Hi,

Depending on the openais version (please mention it) this behavior could happen, I've seen it as well, on openais-0.8.0. What I've done to fix it was to restart the openais process via /etc/init.d/openais restart. And then it worked, however, this was one of the reasons I updated the packages to the latest versions of corosync, pacemaker, etc. The tricky part was doing the migration procedure for upgrading production servers without service downtime, but that's another story.

Regards,

Dan

jiaju liu wrote:



    Message: 2
    Date: Tue, 12 Oct 2010 10:40:18 +0800 (CST)
    From: jiaju liu <[email protected]
    <http://cn.mc157.mail.yahoo.com/mc/[email protected]>>
    To: [email protected]
    <http://cn.mc157.mail.yahoo.com/mc/[email protected]>
    Subject: [Pacemaker] problem about move node from one cluster to
        another    cluster
    Message-ID: <[email protected]
    
<http://cn.mc157.mail.yahoo.com/mc/[email protected]>>
    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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--
Dan FRINCU
Systems Engineer
CCNA, RHCE
Streamwide Romania

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