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backup settings advice

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Hi

i am setting up backups and need some advice on the setup
i am backing up 2 machines to a 1.5TB nas

i would like to have the backups run like this:

the first backup is a full backup and then every night a differential backup is done
i would like to if possible - the next night for the differential backup to be consolidated with the full backup

so instead of doing a new full backup it is just updating the full with the differential

i don't need to be able to restore to a certain date i just need to be able to restore a pc in case of hardware failure and security of information.

can anyone give some advice on how to set this sort of backup? in terms of retention rules?

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Perhaps someone else can help you with Acronis retention rules, but my suggestion is something different.

Using your method, unless you have other backups stored elsewhere, if your merged backup becomes corrupt, you have no usable backups. And experience has shown, that lost files or problem files are often not found for several days or weeks.

My suggestion is for you to consider the use of Chain2Gen listed in my signature index below. This offers lots of choices in backup retention. The guide illustrates using incremental but it works with differential backup type as well.

Hello all!

Thank you, anthony, for opening the thread and mane thanks to GroverH for his reasonable comment.

I just would like to add that should GroverH's solution fail to suit you, I would advise you to set the retention rules to consolidate the backup every day.

In order to archive it you need to select the time frames for the full and differential backups, and than specify Choose option

Clean up archive -> Using retention rules

After it a windows with settings will pop-up, so you will need to choose to delete backups older than 1 day -> consolidate backups. (see screenshot attached).

I would appreciate if you could kindly let us know whether something is still confusing you or you have any additional questions - we will be glad to help you!

Thank you!

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19899-87373.JPG 84.81 KB

Accumulated backup files are now four times the size of the HD they are backing up.

Hello,
I'm wondering if the advice given above will help me.
I am running Acronis True Image Home 2009 with windows XP.

Some time ago, I followed the prompts and set up a weekly backup schedule. I have acronis backing up my computer's HD to a external HD. I figured that acronis would perform a base back up and then add incremental backups weekly. This does not appear to be happening. Although I only have 29GB of used space on my computer's HD, I now have 117GB of backups on my external HD.

It would seem to me that the program is just adding the new backups on top what is already there -- somehow I thought acronis would automatically overwrite the previous incremental backups with each new one.

How can I set up my weekly backup so it only adds new stuff to the previous backup, thus not filling up my external HD with unecessary files?
Is this where the "retention rules" come in?
Sorry, but I'm new to this.
John Kestler

John,
As I suggested above, Chain2Gen can be the solution. As described in the C2G readme pdf,

You use TrueImage scheduler to create a task where you schedule the frequency of backups. Then, the parameters you set for C2G controls how many full backups or inc you want to keep. In other words, C2G is a helper program in the control of how many backups are to be retained and helps you to control how frequently a full backup is created. Look over the documentation. Read it several times. You will find it is not difficult but does require attention to detail.

If you are running out of backup space, then you will have to delete space and start over or use a different disk.

In post #1, you mention differential backups but in post #3 you mention incremental backups so I am uncertaiin as to which you want combine with the initial base full backup. Item 7H of my signature index discusses the differences between incremental and differential type backups. Differences also discussed in this link. http://forum.acronis.com/content/1536