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Top Forums UNIX for Advanced & Expert Users Oracle RAC Cluster on RedHat Linux, Node eviction Post 302449108 by fpmurphy on Saturday 28th of August 2010 01:02:52 PM
Old 08-28-2010
Since it was obviously working up till recently, the question has to be about what has recenly changed in the operating systems on your platforms. Have OS patches been applied? Are disks filling up? Is a NIC failing?
 

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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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