HP Serviceguard Extended Distance Cluster for Linux Release Notes Manufacturing Part Number: T2808-90002 November 2006
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HP Serviceguard Extended Distance Cluster for Linux Release Notes Announcements Announcements The HP Serviceguard Extended Distance Cluster (XDC) for Linux is a product that allows an HP Serviceguard for Linux cluster to operate across two separate sites providing disaster tolerance for applications. XDC uses the Linux Multiple Device (MD) driver’s software RAID capability and its associated tool, mdadm, to replicate data across those two sites.
HP Serviceguard Extended Distance Cluster for Linux Release Notes What’s In this Version What’s In this Version An extended distance cluster (also known as extended campus cluster) is a Serviceguard cluster that has alternate nodes located in different data centers separated by some distance. Using MD, Serviceguard XDC ensures high availability of data.
HP Serviceguard Extended Distance Cluster for Linux Release Notes Compatibility Information and Installation Requirements Compatibility Information and Installation Requirements To use Extended Distance Cluster, the following hardware and software must be installed and configured on all nodes.
HP Serviceguard Extended Distance Cluster for Linux Release Notes Compatibility Information and Installation Requirements Software Requirements Following are the software requirements that you need for HP Serviceguard Extended Distance Cluster: • HP Serviceguard version A.11.16.
HP Serviceguard Extended Distance Cluster for Linux Release Notes Compatibility Information and Installation Requirements Table 1-1 Supported Distance Between Sites Type of Link Dense Wave Division Multiplexing Distance 100 kilometers Installing XDC Complete the following procedure to install HP Serviceguard Extended Distance Cluster: 1. Insert the product CD into the drive and mount the CD. 2. Open the terminal window. 3.
HP Serviceguard Extended Distance Cluster for Linux Release Notes Compatibility Information and Installation Requirements In the output, the product name, xdc -A.01.00-0 will be listed. The presence of this file verifies that the installation is successful. What Manuals are Available for this Version For information about configuring Software RAID in your Extended Distance Cluster setup, see HP Serviceguard Extended Distance Cluster for Linux Deployment Guide available on the CD.
HP Serviceguard Extended Distance Cluster for Linux Release Notes Compatibility Information and Installation Requirements Further Reading Additional information about related high availability topics may be found on Hewlett-Packard’s HA web page: http://www.hp.com/go/ha Support information, including current information on patches and known problems, is available from Hewlett-Packard IT center: http://itrc.hp.com (Americas and Asia Pacific) http://europe.itrc.hp.
HP Serviceguard Extended Distance Cluster for Linux Release Notes Patches and Fixes in this Version Patches and Fixes in this Version There are no patches required for HP Serviceguard Extended Distance Cluster at the time of publication. However, this is subject to change without notice. For the most current information, contact your HP support representative or Hewlett Packard IT Resource Center.
HP Serviceguard Extended Distance Cluster for Linux Release Notes Patches and Fixes in this Version Fixes There are no known fixes at the time of this publication. However, this is subject to change without notice. For the most current information contact your HP support representative.
HP Serviceguard Extended Distance Cluster for Linux Release Notes Known Problems and Workarounds Known Problems and Workarounds The following describes known problems with the XDC software. This is subject to change without notice. For the most current information, contact your HP support representative. More recent information on known problems and workarounds may also be available on the Hewlett Packard IT Resource Center: http://itrc.hp.com (Americas and Asia Pacific) http://europe.itrc.hp.
HP Serviceguard Extended Distance Cluster for Linux Release Notes Known Problems and Workarounds # NOTE: The multipath mechanisms that are supported for shared storage # depend on the storage subsystem and the HBA driver in the # configuration. Follow the documentation for those devices when setting # up multipath. The MD driver was used with earlier versions of # Serviceguard and may still be used by some storage system/HBA # combinations.
HP Serviceguard Extended Distance Cluster for Linux Release Notes Software Availability in Native Languages Software Availability in Native Languages Continentalclusters is not available in native language versions.
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