Hi Everyone, Thank you very much for your help ! I will follow clusterlabs.org's quickstart guide. :)
Thanachit W. On Tue, Jun 17, 2014 at 2:10 AM, emmanuel segura <emi2f...@gmail.com> wrote: > So Document examples for redhat 6 made it with Redhat 7 :) > > 2014-06-16 19:58 GMT+02:00 Thanachit Wichianchai < > thanachi...@googlemail.com>: > > 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 > > > > -- > esta es mi vida e me la vivo hasta que dios quiera > > _______________________________________________ > 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 > -- Thanachit Wichianchai / IT Specialist - RHCSA, RHCE +66 87 696 5522/ thanachit [at] acm.org http://hi.im/thanachit [image: Google Plus] <https://plus.google.com/u/0/102459307371925233265/posts> [image: 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
