Diff-Backups seems to be Full-Backups

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truwrikodrorowrelupicugojestutroclulachosaswunuhospikigawakijosaswenomaruclojeueclikaspedrubewidebrisubrohutrurifruuagothunugekedrumucisiuobrobrecrupeslapuswosluprothethibakaslechurathikucli
Beginner
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Comments: 9

Hello

I'm backing up an NAS (ZYXel) on an attached big USB3-disc.

When doing a full backup, it takes about 142 GB.
A diff backup has also 142 GB, but there were no or minor changes in that directory.

What's going wrong? Where can I see, what ATI forced to do these big backups.

Peter

Wed, 10/21/2015 - 07:34
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truwrikodrorowrelupicugojestutroclulachosaswunuhospikigawakijosaswenomaruclojeueclikaspedrubewidebrisubrohutrurifruuagothunugekedrumucisiuobrobrecrupeslapuswosluprothethibakaslechurathikucli
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I have seen that after doing a restore. If that is the case you will have to create a new task for your backup.

Wed, 10/21/2015 - 20:23
truwrikodrorowrelupicugojestutroclulachosaswunuhospikigawakijosaswenomaruclojeueclikaspedrubewidebrisubrohutrurifruuagothunugekedrumucisiuobrobrecrupeslapuswosluprothethibakaslechurathikucli
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What is the size of the partiiton or disk being backed up? If backup is same size as partition, then user has selected to include all unused sectors.

What Acronis includes within the backlup is used disk sectors. If defrag or a utility which is fine tuning disk location is run between backups,
this type disk activity would be included within the diff backup--even if you made no file edits.
You may also have registry system restore activity--if not excluded by user in the exclusions option.

Normally, a task will first create the full backup and then each new differential backup will include all disk changes since the last full backup, so each new diff will be progressively larger than the first diferential.

Double click on the diff file (Windows Explorer) and you can look at its content.

Thu, 10/22/2015 - 00:00
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