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size of second full backup in increment scheme ?

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Forum Member
Posts: 9
Comments: 20

I have set up a partition backup using the increment scheme that is instructed to create a new full backup after 5 increment versions. The original full backup was 800gb The five incremental backups were 15-120gb The second full backup after the five incrementals was only 127gb. I expected this to be at least 800gb (as in the original full backup) There were no large scale changes to storage on the disks and all backups reported completing successfully. What is happening here?

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Legend
Posts: 106
Comments: 26745

Joe, sorry but impossible to even guess why your backup sizes are so different (800gb vs 127gb) without a lot more information?

Please download the MVP Log Viewer tool (link in my signature below) and use this to review the log files for your backup operation. Check to see if there are any messages in the logs for the main 2 full backup actions that would explain any difference in size?

Forum Member
Posts: 9
Comments: 20

I'll have to do that the next time it happens.   Necessity required me to delete that backup entirely and run a fresh full backup that does have the correct size (900gb +/-)