https://wiki.tetrain.com/index.php?action=history&feed=atom&title=Forth_dimention_-_Tvs_tyre_Cluster 2026-07-25T08:31:27Z Revision history for this page on the wiki MediaWiki 1.43.9 https://wiki.tetrain.com/index.php?title=Forth_dimention_-_Tvs_tyre_Cluster&diff=2971&oldid=prev 2019-05-24T02:50:44Z

<p>Created page with &quot; Zimbra MailBox and MTA clustring • Zimbra Mailbox Clustering 1 Pacemaker: Install Install and Configure Linux High-Availability Cluster tool &quot;Pacemaker&quot;. ...&quot;</p> <p><b>New page</b></p><div><br /> Zimbra MailBox and MTA clustring<br /> • Zimbra Mailbox Clustering<br /> 1 Pacemaker: Install<br /> Install and Configure Linux High-Availability Cluster tool &quot;Pacemaker&quot;.<br /> Zimbra.tvstyres.com<br /> 10.25.2.78<br /> |<br /> +----------------------+ | +----------------------+<br /> | [ Node01 ] |10.25.2.125 |10.25.2.126 | [ Node02 ] |<br /> | TVSCZIMBRAMAIL-1 +----------+----------+ TVSCZIMBRAMAIL-2 |<br /> | | | |<br /> +----------------------+ +----------------------+<br /> 1.1 Install Pacemaker like follows on all Nodes.<br /> [root@gd9109 ~]# yum -y install pacemaker pcs<br /> [root@gd9109 ~]# systemctl start pcsd <br /> [root@gd9109 ~]# systemctl enable pcsd<br /> 1.2 Set password for cluster admin user<br /> # passwd hacluster <br /> Changing password for user hacluster.<br /> New password:<br /> Retype new password:<br /> passwd: all authentication tokens updated successfully.<br /> <br /> 1.3 Configure like follows on a Node.<br /> 1.3.1 Establish authorization<br /> # pcs cluster auth TVSCZIMBRAMAIL-1 TVSCZIMBRAMAIL-2<br /> Username: hacluster <br /> Password:<br /> TVSCZIMBRAMAIL-1 : Authorized<br /> TVSCZIMBRAMAIL-2 : Authorized<br /> 1.3.2 Configure cluster<br /> [root@gd9109 ~]# pcs cluster setup --name Mailbox-Cluster TVSCZIMBRAMAIL-1 TVSCZIMBRAMAIL-2<br /> Shutting down pacemaker/corosync services...<br /> Redirecting to /bin/systemctl stop pacemaker.service<br /> Redirecting to /bin/systemctl stop corosync.service<br /> Killing any remaining services...<br /> Removing all cluster configuration files...<br /> TVSCZIMBRAMAIL-1 : Succeeded<br /> TVSCZIMBRAMAIL-2: Succeeded<br /> <br /> 1.3.3 Start services for cluster<br /> # pcs cluster start --all <br /> TVSCZIMBRAMAIL-1 : Starting Cluster...<br /> TVSCZIMBRAMAIL-2: Starting Cluster...<br /> 1.3.4 Enable cluster<br /> # pcs cluster enable --all <br /> TVSCZIMBRAMAIL-1 : Cluster Enabled<br /> TVSCZIMBRAMAIL-2 : Cluster Enabled<br /> 1.3.5 Show status<br /> # pcs status corosync<br /> Membership information<br /> ----------------------<br /> Nodeid Votes Name<br /> 1 1 TVSCZIMBRAMAIL-1 (local)<br /> 2 1 TVSCZIMBRAMAIL-2<br /> <br /> 1.4 Show settings<br /> # pcs property list<br /> Cluster Properties:<br /> cluster-infrastructure: corosync<br /> cluster-name: Mailbox-Cluster<br /> dc-version: 1.1.13-10.el7-44eb2dd<br /> have-watchdog: false<br /> last-lrm-refresh: 1471967184<br /> stonith-action: reboot<br /> symmetric-cluster: on<br /> <br /> 2 Pacemaker: Add Resource<br /> 2.1 Set virtual IP address<br /> 2.1.1 IPv4 Resource:<br /> [root@gd9109 ~]# pcs resource create ClusterIP ocf:heartbeat:IPaddr2 ip=10.25.2.78 cidr_netmask=24 op monitor interval=30s<br /> <br /> <br /> 2.1.2 Zimbra Service resource: <br /> Copy attached zimbra resource script on both the server at “/usr/lib/ocf/resource.d/heartbeat” location. <br /> Click on add resource and Select type as zimbra, name for the resource will be “Zimbra_Service”<br /> And optional Arguments should be like below,<br /> binary = zmcontrol<br /> zimbra_dir = /opt/zimbra<br /> zimbra_user = zimbra<br /> zimbra_group = zimbra<br /> After filling above information click on apply:<br /> <br /> <br /> <br /> 2.2 Install required packages on all Nodes.<br /> [root@gd9109 ~]# yum -y install fence-agents-all lvm2-cluster gfs2-utils<br /> [root@gd9109 ~]# reboot<br /> 2.3 Add required resources. It&#039;s OK to set on a node.<br /> # pcs resource create dlm ocf:pacemaker:controld op monitor interval=30s on-fail=fence clone interleave=true ordered=true <br /> # pcs resource create clvmd ocf:heartbeat:clvm op monitor interval=30s on-fail=fence clone interleave=true ordered=true <br /> # pcs constraint order start dlm-clone then clvmd-clone <br /> # pcs constraint colocation add clvmd-clone with dlm-clone<br /> <br /> 3 Pacemaker: CLVM + GFS2<br /> 3.1 Create volumes on shared storage and format with GFS2. It&#039;s OK to set on a node. On this example, it is set on sdb and create partitions on it and set LVM type with fdisk.<br /> # pvcreate /dev/sdb1<br /> # vgcreate -cy vg_cluster /dev/sdb1<br /> # lvcreate -l100%FREE -n lv_cluster vg_cluster<br /> # mkfs.gfs2 -p lock_dlm -t ha_cluster:gfs2 -j 2 /dev/vg_cluster/lv_cluster<br /> <br /> 3.2 Add shared storage to cluster resource. It&#039;s OK to set on a node.<br /> [root@gd9109 ~]# pcs resource create fs_gfs2 Filesystem device=&quot;/dev/vg_cluster/lv_cluster&quot; directory=&quot;/opt/zimbra&quot; fstype=&quot;gfs2&quot; options=&quot;noatime,nodiratime&quot; op monitor interval=10s on-fail=fence clone interleave=true<br /> [root@gd9109 ~]# pcs constraint order start clvmd-clone then fs_gfs2-clone<br /> [root@gd9109 ~]# pcs constraint colocation add fs_gfs2-clone with clvmd-clone<br /> [root@gd9109 ~]# pcs constraint show<br /> Location Constraints:<br /> Ordering Constraints:<br /> start dlm-clone then start clvmd-clone (kind:Mandatory)<br /> start clvmd-clone then start fs_gfs2-clone (kind:Mandatory)<br /> start fs_gfs2-clone then start fs_bkp (kind:Mandatory)<br /> start fs_gfs2-clone then start Zimbra_Service (kind:Mandatory)<br /> Colocation Constraints:<br /> clvmd-clone with dlm-clone (score:INFINITY)<br /> fs_gfs2-clone with clvmd-clone (score:INFINITY)<br /> <br /> 4 Create Fence through vmware manager: <br /> # pcs stonith create rhevfence fence_vmware stonith-timeout=120 pcmk_host_map=&quot;TVSCZIMBRAMAIL-1:TVSCZIMBRAMAIL-1 TVSCZIMBRAMAIL-2:TVSCZIMBRAMAIL-2&quot; ipaddr=172.18.102.22 ssl=1 login=cadmin passwd=XXXXXXX</div>

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