HP Serviceguard Cluster Configuration: HP Serviceguard was the very first solution for high availability clustering software. Serviceguard uses. Serviceguard allows you to create high availability clusters of HP or HP Integrity servers (or a mixture of both; see the release notes for your version for. HP Serviceguard Cluster Commands. This section includes the Serviceguard clustering commands. Closed /usr/local/bin/sudo /usr/sbin/cmviewcl -v. Output.
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Check the cluster configuration: When you configure a failover package, you specify which active node will be the primary node where the package will start, and one or more other nodes, called adoptive nodesthat can also run the package. For example, change the ClusterName and adjust the heartbeat interval and node timeout to prevent unexpected failovers due to GCM traffic. It says, there are some problems in name resolution.
Feel free to ask questions serviceugard our Oracle forum. Normally, when a cluster starts up, the packages configured as part of the cluster will start up on their configured nodes. Network validation complete Waiting for cluster to form Disclaimer Privacy Advertisement Contact Us. If you wish, however, you can configure the package to return to its primary node as soon as the primary node comes back online. In the event that werviceguard component fails, the redundant component takes over.
HP Serviceguard Cluster Commands
Here is the content of the file:. Assign the IP addresses on both nodes and make sure you are able to ping each other using both public interface IP and heartbeat IP.
System multi-node packages are supported only for HP-supplied applications. For a significant portion of installations, a higher setting is more appropriate.
Configuring a two node serviceguard Cluster (part 1) | ~Unix and Linux~
Volume groups on node Failed to gather configuration information. Following is a sample file: After the file has been verified as containing no errors, the cmapplyconf command is used to create and distribute the cluster binary file:.
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I am not going to discuss any theoretical concept like why someone will use a cluster or what actually a single point of failure is etc etc. Written by Ahmed Sharif July 11, at Event Monitoring Service EMSwhich lets you monitor and detect failures that are not directly handled by Serviceguard.
A package groups application services individual HP-UX processes together. Here is the procedure: To check the cluster status you can use the cmviewcl command: Execute the following command to create an ascii cluster configuration file.
Ahmed Sharif on Detecting and Removing C style…. Once the cluster configuration file is edited, you need to use the cmcheckconf command to check the file for errors:.
Refer to serviceguarx comments in the cluster configuration ascii file or Serviceguard manual for more information on this parameter. If a service, node, network, or other package resource fails xerviceguard the node where it is running, Serviceguard can automatically transfer control of the package to another cluster node, allowing services to remain available with minimal interruption.
It is considered UP as long as it is running on any of its configured nodes. The necessary changes have to be made with this file for the cluster.
You may need to start a package manually after it has been halted manually. When there are no packages left in the cluster, and you want to delete the cluster, use the following commands. For this example, connect two NICs on each server to the public Ethernet network, connect the heartbeat cable through a point to point cable.
The amount of required shared storage will depend on the application requirement.
A multi-node package can be configured to run on one or more cluster nodes. Any host system running in a Serviceguard cluster is called an active node. The output of ioscan -fnC command will look something like this: Highly available systems protect users from software failures as well as from failure of a system processing unit SPUdisk, or local area network LAN component.
Burleson is the American Team Note: How to create and add GIT remote repository March 5, The output of ioscan -fnC command will look something like this:.