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Time Machine on two laptops post migration?
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Mac Elite
Join Date: Mar 2003
Location: London/Plymouth, England
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Hi everybody!
Recently got a mbp to complement my tibook. I migrated across from the tibook successfully.
Now I was using time machine with tibook and had thought it possible to use time machine with both using the same backup drive. but obviously the time machine backup believes that both are the same machine.
any hints?
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Moderator  Join Date: Oct 2001
Location: San Jose, CA
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Huh?
Maybe two partitions on the backup drive, one for each machine?
Steve
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Celebrating 10 years and 4000 posts on MacNN!
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Mac Elite
Join Date: Mar 2003
Location: London/Plymouth, England
Status:
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I had been told that you can use the same partition for the backups.
but also you need a hdd bigger than the one you have in the thing to be backed up.
I have a 160Gb one in my TiBook which has been backing up fine to a 250Gb partition of a 500Gb drive.
I have a 250Gb drive in the MBP.
I think it looks like I need to get bigger drive, but seems like a lot of waste of space for backing up! You cannot access the old backups on the new (migrated to) system which is understandable, and I would have thought that vice-versa is true too.
I'm just not yet ready to retire the TiBook, though I do mainly use the MBP...
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Moderator Join Date: Oct 2001
Location: San Jose, CA
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Offline
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I don't understand. You want to backup two completely different machines to the same Time Machine partition? One is going to overwrite the other. This doesn't make sense. What are you trying to accomplish here? You either need two drives or two partitions because the contents of the two machines are different from each other.
Steve
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Celebrating 10 years and 4000 posts on MacNN!
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Posting Junkie
Join Date: Dec 2000
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Actually, Time Machine separates backups by MAC address, so you should be able to run them both on the same partition, and it shouldn’t see them as the same machine at all.
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Mac Elite
Join Date: Mar 2003
Location: London/Plymouth, England
Status:
Offline
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thanks charles.
so it will do 2 separate back-ups and I will need about 500Gb just for the back ups (250 + 160) right?
cheers guys, I know I probably didn't express myself very well!
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Moderator Join Date: Oct 2001
Location: San Jose, CA
Status:
Offline
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Originally Posted by CharlesS 
Actually, Time Machine separates backups by MAC address, so you should be able to run them both on the same partition, and it shouldn’t see them as the same machine at all.
So there'd be two separate sparseimages on the same partition? Sounds confusing. And I'm not sure I'd trust it.
Steve
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Celebrating 10 years and 4000 posts on MacNN!
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