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djxpress

macrumors member
Original poster
Nov 6, 2010
59
11
I've got this weird problem with Time Machine. I backup manually to an external 2 TB drive every Wed. and Sunday. I've been doing this for the last year. So I basically have 2 backups every 7 days.

I noticed that the last 10 backup dates are fine, with two backups occurring every 7 days like I've done. However, at the 11th backup (and each one thereafter), Time Machine is only showing one backup every 7 days. I verified this in Time Machine as well as a program called Time Tracker and also manually browsing the hard drive.
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Anyone have any ideas what's going on? Is Time Machine somehow consolidating my backup schedule after a certain point, sort of how it does the to auto backups (each hour for 24 hours, then once a day for a month, then once a week, etc.)

And no it doesn't have to do with a lack of hard drive space. I've only used .15 TB of a 2 TB drive.
 
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