[Pacemaker] Pacemaker cluster with different operating systems
Andrew Beekhof
andrew at beekhof.net
Thu Mar 7 04:08:33 EST 2013
On Thu, Mar 7, 2013 at 6:01 PM, Osman Findik <Osman.Findik at telenity.com> wrote:
> Hi Andrew,
> Yes, I added "pcmk" file under "/etc/corosync/service.d/" folder.
> Since you think the setup should work, here are the details of the problem.
> Could you please check for any problem? I hope I have given enough information about the setup and problem.
use crm_report to create a tarball for the period covered by your test
>
> [root at pmidea1 ~]# more /etc/redhat-release
> Red Hat Enterprise Linux Server release 6.2 (Santiago)
> [root at pmidea1 ~]# rpm -qa|egrep "corosync|pacemaker"
> pacemaker-libs-1.1.8-4.el6.x86_64
> corosync-1.4.3-26.2.x86_64
> pacemaker-cluster-libs-1.1.8-4.el6.x86_64
> corosynclib-1.4.3-26.2.x86_64
> pacemaker-cli-1.1.8-4.el6.x86_64
> pacemaker-1.1.8-4.el6.x86_64
> [root at pmidea1 ~]# more /etc/corosync/service.d/pcmk
> service {
> name: pacemaker
> ver: 1
> }
>
> [root at pmidea2 ~]# more /etc/redhat-release
> Red Hat Enterprise Linux Server release 6.2 (Santiago)
> [root at pmidea2 ~]# rpm -qa|egrep "corosync|pacemaker"
> pacemaker-libs-1.1.8-4.el6.x86_64
> corosync-1.4.3-26.2.x86_64
> pacemaker-cluster-libs-1.1.8-4.el6.x86_64
> corosynclib-1.4.3-26.2.x86_64
> pacemaker-cli-1.1.8-4.el6.x86_64
> pacemaker-1.1.8-4.el6.x86_64
> [root at pmidea2 ~]# more /etc/corosync/service.d/pcmk
> service {
> name: pacemaker
> ver: 1
> }
>
> [root at pmosidea ~]# more /etc/redhat-release
> Red Hat Enterprise Linux Server release 5.5 (Tikanga)
> [root at pmosidea ~]# rpm -qa|egrep "corosync|pacemaker"
> pacemaker-cluster-libs-1.1.8-2.el5
> corosynclib-1.4.1-7.el5.1
> pacemaker-1.1.8-2.el5
> corosync-1.4.1-7.el5.1
> pacemaker-cli-1.1.8-2.el5
> pacemaker-libs-1.1.8-2.el5
> [root at pmosidea ~]# more /etc/corosync/service.d/pcmk
> service {
> name: pacemaker
> ver: 1
> }
>
> Corosync membership:
> --------------------
> [root at pmidea1 ~]# corosync-objctl | grep member
> totem.interface.member.memberaddr=10.34.38.46
> totem.interface.member.memberaddr=10.34.38.47
> totem.interface.member.memberaddr=10.34.38.48
> runtime.totem.pg.mrp.srp.members.791028234.ip=r(0) ip(10.34.38.47)
> runtime.totem.pg.mrp.srp.members.791028234.join_count=1
> runtime.totem.pg.mrp.srp.members.791028234.status=joined
> runtime.totem.pg.mrp.srp.members.774251018.ip=r(0) ip(10.34.38.46)
> runtime.totem.pg.mrp.srp.members.774251018.join_count=1
> runtime.totem.pg.mrp.srp.members.774251018.status=joined
> runtime.totem.pg.mrp.srp.members.807805450.ip=r(0) ip(10.34.38.48)
> runtime.totem.pg.mrp.srp.members.807805450.join_count=1
> runtime.totem.pg.mrp.srp.members.807805450.status=joined
>
> [root at pmosidea ~]# corosync-objctl | grep member
> totem.interface.member.memberaddr=10.34.38.46
> totem.interface.member.memberaddr=10.34.38.47
> totem.interface.member.memberaddr=10.34.38.48
> runtime.totem.pg.mrp.srp.members.774251018.ip=r(0) ip(10.34.38.46)
> runtime.totem.pg.mrp.srp.members.774251018.join_count=1
> runtime.totem.pg.mrp.srp.members.774251018.status=joined
> runtime.totem.pg.mrp.srp.members.791028234.ip=r(0) ip(10.34.38.47)
> runtime.totem.pg.mrp.srp.members.791028234.join_count=1
> runtime.totem.pg.mrp.srp.members.791028234.status=joined
> runtime.totem.pg.mrp.srp.members.807805450.ip=r(0) ip(10.34.38.48)
> runtime.totem.pg.mrp.srp.members.807805450.join_count=1
> runtime.totem.pg.mrp.srp.members.807805450.status=joined
>
> crm_mon outputs:
> ----------------
> From pmidea1:
> -------------
> Last updated: Thu Mar 7 08:53:25 2013
> Last change: Thu Mar 7 02:47:51 2013 via crmd on pmidea2
> Stack: openais
> Current DC: pmidea2 - partition with quorum
> Version: 1.1.8-4.el6-394e906
> 3 Nodes configured, 2 expected votes
> 0 Resources configured.
>
>
> Online: [ pmidea1 pmidea2 ]
> OFFLINE: [ pmosidea ]
>
> From pmosidea:
> --------------
> Last updated: Thu Mar 7 08:53:21 2013
> Last change: Thu Mar 7 03:16:50 2013 via crmd on pmosidea
> Stack: openais
> Current DC: pmosidea - partition WITHOUT quorum
> Version: 1.1.8-2.el5-394e906
> 3 Nodes configured, 2 expected votes
> 0 Resources configured.
>
>
> Node pmidea1: pending
> Node pmidea2: pending
> Online: [ pmosidea ]
>
>
>
>
>
> -----Original Message-----
> From: pacemaker-request at oss.clusterlabs.org [mailto:pacemaker-request at oss.clusterlabs.org]
> Sent: 07 Mart 2013 Perşembe 08:02
> To: pacemaker at oss.clusterlabs.org
> Subject: Pacemaker Digest, Vol 64, Issue 30
>
> ------------------------------
>
> Message: 2
> Date: Thu, 7 Mar 2013 16:36:17 +1100
> From: Andrew Beekhof <andrew at beekhof.net>
> To: The Pacemaker cluster resource manager
> <pacemaker at oss.clusterlabs.org>
> Subject: Re: [Pacemaker] Pacemaker cluster with different operating
> systems
> Message-ID:
> <CAEDLWG2cLNUax9ANhJ2xvzdhN6sk8SteUGw0vB0E-VT1EQnLbg at mail.gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1
>
> On Thu, Mar 7, 2013 at 4:09 PM, Osman Findik <Osman.Findik at telenity.com> wrote:
>> Hi all,
>> We are using pacemaker with RHEL 6.2 successfully to manage pair of
>> MySQL databases. Pacemaker is coming from Red Hat High Availability Add-on. Its version is 1.1.6 Our need is to add an observer to this cluster but our existing servers are all RHEL 5.x servers. We could not locate same version of pacemaker in clusterlabs repo.
>> So we tried to install provided rpms from clusterlabs repo to RHEL 5.5 and RHEL 6.2 servers.
>> Provided rpm version for RHEL 5 is pacemaker 1.1.8.2.
>> Provided rpm version for RHEL 6 is pacemaker 1.1.8.4.
>>
>> In this setup although servers are members of the cluster over corosync, they could not see each other from pacemaker.
>> I also tried to install 1.1.8.1 rpm packages in order to use same pacemaker releases, but that is also failed.
>>
>> Before giving details of the errors, my question is do you think a hybrid setup with different OSs (RHEL 5.x and RHEL 6.x) is possible?
>
> It should be.
> You're using the pacemaker plugin for corosync?
>
>
>
> ------------------------------
>
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