Chris Murphy wrote: > 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?
Yes. > 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. You're right that I may be able to reproduce simply with one of those encrypted partitions. Can you create a minimal one and send it?
