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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Although this article presented a simple introduction and how-to for setting up a two-node cluster, PowerHA is capable of doing much more, including application monitoring, integrating NAS resources, and putting logic into starting up resource groups. You can purchase this software from IBM directly see Related topics for a link ; the file sets all start with the word cluster.
How to create a large snapshot of the hacmp configuration. If it isn’t, run smitty tcpiphacmpp into the Minimum Configuration menu, enter the default route for the primary adapter, and press Enter.
X utility for hacmp management. You might need to increase the maximum number of LPs for the LV first: Manoel Bezerra 5 April at Anonymous 16 April at How to remove all resources from resource group appRG.
Create two simple Korn shell scripts—one that starts an application and one that stops an application.
HACMP: Cluster Commandline
X utility for cluster configuration. However, the version of the cluster. How to do the mock sync of topology.
Then we create the filessystem on top of the just created LV How to list the details of network ether1.
The PowerHA for AIX (formerly HACMP) cheat sheet
Building a redundant environment for high availability with AIX. How to show info about ether network module.
How to list cluster topology information. How to list all cluster networks. 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. Haacmp 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 shared lvs in the resource group dbRG. How to list the participating nodes in the resource group sapRG. How to show cluster state and substate depends on clinfo. When a problem sheey with the availability of some of the physical resources, such as some wires being accidentally unplugged, PowerHA senses the errors and makes the other server take over.
Comments Sign in or register to add and subscribe to comments. Check the subnet masks for consistency. Posted by Prasath at How to remove all applicaion servers. How to list all cluster networks.
unixwerk: cluster commandline
Doing so hqcmp an environment that can handle a failover and assures managers and accountants that finances are being used wisely. A cluster ping program with more arguments. Anonymous 16 June at Home About Contact Archives.
If there are still enough free PPs in the existing Volume group the filesystem can be extended with a standard AIX command: This defines one network per Ethernet adapter. How to list the shared vgs which can be accessed by all nodes.
Generally, rebooting each node can clear up any minor problems, and this is a good point to test restarting each server anyway. View image at full size.
How to delete the resource group appRG and related resources. No development servers I have seen many environments in a number of different companies over the years in which the decision is made to declare one of the nodes in a cluster a “production” server and the other a “development” server.
UNIX Health Check – Useful HACMP commands
How to list the network for ip How to locate the resource groups and display status -s. Thanks a million for your help!
How to show all info about group. How to list the resources defined for all resource group. How to list the shared vgs in resource group dbRG.
Cluster rsh program that take cluster node names as argument. You can also use this technology for things like operating system upgrades, firmware maintenance, or other activities that may require downtime, all of which adds to the versatility and usefulness of PowerHA. You could also use a map file to tell the command how to setup your LV: How to list the shared file systems. This decision is typically made hacpm companies decide that having a server sit idle more than 90 percent of the time in case of a disaster is a waste of money.
How to locate the resource groups and display status -s. How to change the cluster node name node5 to node3. How to get the ip label associated to the resource group.