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Operating Systems Linux Gentoo How to failover the cluster ? Post 302486315 by TonyFullerMalv on Friday 7th of January 2011 05:57:43 PM
Old 01-07-2011
The command required to cause the cluster to failover depends on what clustering software you are using?
How do you know it is a clustered system?
Do you know any commands, like for instance the command to show the cluster's status?
 

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cm(5)								File Formats Manual							     cm(5)

NAME
cm - cluster monitor for high availability clusters Remarks Cluster operations require the installation of the optional Serviceguard or Serviceguard Extension for RAC software, which is not included in the standard HP-UX operating system. DESCRIPTION
Serviceguard and Serviceguard Extension for RAC are high availability products which provide an environment such that after a failure of a node, services (applications) can be up and running again on another node within a very short amount of time. In addition, Serviceguard Extension for RAC is the enabling software for the Real Application Clusters (RAC). Working with the basic Serviceguard product, Service- guard Extension for Faster Failover allows configuration of clusters for optimized failover. Commands The following set of commands is used to configure a high availability cluster: cmquerycl(1M) cmmakepkg(1M) cmcheckconf(1M) cmapplyconf(1M) The following commands are used to run or halt a cluster: cmruncl(1M) cmhaltcl(1M) cmrunnode(1M) cmhaltnode(1M) cmviewcl(1M) Once a cluster is formed, the following commands are provided for manual operation on high availability packages: cmrunpkg(1M) cmhaltpkg(1M) cmmodpkg(1M) The following commands are used within a package control script to control the services and networks configured for a package: cmrunserv(1M) cmhaltserv(1M) cmmodnet(1M) A command is provided to aid in migrating from a SwitchOver/UX configuration to a Serviceguard cluster: cmmigrate(1M) This command is not applicable with Serviceguard Extension for RAC. SEE ALSO
Managing Serviceguard. Configuring RAC Clusters with Serviceguard Extension for RAC. Requires Optional Serviceguard Software cm(5)
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