How it works/why it works?

m3a2r1

Active Member
Feb 23, 2020
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I've installed pbs for testing. Then I've backed up one of my vms with 100GB hdd. After 3 next days I've got 3 incremental backups of that vm but used space on pbs is only 66GB. How is it possible? How it works? Maybe I haven't got full backup?