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bit for bit copy?
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Forum Regular
Join Date: Jul 2004
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the data rescue saga continues
my drive is being seen in target disk mode now, and i'd like to simply make a bit-for-bit copy of it so i can format it and at least get my powerbook online again, and worry about rescuing my data afterwards.
is it possible, in OS 9 (it still won't see the drive in X), to make an exact bit for bit copy from one hard drive to another? i dont care about the data on the hard drive i'll be copying to.
EDIT: whoops, accidentally posted this under the X forum
(Last edited by nuggetman; Oct 30, 2004 at 02:37 PM.
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Mac Elite
Join Date: Nov 2001
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Originally posted by nuggetman:
the data rescue saga continues
my drive is being seen in target disk mode now, and i'd like to simply make a bit-for-bit copy of it so i can format it and at least get my powerbook online again, and worry about rescuing my data afterwards.
is it possible, in OS 9 (it still won't see the drive in X), to make an exact bit for bit copy from one hard drive to another? i dont care about the data on the hard drive i'll be copying to.
EDIT: whoops, accidentally posted this under the X forum
Disk utility *can* do block level copies. Make an image from a disk, and check "format target" and it will be a block level (bit for bit) copy. Though it's more appropriate to "make image from folder" as it will properly resize the image if you, say, copy from an 80 GB to a 180 GB HD. If you do the form with a block level copy (bit for bit) you'll lose the 100 GB.
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Professional Poster
Join Date: Apr 2001
Location: Long Beach, CA
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Originally posted by CatOne:
Disk utility *can* do block level copies. Make an image from a disk, and check "format target" and it will be a block level (bit for bit) copy. Though it's more appropriate to "make image from folder" as it will properly resize the image if you, say, copy from an 80 GB to a 180 GB HD. If you do the form with a block level copy (bit for bit) you'll lose the 100 GB.
You would not lose 100GB in this process. Also, I've had better luck using asr at the command line than using Disk Utility. The drive does not need to be able to mount for you to do this.
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ACSA 10.4/10.3, ACTC 10.3, ACHDS 10.3
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