Hello Stefan,

i can already reproduce this with a single backup.
The following initial situation: A host that has never been backed up.
Now BackupPC v3 and v4 both make a full backup, but end up showing very
different results as far as the size of the backup is concerned.

Does this describe my question more clearly?

Sort of :) Sounds like a different problem this time, as you - correctly - do not mention 'du' anymore.

If I understand correctly, you see different sizes when using BackupPC v3 versus doing the _very same_ backup using BackupPC v4.

Is that it?

The files that were backuped do not differ, was the system not running between the two backups?

No temporary files - that might differ significantly in size! - created or deleted between the run of v3 and v4? (and not being excepted from the backups....)

I'm not aware that v4 would bring significant differences in the size of the archives when compared with v3, but I might be wrong.

I'd try to look in some detail on the backuped files in order to spot the differences.

Best regards,

Iosif Fettich


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