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Create, Drop and Alter ASM disk groups

Crete Disk Group: Create Disk groups using the CREATE DISKGROUP statement and specify the level of redundancy. Disk group redundancy types:- NORMAL REDUNDANCY – Two-way mirroring, requiring two failure...

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Migrate Database to ASM Using RMAN

We are Using RMAN to relocate non-ASM files to ASM files. The ASM files cannot be accessed through normal OS interfaces.Step1: Query V$CONTROLFILE and V$LOGFILE to get the file names. SQL> select *...

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Moving from ASM storage back to filesystem

Whilst it is not very common to move from ASM to filesystem I needed to prepare a regression plan for the migration of a 450 datafile database in the event of problems during the migration or shortly...

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Moving a datafile from File System to ASM

Moving datafiles from file system to ASM can be done in different ways, one of them using the RMAN copy command. These are the steps: 1. Check where to build a new file system based tablespace:...

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asmcmd Utility

 Automatic Storage Management (ASM) Command line utility (ASMCMD), introduced with Oracle Database 10g release 2. Managing ASM through SQL interfaces, in Oracle Database 10g Release 1, posed a...

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