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 find out the name of the local node.
However, many administrators grabbed them from SMIT via F6 and use them directly from the command line for daily business. How to list the shared file systems.
Newer Post Older Post Home. How to show resource information by node. The number of entries per mirror copy has to equal the number of LPs given at the command line. xheet
And when the time comes that the production resource group has to be failed over to the development server because it’s always a matter of when, not ifthose differences will prevent things from running correctly. 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. When this strategy is used, invariably differences in the two servers arise, as development causes differences in software, applications, and operating system functions.
Create two simple Korn shell scripts—one that starts an application and one that stops an application. This defines the boot IP addresses on the respective network adapters. How to change cluster definitions name to dcmds and id to 2. How to create resource group sapRG with nodes n1,n2 in cascade. Sign in or register to add and subscribe to comments.
The PowerHA for AIX (formerly HACMP) cheat sheet
Here, two System p servers share a common set of SAN storage and communicate on two networks. Unless otherwise stated, you must run the tasks here on each and every node of the cluster.
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.
How to rotate some of the log files. The number of processors, the quantity of memory, and the types of Fibre Channel and Ethernet adapters should all be the same. You only need to set Superstrictness and upperbound if not already set.
AIX Tips1: AIX PowerHA (HACMP) Commands
Similar to cldump, perl script to show cluster state. Hac,p 15 June at How to locate the resource groups and display their status. Anonymous 16 June at My preference is not to have the cluster start on reboot, because if there is a PowerHA-related problem on startup, it can be difficult to troubleshoot it.
How to list the info about resource group sapRG. At this point, the cluster is ready to start. After the node comes up with the resources available, start the cluster on the other node. Cluster rsh program that take cluster node names as argument. This setting prevents the resources from going back to the original server when it is hseet up, which is a wise thing to do.
How to sync the cluster topology. Then, perform these steps:. You can increase or reduce the value depending on the system load. How to list the shared vgs which can be accessed by all nodes. How to do graceful shutdown immediately with no takeover. How to list the shared lvs in the resource group dbRG. How to list the info about the cluster nodes. How to list the shared lvs in the resource group dbRG. How to do graceful shutdown immediately with takeover. How to start cluster daemons options in that order: How to list cluster topology information.
Keep these scripts in identical directories on both nodes. This defines an application server for an application that PowerHA will manage. How to create a hafmp snapshot of the hacmp configuration.
How to do graceful shutdown immediately with no takeover. Choose one node and the target disk.