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Converting from Full to Incremental backup

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My preference has been to use a Custom backup scheme with a Full backup method, but after my first go which took nearly 6 hours including validation, I have decided to do  an Incremental scheme and method for future backups.

Q. If I now change the options to Incremental backup scheme and Incremental method for my next backup, will it just register the changes to the original Full tibx above, or do I have to start again, with the Incremental scheme doing a full backup first?

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Jill, if you modify the existing Full backup task, ATI should be smart enough to recognise that a Full backup image is already present and therefore build an Incremental 'slice' when the task is run. 

My caveat on the above is that I have not tried & tested this as I typically use Incremental backup by default.

Next point here, check your settings for Validation to be sure these are to only validate the most recent backup slice, not the whole set of backup chains that may be present!

On a personal note, I never combine validation with any of my backup tasks!  If or when I do use validation it is because I am wanting to check the file is 'good' before using it for a restore or recovery, but with the knowledge that validation does not guarantee the contents captured originally by the backup task were good!  Validation is just an assurance that what the backup task wrote to the destination drive remains unchanged - this by recalculating checksum data and comparing the values against those stored within the file at regular intervals!  This mainly protects against restoring a file which has been tampered with by malware / ransomware or which has been damaged due to a bad sector etc.

thanks Steve, I  will remove the validation as part of the backup process. Should make life a bit easier

Will give the Incremental backup a go and let you know . But how will I know that the incremental backup has been done, as I believe it is absorbed into the Full backup, and there is only the one .tibx file. Not like the earlier version I  used which had several files, one for each incremental backup

Jill, open the Activity panel for your backup task and it will tell you what type of backup was created.  The Clean up versions tool will also show you the backup types created.