the host details as mounted even though it is mounted on the host 
> and accessible (I can cd into the dir on the host and see the contents 
> created on the node).
> The moment I umount on the node then the error messages stop on the 
> host. It remains mounted on the host as I can cd into it even though 
> the mounted.ocfs2 -f /dev/sdb shows nothing mounted.
>  
> Any advice? I have been googling the whole day for info on using ocfs2 
> and iscsi together and the correct procedure to follow but can't find 
> anything of value. In the ocfs2 user guide it states you can export 
> via NFS but doesn't mention iscsi in any way. Also what is unclear to 
> me is how are you suppose to mount a remote file system if you are not 
> making use of something like iscsi, or is it always automatically 
> assumed that the different nodes are all directly attached to the 
> storage? In the guide they just always refer to local block devices in 
> the procedure descriptions but they don't show you how those devices 
> got there?
>  
> Thanks for the assistance.
>  
> Werner
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