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How to Back Up "Previous Systems"?
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Administrator  Join Date: Apr 2001
Location: San Antonio TX USA
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I just (naively) tried to copy my MBP's just-created "Previous Systems" folder to an external drive. No go-"one or more files in Previous Systems is not readable by you". Can I make an image of this folder using Disk Utility? Will everything be included in it? Obviously there's a lot of stuff in there that is sensitive, and I'm glad that it's well protected, but how can I back it up?
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Glenn -----
OTR/L, MOT, Tx
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Professional Poster
Join Date: Sep 2002
Location: New York, NY
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A disk image will do the trick. But there really isn't much if anything worth backing up.
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Vandelay Industries
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Posting Junkie
Join Date: Oct 2005
Location: Houston, TX
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Professional Poster
Join Date: Sep 2002
Location: New York, NY
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You forgot the -R option.
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Vandelay Industries
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Forum Regular
Join Date: Aug 2005
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Originally Posted by ghporter 
I just (naively) tried to copy my MBP's just-created "Previous Systems" folder to an external drive. No go-"one or more files in Previous Systems is not readable by you". Can I make an image of this folder using Disk Utility? Will everything be included in it? Obviously there's a lot of stuff in there that is sensitive, and I'm glad that it's well protected, but how can I back it up?
I think you can use a tool like Carbon Copy Cloner or Super Duper to backup such folders/files ...
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iMac Intel Core 2 Duo 2.66 GHz, 4 Gig RAM, 10.6.8
Macbook Pro Intel Core 2 Duo 3.06 GHz, 4 GB RAM, 10.6.8
iMac G5 2GHz, 1.5 GB RAM, 10.5.8
Macbook Air Core 2 Duo 4 Gig RAM, 10.6.8
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Clinically Insane
Join Date: Jun 2001
Location: planning a comeback !
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Originally Posted by ghporter
Obviously there's a lot of stuff in there that is sensitive, and I'm glad that it's well protected, but how can I back it up?
Uhm, it's not well protected at all. Anyone with admin rights can access the files, and (su)do anything to them.
-t
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Professional Poster
Join Date: Sep 2002
Location: New York, NY
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If you've already made sure you retrieved all your personal files and any necessary application support files, it's a waste of space. The only reason Apple preserves the previous system is to give you a chance to verify that the A&I didn't miss something. Once you've done that, toss it.
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Vandelay Industries
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Administrator Join Date: Apr 2001
Location: San Antonio TX USA
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Turtle, you obviously can get at any file you want. But there are files in the System folder that are marked so that I can't even read them, and you apparently have to change their attributes one-by-one... And the only reason I wanted to back it up was in case something came up down the road. Art, you're saying that all I have to do is make sure my apps work and my user data is available? That's a project to work on-should be pretty quick too. And it means I can recover the space the Previous Systems folder on my iMac is hogging too... Not that I'm hurting, but it's good to know.
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Glenn -----
OTR/L, MOT, Tx
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Professional Poster
Join Date: Sep 2002
Location: New York, NY
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Yeah, if everything works and all your files are accounted for, toss it. It's not something you can go back and boot from.
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Vandelay Industries
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Administrator Join Date: Apr 2001
Location: San Antonio TX USA
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Great. I think there's one app I haven't played with yet, so I'll check it out and probably get rid of the baggage.
Thanks all!
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Glenn -----
OTR/L, MOT, Tx
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