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

[Andrew (Anything)]

Hi.

I too had the same problem.

But through a random google searching one day I discovered that Mark Fasesh
had pointed out the following:
> Yes. The node you export the iscsi drive (your iscsi target, or 'san' in
> this example) can not run ocfs2 on that drive alongside other nodes who
have
> it mounted via the iscsi client. This is a limitation in that the iscsi
> target does not share the same pages against the iscsi device and the
block
> device.
http://oss.oracle.com/pipermail/ocfs2-users/2006-December/001146.html

A reply suggested that you could mount the iscsi disk by using an initiator
and target on the same machine. Then mount it from the 2nd also.
I have found this to work.
And have been able to have drbd on 2 machines, and iscsi export the disk to
a third machine. The 3 nodes work seemingly fine.


But am having other iscsi issues preventing me from using it in a production
environment.
I have found that if the iscsi target goes missing during the initiator's
mid write, the initiator experiences soft lockups and never recovers. Even
in a multipath environment.
Does anyone here have any ideas to solving this?

I was about 5mins away from posting on the open-iscsi forum to see what
anyone says, when I saw your email in this thread.



> Subject: [Ocfs2-users] another node is heartbeating in our slot
> 
> Hi members,
> Newbie. Help pls.
> 
> My setup:
> system 1: opensuse 11.1 with iscsitarget (secondary hard drive with
> logical volume) + ocfs2
> system 2: opensuse 11.1 with open-iscsi (detects the logical volume on
> system 1) + ocfs2
> 
> 1) mount -t ocfs /dev/sdb /u01/oradata/orcl  (on system 2) i have this
> entry made to /etc/fstab as well as /etc/init.d/boot.local but the
> detection of logical volume /dev/sdb during bootup takes place after
> the mount commands have surpassed and hence the mount fails. Are there
> any other options other than for manual mount after logon ?
> 
> 2) once i manually mount /dev/sdb on system 2 with mount -t ocfs
> /dev/sdb /u01/oradata/orcl i receive the following error on system 1:
> another node is heartbeating in our slot error.
> 
> Any help is greatly appreicated.
> 

Andy..