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OS X - Operating System General OS operation information and support

Time Machine backing up 70GB every time even with no changes??


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dennyc123

 
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Hi my time machine has gone a little funny recently, it seems to be doing almost a full back up every time it starts up. I dont have many docs on my macbook so the backup isnt too large, but every back up time machine does is around 70GB, even if it backs up again an hour later, its another 70gb. This has led to my external drive being full very quickly as you can imagine.

This has only recently begun since I turned off keeping a copy of the latest backup on my computer as well. Could this be the cause?

I just want to get this fixed as at the moment my time machine is backing up 24 hours a day now.

thanks in advance!
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mrplow

 
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Quote:
This has only recently begun since I turned off keeping a copy of the latest backup on my computer as well. Could this be the cause?
Can you elaborate on this please?
Where have you put this backup?
In what format?
Where did it come from?

External hard disk acquisition addict - but admitting the problem is the first step to a robust backup

Please use the reputation system if you think you've been helped - top right of this post
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dennyc123

 
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Hi here is the previous thread i launched as my hard drive was filed with backups

MacBook Hard drive filled with Backups??

could this be causing the issue I have with my time machine now?

It is backed up to a WD world edition 2 white light NAS and it has always worked fine to that.
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mrplow

 
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I've only had time to skim the other thread but the upshot is that you've turned of local backups.

i.e. these are temporary TM backups made when the main Time Machine disk isn't available.

Are these local backups still present on your Mac?

External hard disk acquisition addict - but admitting the problem is the first step to a robust backup

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dennyc123

 
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I am pretty sure these arent present as there is nothing showing in the about my mac section where it shows you the hard drive space.

Can I turn this section back on then?
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No, I'm just trying to ascertain where this 70GB is coming from. Perhaps the backup isn't completing correctly.

It's your call but for me, I'd wipe the TM drive and start a fresh, new TM backup.

Perhaps others will have a more progressive solution

External hard disk acquisition addict - but admitting the problem is the first step to a robust backup

Please use the reputation system if you think you've been helped - top right of this post
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dennyc123

 
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Ok well I have decided to bite the bullet and I have completely wiped the old drive and started again with a new fresh time machine backup. I will let you know how it goes once its finished its second backup.
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dennyc123

 
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Ok i wasnt expecting that.... my time machine just did a backup, and decided my total back up was 2.36GB, compared to about the 300GB it should be.

What could of caused TM to decide on doing such a small backup when there were no backups done beforehand?
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dennyc123

 
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Ok i formatted the drive and did a clean time machine backup and everything seems to be running fine now, i think having two Macs using the same drive to backup was causing the problem (I dont use a time capsule which can handle multiple users).

thanks again though!
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