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Re: parted 2.1 crash with (encrypted) Apple Core Storage partition

From: Chris Murphy
Subject: Re: parted 2.1 crash with (encrypted) Apple Core Storage partition
Date: Wed, 8 Feb 2012 14:24:47 -0700

On Feb 8, 2012, at 1:59 PM, Jim Meyering wrote:
> Now that I think of it, I'll bet this is an instance of that wrapped
> partition.  You've probably triggered an excursion into libparted code
> that is rarely used, to handle that wrapped/encrypted partition.

Does btrfs support sparse files?

I don't know how Apple's encrypted core storage scheme works, but security wise 
it *ought* to fill that logical volume with random data where there wouldn't 
otherwise be encrypted data. This is unlikely to be very compressible, it's 
about 80G worth of data on that partition, in that case. Otherwise, it's around 
6G compressed.

Copying the whole disk would probably be pretty big, as there are three 
operating systems on the disk. I'm thinking you may only want the encrypted 
partition. This would be much easier if 10.7 ran in VirtualBox.

Chris Murphy

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