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Size of backups / available backup versions

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Hello,

may I ask two questions:

1) I made a full backup of my system and the TIB-file was about 26 GB in size. The next incremental backup was 2.6 GB. But then, without many changes to the system, the next incremental backup became 31 GB in size. How can this be?

2) Having one full and 4 incremental backups, I restored the system from the last. When I had problems during the Win10 installation I wanted to go back to this last backup and restore it again. But this version was not available, only the next to last was offered. However, when I booted with the emergency-CD I could restore from the last backup. Is this behaviour normal?

Hermann-Josef

 

 

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Hermann-Josef, there can be many reasons why backup sizes may change.

Performing any form of defragmentation can touch lots of sectors on the drive which will lead to the next backup being much larger.

Any disk errors / bad sectors can cause Acronis to use sector-by-sector method for creating the backup file, this in turn then causes defined exclusions to be ignored.

Windows Updates or other program updates, especially if Windows is download new versions such as the Anniversary Update (= upto 5GB)..

When you restore your system from a backup, then in essence you have restored your Acronis Database files to a point prior to that backup being created, hence they do not know about that restored backup and will not show it as being available (it wasn't there when the backup was created).

Using the offline media will show all backups on your backup drive as this does not use the Acronis Database information.