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Oracle Database 11 g - Online Public Access Catalog

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CHAPTER 9 ■ STORAGE MANAGEMENT 407'DGINFO' => {'DGTORESTORE' => 0,'DGCOMPAT' => '<strong>11</strong>.1.0.0.0','DGNAME' => 'FRA','DGDBCOMPAT' => '10.1.0.0.0','DGTYPE' => 'NORMAL','DGAUSZ' => '16777216'},'ALIASINFO' => {},'TEMPLATEINFO' => {….….,'<strong>11</strong>' => {'DGNAME' => 'FRA','STRIPE' => 'FINE','TEMPNAME' => 'CONTROLFILE','REDUNDANCY' => 'HIGH','SYSTEM' => 'Y'},......}});Since the metadata backup is complete, you are ready to simulate a complete diskgroupfailure. The following dismount and drop diskgroup commands will completely expunge everythingin the DATA diskgroup:SQL> alter diskgroup data dismount;■Note The dismount command must be performed on all nodes of the cluster that have that ASM diskgroupmounted. Prior to this command, since this is a simulation, please make sure you have a solid RMANbackup including the spfile, the database, the archivelogs, and the controlfiles.SQL> drop diskgroup data force including contents;Now it’s time to perform the restore from the previous md_backup command:ASMCMD> md_restore -t full -g DATA -b /tmp/asm_backup.mdbDisk group to be restored: DATA#ASMCMDAMBR-09358, Option -t newdg specified without any override options.

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