Red hat linux

Pacemaker Cheat Sheet

Prabath ThalangamaComment(0)

File and Directory Locations

LOCATION DESCRIPTION
/var/lib/pacemaker/cib/cib.xml Primary cluster configuration file
/var/log/cluster/corosync.log Primary cluster log file
/usr/lib/ocf/resource.d/heartbeat/ Directory where resource scripts are located

Check Cluster Status

COMMAND DESCRIPTION
pcs cluster status Display status of cluster nodes
pcs status –full (double dashes) Display detailed cluster status of nodes and resources
pcs resource Display status of all resources and resource groups

Modify Cluster Nodes

COMMAND DESCRIPTION
pcs cluster standby Place node in standby mode
pcs cluster unstandby Remove node from standby mode

Managing Running Resources

COMMAND DESCRIPTION
pcs resource move [resource_name] node name Move resource to another node
pcs resource restart [resource_name] Restart resource on current node
pcs resource enable [resource_name] Start resource on current node
pcs resource disable [resource_name] Stop resource on current node

Debugging Resources

COMMAND DESCRIPTION
pcs resource debug-start [source_name] Force resource to start on node where command is executed showing debug information. Use --full for even more verbose output.
pcs resource debug-stop [source_name] Force resource to stop on node where command is executed showing debug information. Use --full for even more verbose output.
pcs resource debug-monitor [source_name] Force resource to be monitored on node where command is executed showing debug information. Use --full for even more verbose output.

Creating and Modifying Resources

COMMAND DESCRIPTION
pcs resource agents List available resource agents
pcs resource describe [resource] List configuration setting for resource
pcs resource create [resource id][resource] options… Create resource
pcs resource show [resource id] Display currently configured setting of resource
pcs resource update [resource id] options…. Update resource configuration
pcs resource delete [resource id] Delete resource
pcs resource cleanup [resource id] Cleanup resource failures

Creating and Modifying Stonith Resources

COMMAND DESCRIPTION
pcs stonith list List available fence agents
pcs stonith describe [fence agent] List configuration settings for fence agent
pcs stonith describe [stonith_id] List configuration setting for stonith agent
pcs stonith create [stonith_id][resource] options… Create stonith agent
pcs stonith show [stonith_id] Display currently configured setting of stonith agent
pcs stonith update [stonith_id] options…. Update stonith configuration
pcs stonith delete [stonith_id] Delete stonith agent
pcs stonith cleanup [stonith_id] Cleanup stonith agent failures

Loading

Prabath Thalangama
Web: sysadmin.lk
Email: inbox [at] sysadmin.lk
LinkedIn: https://www.linkedin.com/in/prabatht
Facebook: https://www.facebook.com/prabath.hinoize

Related Articles
Apache LAMP Red hat linux Web Hosting

Update PHP 5.1 to 5.5 on Redhat / CentOS 5.5

Prabath Thalangama

Add EPEL repo rpm -Uvh https://dl.fedoraproject.org/pub/epel/epel-release-latest-5.noarch.rpm rpm -Uvh http://mirror.webtatic.com/yum/el5/latest.rpm Remove Previous version yum remove php* Install PHP 5.5 yum install php55w-fpm php55w-opcache yum install php55w-xml php55w-gd php55w-process php55w-mysql php55w-mbstring php55w-pear php55w-common php55w-imap php55w php55w-mcrypt php55w-pdo php55w-cli php55w-devel

Loading
Red hat linux Web Hosting

Installation of KLOXO Hosting Panel with DKIM and SPF

Prabath Thalangama

An easy to follow guide to install DKIM on CentOS 5.x Linux mail servers using qmailtoaster and kloxo/lxadmin. help prevent outgoing emails from your email servers winding up in someone’s spam box. KLOXO instalation guide su – root setenforce 0 su – root yum install -y wget wget http://download.lxcenter.org/download/kloxo/production/kloxo-installer.sh #To install as Master (Default Single […]

Loading
Asterisk Red hat linux Web Hosting

Asterisk – Setup Elastix in exist CentOS or VPS

Prabath Thalangama

Case 1 (With Elastix Repository) Create new repository vi /etc/yum.repos.d/elastix.repo [elastix-base] name=Base RPM Repository for Elastix mirrorlist=http://mirror.elastix.org/?release=2&arch=$basearch&repo=base #baseurl=http://repo.elastix.org/elastix/2/base/$basearch/ gpgcheck=1 enabled=1 gpgkey=http://repo.elastix.org/elastix/RPM-GPG-KEY-Elastix [elastix-updates] name=Updates RPM Repository for Elastix mirrorlist=http://mirror.elastix.org/?release=2&arch=$basearch&repo=updates #baseurl=http://repo.elastix.org/elastix/2/updates/$basearch/ gpgcheck=1 enabled=1 gpgkey=http://repo.elastix.org/elastix/RPM-GPG-KEY-Elastix [elastix-beta] name=Beta RPM Repository for Elastix mirrorlist=http://mirror.elastix.org/?release=2&arch=$basearch&repo=beta #baseurl=http://repo.elastix.org/elastix/2/beta/$basearch/ gpgcheck=1 enabled=0 gpgkey=http://repo.elastix.org/elastix/RPM-GPG-KEY-Elastix [elastix-extras] name=Extras RPM Repository for Elastix mirrorlist=http://mirror.elastix.org/?release=2&arch=$basearch&repo=extras #baseurl=http://repo.elastix.org/elastix/2/extras/$basearch/ gpgcheck=1 enabled=1 gpgkey=http://repo.elastix.org/elastix/RPM-GPG-KEY-Elastix Install […]

Loading

Leave a Reply

Your email address will not be published. Required fields are marked *