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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Failed to gather configuration information As you see from the above output, the command is failed to run successfully. Post was not sent – check your email addresses! We will use three of them. Similarly, node 2 is shown with exclusive access to the bottom two disks solid lineand node 1 is shown as connected without access to the bottom disks dotted line.
Clustdr are also packages that run on several cluster nodes at once, and do not fail over. Deactivate the VG on node01, export the VG information to a map file and transfer the file to the 2nd node node02 here using the following comands:. You are commenting using your Facebook account.
HP Serviceguard – Wikipedia
Enter your email address to subscribe to this blog and receive notifications of new posts by email. Done Checking existing configuration I was stuck at this point for sdrviceguard significant amount of time. Refer to the comments in the cluster configuration ascii file or Serviceguard manual for more information on this parameter. Once the cluster configuration file is edited, you need to use the cmcheckconf command to check the file for errors:.
It says, there are some problems in name resolution.
HP Serviceguard Cluster Configuration Guide – A Cheat Sheet
Using this site means you accept its terms. Lock volume can only be activated on the node where the cmapplyconf command is issued so that the lock disk can be initialized accordingly. Check clustwr output carefully.
Create the group file for the volume group: System multi-node packages are supported only for HP-supplied applications. Halting a package has a different effect than halting the node.
Feel free to ask questions on our Oracle forum. However, if a package is DOWN, has its switching enabled, and is able to run on the new node, that package will automatically run there. Most Serviceguard packages are failover packages. To find out more, including how to control cookies, see here: Use the following commands to create the required group file on 2nd node and import the lock VG using the map file that was transferred from the first node.
It is considered UP as long as it is running on any of its configured nodes. Once the cluster is up and running, we can create a package to run in it. Normally, when a cluster starts up, the packages configured as part of the cluster will start up on their configured nodes.
Check the cluster configuration: In addition, a total of four data buses are shown for the disks that are connected to node 1 and node 2.
This VG will be used as lock VG: HP recommends these products; in conjunction with Serviceguard they provide the highest degree of availability. Ahmed Sharif on Detecting and Removing C style…. Use the cmapplyconf command to apply the configuration.
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.
HP Serviceguard Cluster Commands
For a significant portion of installations, a higher setting is more appropriate. When you configure a failover package, you specify which active node will be the primary node where the serviceguuard will start, and one or more other nodes, called adoptive nodesthat can also run the package. The output of ioscan -fnC command will look something like this: Docker image Security Best Practices January 19, Serviceguard uses resource virtualization to ensure that critical applications, databases, or services are continually up and running.
Most Serviceguard packages are failover packages. In the figure, node 1 is shown with exclusive access seeviceguard the top two disks solid lineand node 2 is shown as connected without access to the top disks dotted line. If you find an error or have a suggestion for improving our content, we would appreciate your feedback.
Tuesday, January 1, It will work as the quorum device. If you wish, however, you can configure the package to return to its primary node as soon as the primary node comes back online.