How to migrate Oracle 10gR2 Clusterware and ASM storage devices on AIX
I haven't done a technical post in a while, so I thought I'd share some stuff I'd been working on recently. It may sometimes be necessary to migrate storage devices being used by a database and Oracle Clusterware. This may be due to a SAN upgrade or simply moving between storage frames. AIX provides a native command called migratepv which can handle the movement of logical volume groups and filesystems. However, for Clusterware (OCR & Voting Disks), and ASM which reside on raw devices, a different method is required. The ocrconfig and crsctl commands are the preferred methods of working with OCR and voting disk files. Instructions on migrating AIX volume groups using migratepv is beyond the scope of this article but you can check out this article by Chris Gibson for additional details http://www.ibm.com/developerworks/aix/library/au-aixstorage/ . This document will describe the steps used to migrate the following types of devices at...