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ABR 10 GVS task: weekly backups very large

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Hi all,
about four weeks ago we started a new GVS task because there were a lot of failures with the old one.
Now already the third weekly backup is as large as the full backup (about 240 GB) at the beginning. The daily backups are way smaller (about 15 GB). They weekly backups with the old GVS task had about 50-60 GB.
Any idea what I could have done wrong? Or does it need more weekly backups before they going to shrink?
Thanks in advance.
Philipp

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Hello Philipp,

by default weekly backups in GFS scheme are differential. It means they save only information which was changes since the latest full (monthly) backup.

Please take a look at this article to get more information on why differential backups can be bigger than expected.

Thank you.