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understanding backups

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Apparently I don't know squat when it comes to the backup types. I have TIH 2012 and performed an initial full back up and configured it (so I thought) to perform an incremental backup 2x a week and a full backup every month. Well as the backups continued to grow and take up space I reviewed the tib files and deleted several months of older backups (from Windows Explorer).
Earlier this week I noticed some problems with my desktop so I loaded acronis and attempted to go back a couple weeks to undo changes. I received a popup message asking for the location of volume 1. I looked into this error and figured out acronis was asking for the first incremental backup file. I attempted to point it to the most recent full version and it still failed to continue with the recovery process. I looked at the files in the recovery manager and noticed that all of the backups are listed as incremental, even the dates where I thought I configured it to perform a full backup. Some of the incremental backups are over 50GB which coincides with the size of a full backup and the date for the full backup to occur.

Why TIH can't use a single full version backup is puzzling, but I assume I did not configure it properly since all the files are listed as incremental. Anyone know if using differential backups would be better and allow me to remove backups no longer needed without requiring a full chain of backups?

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HI C130Load,

1. Are you using one or two two backups tasks.

2. Check this link to understand the differences between Inc an Dif type backups.

http://forum.acronis.com/forum/38799#comment-122496

One option would be to create a custom task/incremenal (inc example below) with a setting of 1 full and 7 incrementals.
The first week would be 1 full and 1 inc; 2nd week would be 2 inc; 3rd week would be 2 inc; 4 week would be 2 inc;
On the start of the following week (last week of month or 1st week of another month or mixed), the task would repeat itself.

Depending upon how many 4 week backups (option=x recent version version chains) you want to keep, this setting (example shows 4) controls how many groups of 8 you want to retain. After first 4 week period, oldest will be deleted as new one's are created.

As for scheduling, you could use the weekly method and select two days on that list of 7 which would repeat each week.
or, another scheduling option would be to choose the Monthly and select 10 different dates--each two days apart, such as 1, 4, 7, 10, 13, 16, 19, 22, 25, 28. A repeat would begin on the 1st of the following month.

Neither schedule is exactly what you might prefer but not knowing for sure what you want, the above could be options.
You could also use two tasks and one task could be monthly only. A lot depends upon your needs and storage space for backups.
C130 is a workhorse.