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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It is considered UP as long as it is running on any of its configured nodes. Written by Ahmed Sharif July 11, at Burleson is the American Team Note: Search BC Oracle Sites.
Similarly, node 2 couster 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. A multi-node package can be configured to run on one or more cluster nodes.
Starting a node will not cause any active packages to be moved to the new node. The minor number clusteg of the group file must be unique for all VG. All rights reserved by Burleson. Connect all required network cables.
Clhster to gather configuration information As you see from the above output, the command is failed to run successfully. HP recommends these products; in conjunction with Serviceguard they provide the highest degree of availability. The cmhaltcl command can be used to halt the entire cluster.
Each server have 4 network interface card. It says, there are some problems in name resolution. Tuesday, January 1, Cluster planning, installation and administration requires extensive knowledge about cluster technology. Done Checking existing configuration Most Serviceguard packages are failover packages. Each power circuit should be protected by an uninterruptible power source. Leave a Reply Cancel reply Enter your comment here Refer to the comments in the cluster configuration ascii file or Serviceguard manual for more information on this parameter.
HP Serviceguard – Wikipedia
Note that the network hardware is cabled to provide redundant LAN interfaces on each node. In addition, a total of four data buses are shown for the disks that are connected to node 1 and node 2. Here is the content of the file: The typical high availability package is a failover package. Fill in your details below or click an icon to log in: A Serviceguard cluster is a networked grouping of HP or HP Integrity servers or bothknown as nodeshaving sufficient redundancy of software and hardware that a single point of failure will not significantly disrupt service.
You are commenting using your Twitter account. We will cljster the package configuration in my next post. Serviceguard hides the details of which server an application is actually running on at any given time, which means it can move applications between servers on the fly. If a service, node, network, serviceguaed other package resource fails on 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.
The amount of required shared storage will depend on the application requirement. This tutorial is only applicable for those who already know the basic concept and just want to learn the basic configuration steps.
The necessary changes have to be made with this file for the custer. Serviceguard packages group together applications and the services and resources they depend on.
It will be installed during the OS installation.
HP Serviceguard Cluster Configuration Guide – A Cheat Sheet
Notify me of new comments via email. De-activate the lock disk on the configuration node after cmapplyconf: This Oracle documentation was created as a support and Oracle training reference for use by our DBA performance tuning consulting professionals. Done Node node01 is refusing Serviceguard communication.
Deactivate the VG on node01, clusetr the VG information to a map file and transfer the file to the 2nd node node02 here using the following comands:. There are failover packages, system multi-node packages, and multi-node packages:.
For heartbeat I will use a point to point Ethernet connection. 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.
Now you are ready to create the cluster. But there is no package configured yet.
In order to remove all single points of swrviceguard from the cluster, you should provide as many separate power circuits as needed to prevent a single point of failure of your nodes, disks and disk mirrors. Post was not sent – check your email addresses!
Configuring a two node serviceguard Cluster (part 1) | ~Unix and Linux~
Sorry, your blog cannot share posts by email. You can get personalized Oracle training by Donald Burleson, right at your shop! By clusyer, the cluster lock volume group should have been created. Check the syslog files on all nodes in the cluster to verify that no warnings occurred during startup.
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