Which distribution is this? The distros it is working right now include
sles, opensuse, fedora, ubuntu and debian. We are not shipping all
the bits for rhel as yet.
On 02/11/2011 06:22 AM, Alain.Moulle wrote:
Hi,
I've tried to configure ocfs2.pcmk again with ocfs2 rpms 1.6.3.1
and rpms pacemaker-1.1.2-7.el6 & corosync-1.2.3-21.el6 :
I've configured the clone-dlm and the o2cb-dlm likewise I did
with 1.4.3-3 and with the export in /etc/init.d/corosync :
export
COROSYNC_DEFAULT_CONFIG_IFACE="openaisserviceenableexperimental:corosync_parser"
but when starting corosync , clone-dlm start successfully,
but on clone-o2cb the bringup_daemon fails , so I tried to start it manually
with -D and got:
ocfs2_controld.pcmk -D
ocfs2_controld[8533]: 2011/02/11_15:09:39 CRIT: get_cluster_type: This
installation of Pacemaker does not support the '(null)' cluster infrastructure.
Terminating.
whereas it was starting when using ocfs2 rpms 1.4.3-3 with same releases of
pacemaker and corosync.
Any idea ?
Thanks a lot.
Alain
Sunil Mushran a écrit :
On 02/08/2011 01:32 AM, Alain.Moulle wrote:
OK but what I wonder now is :
is OCFS2 really capable of fencing an adjacent node ?
or is it only capable of "node self-fencing" ?
I thought that ocfs2 was only capable of "node self-fencing" because
there is no configuration of any fencing device (i.e. ipmi ,etc.) in the
ocfs2 configuration, so a node can't fence another node as in a HA
software (like Cluster Suite, Pacemaker, etc.)
So only "node self-fencing" possibility , right ?
So, in case of linkcom breakdown, you seem to tell me that
only the slave node will self-fence , and we can't really know
which one of both nodes will self-fence as we can't know which
one is the slave when the linkcom breakdown happens , right ?
Note that while ocfs2 comes with a default cluster stack called o2cb
it can also be configured to work with pacemaker and cman.
The previous answers were all relating to o2cb. And o2cb does not
support configurable fencing agents.
For that you'll have to use pcmk/cman. sles11, opensuse, fedora,
debian, ubuntu ship ocfs2 with pcmk/cman.
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