Hi, It is EL 6.5. For Version: 1.1.10-5.el7-9abe687 it is the output posted in redhat document. -- >>>> https://access.redhat.com/site/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Configuring_the_Red_Hat_High_Availability_Add-On_with_Pacemaker/ap-configfile-HAAR.html
Thank you very much. Thanachit Sent from my iPad > On 16 มิ.ย. 2557, at 23:24, Digimer <li...@alteeve.ca> wrote: > > The subject says 6.5, so we need Thanachit to clarify. > > If EL7, then no, there is no cman. You can use pcsd to form the cluster > initially, but also, that version should not attempt to start cman at all, so > I am still thinking it is RHEL/CentOS 6. > >> On 16/06/14 12:20 PM, emmanuel segura wrote: >> From the previous output i seen this "Version: 1.1.10-5.el7-9abe687", >> so my question is "cman is used on redhat7?" >> >> 2014-06-16 18:10 GMT+02:00 Digimer <li...@alteeve.ca>: >>> You need to setup a skeleton cluster.conf file. You can use the 'ccs' tool, >>> here is an example (I use for my cluster, adjust the names to suit): >>> >>> ccs -f /etc/cluster/cluster.conf --createcluster an-anvil-04 >>> ccs -f /etc/cluster/cluster.conf --setcman two_node="1" expected_votes="1" >>> ccs -f /etc/cluster/cluster.conf --addnode an-a04n01.alteeve.ca >>> ccs -f /etc/cluster/cluster.conf --addnode an-a04n02.alteeve.ca >>> ccs -f /etc/cluster/cluster.conf --addfencedev pcmk agent=fence_pcmk >>> ccs -f /etc/cluster/cluster.conf --addmethod pcmk-redirect >>> an-a04n01.alteeve.ca >>> ccs -f /etc/cluster/cluster.conf --addmethod pcmk-redirect >>> an-a04n02.alteeve.ca >>> ccs -f /etc/cluster/cluster.conf --addfenceinst pcmk an-a04n01.alteeve.ca >>> pcmk-redirect port=an-a04n01.alteeve.ca >>> ccs -f /etc/cluster/cluster.conf --addfenceinst pcmk an-a04n02.alteeve.ca >>> pcmk-redirect port=an-a04n02.alteeve.ca >>> ccs -f /etc/cluster/cluster.conf --setfencedaemon post_join_delay="30" >>> >>> hth >>> >>> >>>> On 16/06/14 07:13 AM, Thanachit Wichianchai wrote: >>>> >>>> Hello Pacemaker guys, >>>> >>>> I am doing a proof of concept of active/passive HA cluster on RHEL 6.5 >>>> Since the customer who I am working for will finally get support from >>>> Red Hat. Therefore, I am trying to comply with Red Hat Documentation. >>>> as stated in several places that on RHEL 6.5 - pacemaker is now >>>> supported with CMAN stack. >>>> >>>> I started configuring things by following steps describe in >>>> >>>> https://access.redhat.com/site/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Configuring_the_Red_Hat_High_Availability_Add-On_with_Pacemaker/ap-configfile-HAAR.html >>>> document. This document provides configuration steps by using pcs >>>> command. no ccs or crmsh commands at all. >>>> >>>> After I have created cluster. I can start cluster services on node1 but >>>> cannot start it on node2 - there error is /etc/cluster/cluster.conf is >>>> not there on node2 >>>> >>>> pcs cluster start >>>> Starting Cluster... >>>> Starting cluster: >>>> Checking if cluster has been disabled at boot... [ OK ] >>>> Checking Network Manager... [ OK ] >>>> Global setup... [ OK ] >>>> Loading kernel modules... [ OK ] >>>> Mounting configfs... [ OK ] >>>> Starting cman... xmlconfig cannot find /etc/cluster/cluster.conf >>>> [FAILED] >>>> Stopping cluster: >>>> Leaving fence domain... [ OK ] >>>> Stopping gfs_controld... [ OK ] >>>> Stopping dlm_controld... [ OK ] >>>> Stopping fenced... [ OK ] >>>> Stopping cman... [ OK ] >>>> Unloading kernel modules... [ OK ] >>>> Unmounting configfs... [ OK ] >>>> >>>> Error: unable to start cman >>>> >>>> pcs cluster status command output on node1 shows "cman" stack >>>> >>>> pcs cluster status >>>> Cluster Status: >>>> Last updated: Mon Jun 16 15:31:53 2014 >>>> Last change: Mon Jun 16 14:23:04 2014 via crmd on rhcs1.localdomain >>>> Stack: cman >>>> Current DC: rhcs1.localdomain - partition with quorum >>>> Version: 1.1.10-14.el6-368c726 >>>> 2 Nodes configured >>>> 0 Resources configured >>>> >>>> PCSD Status: >>>> Error: no nodes found in corosync.conf >>>> >>>> >>>> but from the aforementioned document from Red Hat. the stack is corosync. >>>> >>>> [root@z1 ~]#*|pcs cluster status|* >>>> >>>> Cluster Status: >>>> Last updated: Thu Jul 25 13:01:26 2013 >>>> Last change: Thu Jul 25 13:04:45 2013 via crmd onz2.example.com >>>> <http://z2.example.com> >>>> Stack: corosync >>>> Current DC:z2.example.com <http://z2.example.com> (2) - partition with >>>> quorum >>>> >>>> Version: 1.1.10-5.el7-9abe687 >>>> 2 Nodes configured >>>> 0 Resources configured >>>> >>>> >>>> from the 2 incidents above, I am not sure whether I am on the right path. >>>> >>>> My PoC objectives are to >>>> >>>> >>>> 1. configure Active/Passive HA cluster on RHEL 6.5 >>>> >>>> 2. Get Full Support from Red Hat on both OS and High Availability Add-on >>>> >>>> >>>> 3. choose HA Cluster software and stacks which has a future. I expect to >>>> have more than 5 years support from Red Hat and Community. >>>> >>>> >>>> I found this quick start guide for redhat on cluster >>>> labshttp://clusterlabs.org/quickstart-redhat.html >>>> >>>> >>>> >>>> I am not sure whether I should use ccs command to create cluster first and >>>> use pcs to manage resource. >>>> >>>> on more question, I see corosync will be supported in RHEL7. Can I use >>>> only corosync with pacemaker in RHEL 6.5? Will I get support from Red Hat ? >>>> >>>> >>>> Could you guys please help advise? Thanks a lot. >>>> >>>> >>>> >>>> -- >>>> >>>> Thanachit Wichianchai / IT Specialist - RHCSA, RHCE >>>> +66 87 696 5522/ thanachit [at] acm.org >>>> <mailto:thanachit%20[at]%20acm.org> >>>> >>>> http://hi.im/thanachit >>>> >>>> Google Plus <https://plus.google.com/u/0/102459307371925233265/posts> >>>> Linkedin <http://th.linkedin.com/in/thanachit> >>>> >>>> >>>> >>>> >>>> _______________________________________________ >>>> Pacemaker mailing list: Pacemaker@oss.clusterlabs.org >>>> http://oss.clusterlabs.org/mailman/listinfo/pacemaker >>>> >>>> Project Home: http://www.clusterlabs.org >>>> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf >>>> Bugs: http://bugs.clusterlabs.org >>> >>> >>> -- >>> Digimer >>> Papers and Projects: https://alteeve.ca/w/ >>> What if the cure for cancer is trapped in the mind of a person without >>> access to education? >>> >>> >>> _______________________________________________ >>> Pacemaker mailing list: Pacemaker@oss.clusterlabs.org >>> http://oss.clusterlabs.org/mailman/listinfo/pacemaker >>> >>> Project Home: http://www.clusterlabs.org >>> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf >>> Bugs: http://bugs.clusterlabs.org > > > -- > Digimer > Papers and Projects: https://alteeve.ca/w/ > What if the cure for cancer is trapped in the mind of a person without access > to education? > > _______________________________________________ > Pacemaker mailing list: Pacemaker@oss.clusterlabs.org > http://oss.clusterlabs.org/mailman/listinfo/pacemaker > > Project Home: http://www.clusterlabs.org > Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf > Bugs: http://bugs.clusterlabs.org _______________________________________________ Pacemaker mailing list: Pacemaker@oss.clusterlabs.org http://oss.clusterlabs.org/mailman/listinfo/pacemaker Project Home: http://www.clusterlabs.org Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf Bugs: http://bugs.clusterlabs.org
