Unnecessary files being backed up?

Ash McK    May 11 4:49AM 2018


I've noticed from the backups that a large amount of data is showing 'New' and is being backed up. For example we have 2 VM's on ESX. One is showing new data of around 4/5GB and the other 2/3GB. The backup runs daily and only around 2 users, using the system/domain. Is there unnecessary files being backed up, and if there is, is there a way to exclude these from the backup? I can't see a way that 2 users would be using this much space daily and definitely can't see it within the disk increases.

Any ideas?

gchen    May 11 9:30PM 2018

This is normal with a disk-level backup tool. The OS is constantly writing system files and caches, so even if there are no user activities, there could be a lot of changes happening on the disk any time.

Ash McK    May 14 3:16AM 2018

Thanks for the response @gchen.

I wonder if you had any ideas for the following.. I am doing a WAN Backup on a very slow link and want to minimise the traffic/backup to only necessary files. Do you have any ideas what file(s) could be causing a larger backup? Reason I ask we could move these to a different disk and then exclude that disk from VerticalBackup?

gchen    May 14 9:48PM 2018

It could be some system files that are constantly being written to and you can't really move these files.

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