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ACFS: Oracle ACFS Snapshots – A backups inside your OS directories of the directories,

ACFS snapshots are the snapshot of the directories that taken as a snap for particular time period. For example your restore point in database, all changes can be reverted until that point. Similarly with ACFS the directories also can be managed to revert to specific point in time to when the snapshot is created. Let’s see how does it work.

SNAPSHOTS:-

Snapshots are nothing but a backup of your working directories or folders with different times of collections,

Create a snap on acfs filesystem using acfsutil

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The folder .ACFS is a snap base folder

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Now I navigate through certain folder inside .ACFS and I got my files. C,a,b

Lets create another snap and below I got two snap folder inside my /u04/acfstest

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You can have upto 64 snap images for different times. This is similar like netapps storage where you can leverage the snapshots backups with ASM.

 

-Thanks

Geek DBA

January 19th, 2013 | Tags: | Category: Automatic Storage Management

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