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Windows 7: alternating backup media


12 Jan 2012   #1

Wondows 7 Pro x64
 
 
alternating backup media

I alternate between two network hard drives on a weekly basis and backup everyone's PC , some on a daily basis, some less often. I have been wondering about how does the Windows 7 Backup figures out how to back up incrementally. One thing for sure, the list of folders keeps growing. Can I clean up some of the much older backup folders? Does the software simply backup an entire file if a previous folder that contained an older version of that file no longer exists?

Can someone please shed some light on the way the folders are arranged on the backup media?


Thanks,
IT newbie



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19 Jan 2012   #2

Wondows 7 Pro x64
 
 

[QUOTE=aamiri;1741837]I alternate between two network hard drives on a weekly basis and backup everyone's PC , some on a daily basis, some less often. I have been wondering about how does the Windows 7 Backup figures out how to back up incrementally. One thing for sure, the list of folders keeps growing. Can I clean up some of the much older backup folders? Does the software simply backup an entire file if a previous folder that contained an older version of that file no longer exists?

Can someone please shed some light on the way the folders are arranged on the backup media?


Thanks,
IT newbie
My System SpecsSystem Spec
19 Jan 2012   #3

 
 

I don't know if this will help. I can't recall the event id (4098?) that gets written to the application event lot when a successful FILE backup (as you are discussing) occurs. In that event, if you look at the XML, there might be some flags/fields in there saying if a given backup was incremental, etc.

You can delete/manage your FILE backups from the Backup and Restore GUI panel, clicking on the blue MANAGE link. The next screen allows you to selectively delete Backups (IIRC).
My System SpecsSystem Spec
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26 Jan 2012   #4

Wondows 7 Pro x64
 
 

I wasn't able to carry out the suggestion since there is no "MANAGE" button on the Backup and Restore GUI. I am using Windows 7 Professional. Can you please elaborate?
My System SpecsSystem Spec
26 Jan 2012   #5

 
 

It should be there IF you have taken a backup at some point (and your initial post shows you have BUT those are on a network drive). Make sure on the GUI you have the network drive pointed to correctly such that it will look there for backups and, we hope, respond with the MANAGE link being shown.
My System SpecsSystem Spec
07 Feb 2012   #6

Wondows 7 Pro x64
 
 
alternating backup media

Thank you for your help. I did find the "Manage Space" link and used it to delete some backup "sets".

I guess what I still don't fully understand is how the sets are put together.

1. Since the backup is incremental, are the sets self contained or interdependent?
2. If independent, how does the backup program decide when to start a new set?
My System SpecsSystem Spec
07 Feb 2012   #7

 
 

1) I would think Set means just that. A logical grouping of backups (incremental).

2) I'm not sure about File Backup, but on System Image, there are registry settings that say how many DAYS pass until a new one will be complete (non-incremental). Maybe these registry settings apply to both File backup and System Image. I don't know.
My System SpecsSystem Spec
07 Feb 2012   #8

Wondows 7 Pro x64
 
 
alternating backup media

Thanks again Jim.
Too bad there is no documentation anywhere to read up on it. Or is there?
My System SpecsSystem Spec
07 Feb 2012   #9

Windows 7 Home Premium x64 SP1
 
 

Hello aamiri

After your first/initial backup a backup set will be created. All future backups are incremental to that set and are saved as per how often you have set it to run. Windows will create a new backup set when it either sees fit or after a system restore or other event where it feels a new set should be created. Previous sets can then be deleted if you wish to save space however those previous versions of files will be unavailable when deleted.

Heres some reading for you -
Backup User and System Files
Backup - Make a "Create New Backup" Shortcut
Backup - Make a "Create Incremental Backup" Shortcut

Danny
My System SpecsSystem Spec
07 Feb 2012   #10

Wondows 7 Pro x64
 
 
alternating backup media

Hi Danny,

Thanks for your help and posting the link. That's very helpful.
My System SpecsSystem Spec
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 alternating backup media




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