Incremental back ups are filling up my backup drive
I set up a full system back up to an external 1TB drive with auto consolidation setting of:
Number of backup versions exceeds = 2
Storage period of old backup versions exceeds = 30days
Size of backup exceeds = 500GB
This created a full back up of 572GB then the incremental backups average at about 20GB. After the second incremental backup it ran a consolidation backup which ended up creating a backup of about 370GB which filled up my storage and caused my back ups to fail.
How can I set up a backup which will not constantly create storage issues?

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Thanks GroverH
This is my home desk top PC which we only use for checking email, browsing the net and storing media (music, photos and the like). I only really want a fairly recent back up just in case my system crashes and I need to restore. It's not vital to have multiple backups.
Could I set it up to only keep 1 full backup per month and weekly incremental, no consolidation?
I would need to reduce the have to reduce the size of my back up to say 400MB to have enough room on my 1TB disk though.
What effect will reducing the size of the backup have? Does it just take longer because the program has to compress the data more?
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To me, deleting the files before your backup is not a good idea as after the delete, you have no backup to recover to.
If you have familiy photos and the like, it is importatnt that you have secondary backups. Do hou have a DVD burner. Can you make copies of some of your stuff onto several DVD's so you have multiple copies of your phoitos,etc.
One option would be to make a new storage folder(s) (maybe named storage) staight off the main directory tree.
Move some of your large files into this storage folder and then you the "exclude" option to exclude this entire folder from the backup. This would reduce the size of your backup by about the size of the folder. Your backup of the storage folder would be the multiple copies of the DVD.
Ths procedure would enable you to keep 1 full with several incrementals and room enough for the next full to be created before the first full was deleted.
Even this is not a good procedure. Multiple backups on different disk is a better choice. A 2TB disk costs about $75.
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