Most commands should work on all PowerHA (HACMP prior to ) .. Compressing files under Linux or UNIX cheat sheet · Cloning rootvg. There is no specific command to get the PowerHA version. However, the version of the fileset actually reflects the PowerHA. PowerHA (formerly HACMP) and gain a cheat sheet on how to configure and set up a simple two-node cluster. Share: Christian Pruett is a senior UNIX systems.

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How to list the local view of the cluster subsystems.

This process assumes that all IP addresses have been predetermined and that the SAN zoning of the disks is complete. This defines the boot IP addresses on the respective network adapters. With all of the virtualization technology available today, it’s far more worthwhile to use VIO to create a pair of production and development LPARs on the same set of System p servers and hardware resources than to try to save a few dollars at the expense of sacrificing the true purpose for which PowerHA was designed.

The PowerHA for AIX (formerly HACMP) cheat sheet

Regular Expressions in Linux Explained with Exampl After the node comes up with the resources available, start the cluster on the other node.

How to list the shared file systems in the resource group sapRG. Cluster rsh program that take cluster node names as argument. Ensure that the servers have adequate processing power to cover everything. Anonymous 16 June at How to remove the application server app How to show info about ether network module.

UNIX Health Check – Useful HACMP commands

Comments Sign in or register to add and subscribe to comments. How to list the logs. How to do graceful shutdown immediately with no takeover. How to get the ip label associated to the resource group. How to list the name and security level of the cluster. Guestbook Sign our guestbook Contact Get in touch with the authors Archive All unixwerk articles since A cluster ping program with more arguments.


How to do graceful shutdown immediately with takeover.

If there are still enough free PPs in the existing Volume group the filesystem can be extended with a standard AIX command: This decision is typically made because companies decide that having a server sit idle more than 90 percent of the time in case of a cheay is a waste of money.

How to delete the resource group appRG and related resources.

HACMP: Cluster Commandline

SNMP-based tool to show cluster state. The official CLI commands have been introduced to provide a framework for batch scripts. When this strategy is used, invariably differences in the two servers arise, as development causes differences in software, applications, and operating system functions. One of these servers is considered to be “active” and is in control of these sheet, while the other is idle and sits ready in case it is needed, as shown in Figure 2.

Set Automatically correct errors found during verification? But if you are looking to hit the ground running, the best advice I have is to make a test cluster and try everything you can. How to list the logs. How to show short resource group information. This will mount the filesystem in case the resource group is online. How to remove all resources from resource group appRG.

Network attached storage SAN: How to show heartbeat information. This setting prevents the resources from going back to the original server when it is brought up, which is a wise thing to do.


How to list the resource groups. However, the version of the cluster. Building a redundant environment for high availability with AIX. Work with your SAN and network administrators to get addresses and disks for the boot, persistent, and service IP addresses.

Unix Quick Sheets: IBM PowerHA

How to check logs related to hacmp. Hi, very good, you can add this command for check the version. Next, chezt the command:. How to locate the resource groups and display their status. The network VLANs, subnets, and addresses should be hooked up in the same fashion. How to list the runtime parameters for the node node1.

How to check logs related to hacmp.

This article provides an introduction to PowerHA and shows how to set up and configure a simple two-node cluster. For other layouts the value to ‘-u’ has to be increased to the right number of PVs. Posted by Prasath at How to sync the cluster resources. How to show cluster state and substate depends on clinfo. Congratulations for the initiative. There is a momentary pause in the availability of the resources, but then everything cheqt up as though it were on the original machine, and no one chext tell the difference, cheta shown in Figure 3.

The first step is to make sure that the hardware you will be using for the two servers is as similar as possible. How to list the shared vgs which can be accessed by all nodes. The more you test, the more reliable your cluster will be.