redhat cluster cento6 improved

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[root@localhost Desktop]# yum groupinstall 'High Availability' 'resilient storage' 
Loaded plugins: fastestmirror, refresh-packagekit, security
Setting up Group Process
Loading mirror speeds from cached hostfile
 * base: centos.excellmedia.net
 * centos-sclo-rh: centos.excellmedia.net
 * centos-sclo-sclo: centos.excellmedia.net
 * extras: centos.excellmedia.net
 * updates: centos.excellmedia.net
Warning: Group luci does not exist.
Resolving Dependencies
--> Running transaction check
---> Package ccs.x86_64 0:0.16.2-87.el6 will be installed
---> Package cman.x86_64 0:3.0.12.1-84.el6 will be installed
--> Processing Dependency: ricci >= 0.15.0-4 for package: cman-3.0.12.1-84.el6.x86_64
--> Processing Dependency: openais >= 1.1.1-1 for package: cman-3.0.12.1-84.el6.x86_64
--> Processing Dependency: fence-virt >= 0.2.3-1 for package: cman-3.0.12.1-84.el6.x86_64
--> Processing Dependency: fence-agents >= 3.1.5-1 for package: cman-3.0.12.1-84.el6.x86_64
--> Processing Dependency: libSaCkpt.so.3(OPENAIS_CKPT_B.01.01)(64bit) for package: cman-3.0.12.1-84.el6.x86_64
--> Processing Dependency: libSaCkpt.so.3()(64bit) for package: cman-3.0.12.1-84.el6.x86_64
---> Package gfs2-utils.x86_64 0:3.0.12.1-84.el6 will be installed
---> Package lvm2-cluster.x86_64 0:2.02.143-12.el6_9.1 will be installed
---> Package omping.x86_64 0:0.0.4-1.el6 will be installed
---> Package rgmanager.x86_64 0:3.0.12.1-33.el6 will be installed
--> Processing Dependency: resource-agents >= 3.9.1-1 for package: rgmanager-3.0.12.1-33.el6.x86_64
--> Running transaction check
---> Package fence-agents.x86_64 0:4.0.15-13.el6_9.2 will be installed
--> Processing Dependency: sg3_utils for package: fence-agents-4.0.15-13.el6_9.2.x86_64
--> Processing Dependency: python-suds for package: fence-agents-4.0.15-13.el6_9.2.x86_64
--> Processing Dependency: pexpect for package: fence-agents-4.0.15-13.el6_9.2.x86_64
--> Processing Dependency: perl-Net-Telnet for package: fence-agents-4.0.15-13.el6_9.2.x86_64
--> Processing Dependency: perl(Net::Telnet) for package: fence-agents-4.0.15-13.el6_9.2.x86_64
--> Processing Dependency: net-snmp-utils for package: fence-agents-4.0.15-13.el6_9.2.x86_64
--> Processing Dependency: gnutls-utils for package: fence-agents-4.0.15-13.el6_9.2.x86_64
--> Processing Dependency: /usr/bin/virsh for package: fence-agents-4.0.15-13.el6_9.2.x86_64
--> Processing Dependency: /usr/bin/ipmitool for package: fence-agents-4.0.15-13.el6_9.2.x86_64
---> Package fence-virt.x86_64 0:0.2.3-24.el6 will be installed
---> Package openais.x86_64 0:1.1.1-7.el6 will be installed
---> Package openaislib.x86_64 0:1.1.1-7.el6 will be installed
---> Package resource-agents.x86_64 0:3.9.5-46.el6 will be installed
---> Package ricci.x86_64 0:0.16.2-87.el6 will be installed
--> Running transaction check
---> Package gnutls-utils.x86_64 0:2.12.23-22.el6 will be installed
---> Package ipmitool.x86_64 0:1.8.15-2.el6 will be installed
---> Package libvirt-client.x86_64 0:0.10.2-64.el6_10.2 will be installed
--> Processing Dependency: nc for package: libvirt-client-0.10.2-64.el6_10.2.x86_64
--> Processing Dependency: libyajl.so.1()(64bit) for package: libvirt-client-0.10.2-64.el6_10.2.x86_64
---> Package net-snmp-utils.x86_64 1:5.5-60.el6 will be installed
---> Package perl-Net-Telnet.noarch 0:3.03-11.el6 will be installed
---> Package pexpect.noarch 0:2.3-6.el6 will be installed
---> Package python-suds.noarch 0:0.4.1-3.el6 will be installed
---> Package sg3_utils.x86_64 0:1.28-13.el6 will be installed
--> Running transaction check
---> Package nc.x86_64 0:1.84-24.el6 will be installed
---> Package yajl.x86_64 0:1.0.7-3.el6 will be installed
--> Finished Dependency Resolution

Dependencies Resolved

================================================================================
 Package              Arch        Version                    Repository    Size
================================================================================
Installing:
 ccs                  x86_64      0.16.2-87.el6              base          57 k
 cman                 x86_64      3.0.12.1-84.el6            base         454 k
 gfs2-utils           x86_64      3.0.12.1-84.el6            base         329 k
 lvm2-cluster         x86_64      2.02.143-12.el6_9.1        base         529 k
 omping               x86_64      0.0.4-1.el6                base          34 k
 rgmanager            x86_64      3.0.12.1-33.el6            base         189 k
Installing for dependencies:
 fence-agents         x86_64      4.0.15-13.el6_9.2          base         193 k
 fence-virt           x86_64      0.2.3-24.el6               base          39 k
 gnutls-utils         x86_64      2.12.23-22.el6             base         109 k
 ipmitool             x86_64      1.8.15-2.el6               base         465 k
 libvirt-client       x86_64      0.10.2-64.el6_10.2         updates      4.1 M
 nc                   x86_64      1.84-24.el6                base          57 k
 net-snmp-utils       x86_64      1:5.5-60.el6               base         177 k
 openais              x86_64      1.1.1-7.el6                base         192 k
 openaislib           x86_64      1.1.1-7.el6                base          82 k
 perl-Net-Telnet      noarch      3.03-11.el6                base          56 k
 pexpect              noarch      2.3-6.el6                  base         147 k
 python-suds          noarch      0.4.1-3.el6                base         218 k
 resource-agents      x86_64      3.9.5-46.el6               base         389 k
 ricci                x86_64      0.16.2-87.el6              base         633 k
 sg3_utils            x86_64      1.28-13.el6                base         498 k
 yajl                 x86_64      1.0.7-3.el6                base          27 k

Transaction Summary
================================================================================
Install      22 Package(s)

Total download size: 8.8 M
Installed size: 28 M
Is this ok [y/N]: y
Downloading Packages:
(1/22): ccs-0.16.2-87.el6.x86_64.rpm                     |  57 kB     00:00 
(2/22): cman-3.0.12.1-84.el6.x86_64.rpm                  | 454 kB     00:02 
(3/22): fence-agents-4.0.15-13.el6_9.2.x86_64.rpm        | 193 kB     00:01 
(4/22): fence-virt-0.2.3-24.el6.x86_64.rpm               |  39 kB     00:00 
(5/22): gfs2-utils-3.0.12.1-84.el6.x86_64.rpm            | 329 kB     00:02 
(6/22): gnutls-utils-2.12.23-22.el6.x86_64.rpm           | 109 kB     00:00 
(7/22): ipmitool-1.8.15-2.el6.x86_64.rpm                 | 465 kB     00:03 
(8/22): libvirt-client-0.10.2-64.el6_10.2.x86_64.rpm     | 4.1 MB     00:31 
(9/22): lvm2-cluster-2.02.143-12.el6_9.1.x86_64.rpm      | 529 kB     00:03 
(10/22): nc-1.84-24.el6.x86_64.rpm                       |  57 kB     00:00 
(11/22): net-snmp-utils-5.5-60.el6.x86_64.rpm            | 177 kB     00:01 
(12/22): omping-0.0.4-1.el6.x86_64.rpm                   |  34 kB     00:00 
(13/22): openais-1.1.1-7.el6.x86_64.rpm                  | 192 kB     00:01 
(14/22): openaislib-1.1.1-7.el6.x86_64.rpm               |  82 kB     00:00 
(15/22): perl-Net-Telnet-3.03-11.el6.noarch.rpm          |  56 kB     00:00 
(16/22): pexpect-2.3-6.el6.noarch.rpm                    | 147 kB     00:01 
(17/22): python-suds-0.4.1-3.el6.noarch.rpm              | 218 kB     00:03 
(18/22): resource-agents-3.9.5-46.el6.x86_64.rpm         | 389 kB     00:05 
(19/22): rgmanager-3.0.12.1-33.el6.x86_64.rpm            | 189 kB     00:01 
(20/22): ricci-0.16.2-87.el6.x86_64.rpm                  | 633 kB     00:03 
(21/22): sg3_utils-1.28-13.el6.x86_64.rpm                | 498 kB     00:02 
(22/22): yajl-1.0.7-3.el6.x86_64.rpm                     |  27 kB     00:00 
--------------------------------------------------------------------------------
Total                                           115 kB/s | 8.8 MB     01:18 
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
  Installing : openaislib-1.1.1-7.el6.x86_64                               1/22
  Installing : openais-1.1.1-7.el6.x86_64                                  2/22
  Installing : gnutls-utils-2.12.23-22.el6.x86_64                          3/22
  Installing : nc-1.84-24.el6.x86_64                                       4/22
  Installing : ricci-0.16.2-87.el6.x86_64                                  5/22
  Installing : yajl-1.0.7-3.el6.x86_64                                     6/22
  Installing : libvirt-client-0.10.2-64.el6_10.2.x86_64                    7/22
  Installing : pexpect-2.3-6.el6.noarch                                    8/22
  Installing : resource-agents-3.9.5-46.el6.x86_64                         9/22
  Installing : perl-Net-Telnet-3.03-11.el6.noarch                         10/22
  Installing : 1:net-snmp-utils-5.5-60.el6.x86_64                         11/22
  Installing : sg3_utils-1.28-13.el6.x86_64                               12/22
  Installing : python-suds-0.4.1-3.el6.noarch                             13/22
  Installing : fence-virt-0.2.3-24.el6.x86_64                             14/22
  Installing : ipmitool-1.8.15-2.el6.x86_64                               15/22
  Installing : fence-agents-4.0.15-13.el6_9.2.x86_64                      16/22
Stopping kdump:[  OK  ]
Starting kdump:[  OK  ]
  Installing : cman-3.0.12.1-84.el6.x86_64                                17/22
  Installing : rgmanager-3.0.12.1-33.el6.x86_64                           18/22
  Installing : lvm2-cluster-2.02.143-12.el6_9.1.x86_64                    19/22
  Installing : omping-0.0.4-1.el6.x86_64                                  20/22
  Installing : ccs-0.16.2-87.el6.x86_64                                   21/22
  Installing : gfs2-utils-3.0.12.1-84.el6.x86_64                          22/22
  Verifying  : rgmanager-3.0.12.1-33.el6.x86_64                            1/22
  Verifying  : gfs2-utils-3.0.12.1-84.el6.x86_64                           2/22
  Verifying  : ipmitool-1.8.15-2.el6.x86_64                                3/22
  Verifying  : libvirt-client-0.10.2-64.el6_10.2.x86_64                    4/22
  Verifying  : fence-virt-0.2.3-24.el6.x86_64                              5/22
  Verifying  : python-suds-0.4.1-3.el6.noarch                              6/22
  Verifying  : sg3_utils-1.28-13.el6.x86_64                                7/22
  Verifying  : openais-1.1.1-7.el6.x86_64                                  8/22
  Verifying  : openaislib-1.1.1-7.el6.x86_64                               9/22
  Verifying  : 1:net-snmp-utils-5.5-60.el6.x86_64                         10/22
  Verifying  : ccs-0.16.2-87.el6.x86_64                                   11/22
  Verifying  : perl-Net-Telnet-3.03-11.el6.noarch                         12/22
  Verifying  : fence-agents-4.0.15-13.el6_9.2.x86_64                      13/22
  Verifying  : resource-agents-3.9.5-46.el6.x86_64                        14/22
  Verifying  : gnutls-utils-2.12.23-22.el6.x86_64                         15/22
  Verifying  : cman-3.0.12.1-84.el6.x86_64                                16/22
  Verifying  : omping-0.0.4-1.el6.x86_64                                  17/22
  Verifying  : pexpect-2.3-6.el6.noarch                                   18/22
  Verifying  : lvm2-cluster-2.02.143-12.el6_9.1.x86_64                    19/22
  Verifying  : yajl-1.0.7-3.el6.x86_64                                    20/22
  Verifying  : ricci-0.16.2-87.el6.x86_64                                 21/22
  Verifying  : nc-1.84-24.el6.x86_64                                      22/22

Installed:
  ccs.x86_64 0:0.16.2-87.el6          cman.x86_64 0:3.0.12.1-84.el6         
  gfs2-utils.x86_64 0:3.0.12.1-84.el6 lvm2-cluster.x86_64 0:2.02.143-12.el6_9.1
  omping.x86_64 0:0.0.4-1.el6         rgmanager.x86_64 0:3.0.12.1-33.el6   

Dependency Installed:
  fence-agents.x86_64 0:4.0.15-13.el6_9.2                                   
  fence-virt.x86_64 0:0.2.3-24.el6                                           
  gnutls-utils.x86_64 0:2.12.23-22.el6                                       
  ipmitool.x86_64 0:1.8.15-2.el6                                             
  libvirt-client.x86_64 0:0.10.2-64.el6_10.2                                 
  nc.x86_64 0:1.84-24.el6                                                   
  net-snmp-utils.x86_64 1:5.5-60.el6                                         
  openais.x86_64 0:1.1.1-7.el6                                               
  openaislib.x86_64 0:1.1.1-7.el6                                           
  perl-Net-Telnet.noarch 0:3.03-11.el6                                       
  pexpect.noarch 0:2.3-6.el6                                                 
  python-suds.noarch 0:0.4.1-3.el6                                           
  resource-agents.x86_64 0:3.9.5-46.el6                                     
  ricci.x86_64 0:0.16.2-87.el6                                               
  sg3_utils.x86_64 0:1.28-13.el6                                             
  yajl.x86_64 0:1.0.7-3.el6                                                 

Complete!
[root@localhost Desktop]# yum install luci pacemaker



[root@localhost ~]# rpm -qa | egrep "ricci|luci|modc|cluster|ccs|cman"
ricci-0.16.2-87.el6.x86_64
ccs-0.16.2-87.el6.x86_64
modcluster-0.16.2-35.el6.x86_64
cluster-snmp-0.16.2-35.el6.x86_64
lvm2-cluster-2.02.143-12.el6_9.1.x86_64
clusterlib-3.0.12.1-84.el6.x86_64
cman-3.0.12.1-84.el6.x86_64
luci-0.26.0-93.el6.centos.x86_64



Configure Cluster in Linux
1. As the first step for setting up the cluster, you need to start the ricci service on all available servers.

# service ricci start 
OR
# /etc/init.d/ricci start 

[root@localhost vmware-tools-distrib]# service ricci start
Starting oddjobd:                                          [  OK  ]
generating SSL certificates...  done
Generating NSS database...  done
Starting ricci:                                            [  OK  ]
[root@localhost vmware-tools-distrib]# 

[root@localhost vmware-tools-distrib]# service ricci status
ricci (pid  41279) is running...
[root@localhost vmware-tools-distrib]# 


root@localhost vmware-tools-distrib]# passwd ricci
Changing password for user ricci.
New password: 
BAD PASSWORD: it is based on a dictionary word
BAD PASSWORD: is too simple
Retype new password: 
passwd: all authentication tokens updated successfully.
[root@localhost vmware-tools-distrib]#

firewall chanages

[root@redhat Desktop]# iptables -I INPUT -m state --state NEW -m multiport -p udp -s 192.168.0.0/24 -d 192.168.0.0/24 --dports 5404,5405 -j ACCEPT
[root@redhat Desktop]# iptables -I INPUT -m addrtype --dst-type MULTICAST -m state --state NEW -m multiport -p udp -s 192.168.0.0/24 --dports 5404,5405 -j ACCEPT
[root@redhat Desktop]# iptables -I INPUT -m state --state NEW -p tcp -s 192.168.0.0/24 -d 192.168.0.0/24 --dport 21064 -j ACCEPT
[root@redhat Desktop]#  iptables -I INPUT -m state --state NEW -p tcp -s 192.168.0.0/24 -d 192.168.0.0/24 --dport 11111 -j ACCEPT
[root@redhat Desktop]# iptables -I INPUT -m state --state NEW -p tcp -s 192.168.0.0/24 -d 192.168.0.0/24 --dport 16851 -j ACCEPT
[root@redhat Desktop]# iptables -I INPUT -m state --state NEW -p tcp -s 192.168.0.0/24 -d 192.168.0.0/24 --dport 8084 -j ACCEPT
[root@redhat Desktop]# iptables -I INPUT -p igmp -j ACCEPT
[root@redhat Desktop]#  service iptables save ; service iptables restart
iptables: Saving firewall rules to /etc/sysconfig/iptables:[  OK  ]
iptables: Setting chains to policy ACCEPT: filter          [  OK  ]
iptables: Flushing firewall rules:                         [  OK  ]
iptables: Unloading modules:                               [  OK  ]
iptables: Applying firewall rules:                         [  OK  ]

[root@redhat Desktop]# service corosync start
Starting Corosync Cluster Engine (corosync):               [  OK  ]
[root@redhat Desktop]# service cman startStarting 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...                                        [  OK  ]
   Waiting for quorum...                                   [  OK  ]
   Starting fenced...                                      [  OK  ]
   Starting dlm_controld...                                [  OK  ]
   Tuning DLM kernel config...                             [  OK  ]
   Starting gfs_controld...                                [  OK  ]
   Unfencing self...                                       [  OK  ]
   Joining fence domain...                                 [  OK  ]


[root@node1 Desktop]# service luci status
No PID file /var/run/luci/luci.pid
[root@node1 Desktop]# service luci start
Start luci...                                              [  OK  ]
Point your web browser to https://node1.example.com:8084 (or equivalent) to access luci

[root@node1 Desktop]# cat /etc/cluster/cluster.conf
<?xml version="1.0"?>
<cluster config_version="2" name="wall">
<clusternodes>
<clusternode name="node1.example.com" nodeid="1"/>
<clusternode name="node2.example.com" nodeid="2"/>
</clusternodes>
<cman expected_votes="1" two_node="1"/>
</cluster>
[root@node1 Desktop]#


[root@node1 Desktop]# clustat
Cluster Status for wall @ Wed Oct 16 10:08:10 2019
Member Status: Quorate

 Member Name                             ID   Status
 ------ ----                             ---- ------
 node1.example.com                           1 Online, Local
 node2.example.com                           2 Online

[root@node1 Desktop]#


https://docs.google.com/document/d/e/2PACX-1vR3zzkLxKDuoxoF_wW9VxSBD4VOk6kTPIGnDOgxnusFNqYnx9lL5OASYNY9HFfmVKrq62iDxUoj7IBv/pub

client

[root@localhost network-scripts]# cat /etc/cluster/cluster.conf
<?xml version="1.0"?>
<cluster config_version="2" name="wall">
<clusternodes>
<clusternode name="node1.example.com" nodeid="1"/>
<clusternode name="node2.example.com" nodeid="2"/>
</clusternodes>
<cman expected_votes="1" two_node="1"/>
</cluster>
[root@localhost network-scripts]#


[root@localhost network-scripts]# clustat
Cluster Status for wall @ Wed Oct 16 10:08:24 2019
Member Status: Quorate

 Member Name                             ID   Status
 ------ ----                             ---- ------
 node1.example.com                           1 Online
 node2.example.com                           2 Online, Local

add resource apache

[root@node1 Desktop]# clustat
Cluster Status for wall @ Wed Oct 16 10:43:44 2019
Member Status: Quorate

 Member Name                             ID   Status
 ------ ----                             ---- ------
 node1.example.com                           1 Online, Local, rgmanager
 node2.example.com                           2 Online, rgmanager

 Service Name                   Owner (Last)                   State       
 ------- ----                   ----- ------                   -----       
 service:httpd                  node1.example.com              started     
[root@node1 Desktop]# 

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