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How to perform Incremental Backup using Block change tracking /* step by step /*
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How to perform incremental backup using Block change tracking in Rman
Block Change Tracking :
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You can perform fast incremental backup by enabling block change tracking. when perform incremental backup, It writes to a file the physical address of each block that is changed. Rman can look the block change tracking file & backup only those blocks refer there. It does not have to scan every block to see if it has changed since the last backup.
How to Enable block change tracking?
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Alter database enable block change tracking using file (file path) reuse;
1. We can check Block change tracking is enable or not using v$block_change_tracking View.
2. When block change tracking is enable CTWR process is started.
Block Change Tracking :
-----------------------------------------------
You can perform fast incremental backup by enabling block change tracking. when perform incremental backup, It writes to a file the physical address of each block that is changed. Rman can look the block change tracking file & backup only those blocks refer there. It does not have to scan every block to see if it has changed since the last backup.
How to Enable block change tracking?
-----------------------------------------------------------------------
Alter database enable block change tracking using file (file path) reuse;
1. We can check Block change tracking is enable or not using v$block_change_tracking View.
2. When block change tracking is enable CTWR process is started.