[Pacemaker] problem about move node from one clusterto another cluster

[jiaju liu]

Message: 2
Date: Tue, 12 Oct 2010 10:40:18 +0800 (CST)
From: jiaju liu <liujiaju86 at yahoo.com.cn>
To: pacemaker at oss.clusterlabs.org
Subject: [Pacemaker] problem about move node from one cluster to
    another    cluster
Message-ID: <765547.4759.qm at web15704.mail.cnb.yahoo.com>
Content-Type: text/plain; charset="iso-8859-1"

hi everybody
I use command service openais stop first to stop openais service and then use rm -rf /var/lib/heartbear/crm/*? clear all information. then change multicast address and then use service openais start  in another cluster.
the problem is sometimes it works well I  can use crm_mon command. and sometimes it doesn't work. I use service openais status to check. It shows Running. but I can not use crm_mon to connect to cluster. 
I found the reason may be directory?/var/lib/heartbear/crm/ is empty. why??if I reboot ,it works again.WHY
 
Now when the is directory is not empty it sometimes also does not work.
when I use crm_mon it shows
Attempting connection to the cluster..........................
 
when I use crm node list it shows
Signon to CIB failed: connection failed
Init failed, could not perform requested operations
ERROR: cannot parse output of cibadmin -Ql -o nodes: no element found: line 1, column 0


      
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