Backing Up and Restoring CM Repositories in DBFS Mode 

If you are operating CM repositories in DBFS persistence mode, note the special features of the data backup procedure. You have to back up the data in the file system as well as the database.

 

Backup

Carry out the following steps:

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       1.      First back up the data in the file system.

       2.      Then back up the database.

       3.      In the final step, you back up the new data in the file system that was added since the first step was completed.

 

If you are using DBFS persistence mode, file changes are characterized by the creation of a new file and then the deletion of the old file. Old files that need to be deleted are marked as such and deleted by means of the garbage collector scheduler task called CM repository GC the text time the task runs.

 

All data that is added after step three is taken into account during your next data backup.

 

Restore

Proceed as follows to restore data:

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       1.      Import the data backed up in step one.

       2.      Then import the database.

       3.      Then import the data backed up in step three.

       4.      In the final step, run the CM repository file system check report.

This report finds files that were deleted after you backed up the file system data but before you backed up the database and that are now available in the file system following the data import procedure. You can use this report to delete these orphaned entries.