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

Sunil Mushran Sunil.Mushran at oracle.com
Mon Dec 18 11:20:07 PST 2006


As per the config, your node names are 'san' and 'mail'.
Are the names the same as the hostname?

Do on both nodes:
# for i in /config/cluster/san/node/*/local ; do LOCAL=`cat $i`; if [ 
$LOCAL -eq 1 ] ; then echo $i; fi; done;

You should see /config/cluster/san/node/mail/local on mail and
/config/cluster/san/node/san/local on san.

For more, refer to the user's guide, faq sand the mount/umount support
guide in the doc section on http://oss.oracle.com/projects/ocfs2.

Patrick Donker wrote:
> Hi everybody,
> First of all, I am new to this list and ocfs2, so forgive my ignorance.
> Anyhow, what I'm doing is this:
> I'm experimenting on a 2 node debian etch shared fs and have installed 
> ocfs2-tools 1.2.1.
> The debs run on a vmware esx 3.0.0 server and are clones of a default 
> template.
> This is my cluster.conf:
> cluster:
>        node_count = 2
>        name = san         node:
>        ip_port = 7777
>        ip_address = 192.168.100.2
>        number = 0
>        name = mail         cluster = san         node:
>        ip_port = 7777
>        ip_address = 192.168.100.5
>        number = 1
>        name = san
>        cluster = san
>
> If I start and mount the fs on one of the nodes, everything goes fine. 
> However, as soon as I mount the fs on the other node I get a kernel 
> panic with this message:
>
> Dec 17 13:06:01 san kernel: (2797,0):o2hb_do_disk_heartbeat:854 ERROR: 
> Device "sdb": another node is heartbeating in our slot!
>
> mounted.ocfs2 -d on both nodes tell me this:
>
> /dev/sdb              ocfs2  6616a964-f474-4c5e-94b9-3a20343a7178
> fsck.ocfs2 -n /dev/sdb
>
> Checking OCFS2 filesystem in /dev/sdb:
>  label:              <NONE>
>  uuid:               66 16 a9 64 f4 74 4c 5e 94 b9 3a 20 34 3a 71 78
>  number of blocks:   26214400
>  bytes per block:    4096
>  number of clusters: 3276800
>  bytes per cluster:  32768
>  max slots:  16
>
> Somehow both nodes use the same slot to heartbeat in. Not sure what 
> causes this or how to change this. Please help me debug this problem 
> because I'm stuck.
>
> Thanks
> Patrick
>
>
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