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Beige G3: Mac boot partition damaged. How do I save my data?
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spindustrious
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Joined: 11 Oct 2003
Posts: 9
Location: NYC

PostPosted: Sun May 16, 2004 6:02 am    Post subject: Beige G3: Mac boot partition damaged. How do I save my data? Reply with quote

Hello,

So I was carelessly trying to use hpcopy to move a new kernel from my / partition to my MacOS partition and something went wrong.

In retrospect, I should have used something much less explosive like ftp to get the new kernel into place, but I wanted to be slick about it and mount the MacOS (HFS+) partition from within Linux.

Now, I can't get MacOS to boot from this drive. I get a system error shortly after the "Welcome to MacOS" banner announcing that the "file system map" is inconsistent. I'm not sure exactly what it means, but it's consistent with "the info this disk needs to be bootable is corrupted/invalid/not present."

I really can't afford to lose the data in the Linux partitions of this disk. I'm thinking that the Linux partitions should still be uncompromised even though the disk won't boot MacOS. Is this a reasonable hope to cling to?

I'm thinking of the following solution:
-Buy a new HDD (I need more space as it is)
-Get a MacOS/Gentoo system booting on it
-Add the disk with the damaged boot info to the Linux system as a secondary (ie non-booting) disk
-Rsync over key data
-Reformat damaged disk, use it for /home.

Will this work? If not, what will/might? Should I still be hopeful about saving the data?

Thanks,

Peter
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tumbak
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Joined: 10 Jan 2004
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PostPosted: Mon May 17, 2004 6:17 am    Post subject: Re: Beige G3: Mac boot partition damaged. How do I save my d Reply with quote

spindustrious wrote:


I really can't afford to lose the data in the Linux partitions of this disk. I'm thinking that the Linux partitions should still be uncompromised even though the disk won't boot MacOS. Is this a reasonable hope to cling to?


are you able to boot into linux just fine? I dont believe your linux partitions got corrupted.
we once had almost the same problem, we copied the whole drive through the network using dd and netcat and then mounted the image file just fine and we were able to restore 99% of the data. so fear nothing :)[/code]
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spindustrious
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Joined: 11 Oct 2003
Posts: 9
Location: NYC

PostPosted: Mon May 17, 2004 4:15 pm    Post subject: Reply with quote

No, it hasn't booted into Linux, because it's an Old-World machine, the kernel gets loaded by MacOS, which then hands things over to Linux.

I went out and bought a new drive. I used dd_rescue to copy the data over (which seemed to work).

I'm not sure if it worked because now I'm having other MacOS boot problems....

Thanks,

Peter
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