[Pacemaker] Pacemaker+LVM2+DLM+CLVMD under CentOS 5.3

Fri Nov 13 09:15:01 EST 2009

2009/11/12 Димитър Бойн <dboyn at postpath.com>

>  Thanks, Andrew!
>
> /sbin/dlm_controld is provided by cman-2.0.115-1.el5_4.2.x86_64
>

That version is not compatible with pacemaker. Sorry.

>
>
> However I am getting in /var/log/messages a lot of:
>
> "Nov 12 19:36:14 gppst1pbf001 dlm_controld[31980]: connect to ccs error
> -111, check ccsd or cluster status"
>
>
>
> And from ccsd:
>
> "Nov 12 19:38:33 gppst1pbf001 ccsd[16673]: Cluster is not quorate.
> Refusing connection.
>
> Nov 12 19:38:33 gppst1pbf001 ccsd[16673]: Error while processing connect:
> Connection refused
>
> Nov 12 19:38:34 gppst1pbf001 ccsd[16673]: Unable to connect to cluster
> infrastructure after 2280 seconds."
>
>
>
> My speculation here is that while my cluster is Pacemaker the defaults in
> CentOS expect RedHat clustering.
>
> Do you know how to rewire what is provided by RedHat to the Pacemaker
> context?
>
>
>
> In addition following RedHat cLVMD guide I configured in my lvm.conf:
>
> # Miscellaneous global LVM2 settings
>
> global {
>
>     library_dir = "/usr/lib64"
>
>     locking_library = "liblvm2clusterlock.so"
>
> ...  < text deleted > ...
>
>     locking_type = 2
>
> "
>
> But I could find liblvm2clusterlock.so installed - neither can yum find
> this provided by any package?
>
>
>
>
>
> Thanks once again!
>
>
>
>
>
> ./Dimitar Boyn
>
>
>
>
>
>
>
>
>
> *From:* Andrew Beekhof [mailto:andrew at beekhof.net]
> *Sent:* Thursday, November 12, 2009 6:01 AM
> *To:* pacemaker at clusterlabs.org
> *Cc:* pacemaker at clusterlabs.org
> *Subject:* Re: [Pacemaker] Pacemaker+LVM2+DLM+CLVMD under CentOS 5.3
>
>
>
>
>
> 2009/11/11 Димитър Бойн <dboyn at postpath.com>
>
> Hi,
>
> Has anybody successfully configured Pacemaker+LVM2+DLM+CLVMD under CentOS
> 5.3?
>
>
>
> I don't think the kernel for 5.3 is recent enough.
>
> The DLM needs 2.6.27 or greater.
>
>
>
>  I am running pacemaker-1.0.4-23.1 previously available  from
> http://download.opensuse.org/repositories/server:/ha-clustering/CentOS_5/x86_64/
>
> I need to enable cluster controlled LVM locking.
>
> Novel have released a great document at
> http://www.novell.com/documentation/sle_ha/pdfdoc/book_sleha/book_sleha.pdf
>
> -          however CentOS repository is missing the appropriate
> lvm2-cluster related packages.
>
> I tried "compromising" by using from CentOS:
>
> For DLM:
>
> cman-2.0.98-1.el5.x86_64.rpm
>
> perl-XML-LibXML-Common-0.13-8.2.2.x86_64.rpm
>
> pexpect-2.3-1.el5.noarch.rpm
>
> perl-Net-Telnet-3.03-5.noarch.rpm
>
> perl-XML-NamespaceSupport-1.09-1.2.1.noarch.rpm
>
> perl-XML-LibXML-1.58-5.x86_64.rpm
>
> perl-XML-SAX-0.14-5.noarch.rpm
>
>
>
> For LVM2-Cluster
>
> lvm2-2.02.46-8.el5.x86_64.rpm
>
> device-mapper-1.02.32-1.el5.i386.rpm
>
> device-mapper-event-1.02.32-1.el5.x86_64.rpm
>
> lvm2-cluster-2.02.46-8.el5.x86_64.rpm
>
> device-mapper-1.02.32-1.el5.x86_64.rpm
>
>
>
> But I fail starting dlm resource
>
>
>
> primitive dlm ocf:pacemaker:controld \
>
>         meta target-role="Started"
>
> clone dlm-clone dlm \
>
>         meta target-role="Started" interleave="true" ordered="true"
>
>
>
> #crm_verify -LV
>
> crm_verify[21447]: 2009/11/11_02:51:05 ERROR: unpack_rsc_op: Hard error -
> dlm:0_monitor_0 failed with rc=5: Preventing dlm-clone from re-starting on
> gppst1mlb001
>
> crm_verify[21447]: 2009/11/11_02:51:05 ERROR: unpack_rsc_op: Hard error -
> dlm:0_monitor_0 failed with rc=5: Preventing dlm-clone from re-starting on
> gppst1pbf001
>
> crm_verify[21447]: 2009/11/11_02:51:05 ERROR: unpack_rsc_op: Hard error -
> dlm:0_monitor_0 failed with rc=5: Preventing dlm-clone from re-starting on
> gppst1node003
>
>
>
> Any ideas are highly appreciated!
>
>
>
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>
> *Dimitar Boyn*
> *Technical Marketing Engineer*
> *Collaboration Software Group
> *
> diboyn at cisco.com
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