On Wed, Oct 9, 2013 at 1:51 PM, Regid Ichira <regi...@nt1.in> wrote:
>
> It seems newer hardware is much more problematic in this sense. I
> think MS ovecomes this difficulty by somehow attaching a signature for
> each device. I don't have the details, don't know the pros and cons.
On a UEFI box, partitions are assigned UUIDs similar to filesystem UUIDs.
On my laptop, they are, as exposed by udev:
# ll /dev/disk/by-partuuid/
total 0
lrwxrwxrwx 1 root root 10 2013-10-10 04:28
287521a3-432b-4992-ab68-327d92791ade -> ../../sda2
lrwxrwxrwx 1 root root 10 2013-10-10 04:28
796cde65-0b7d-4ba4-8589-ee8e09ad47e2 -> ../../sdb2
lrwxrwxrwx 1 root root 10 2013-10-10 04:28
9500362d-9b00-4168-9b47-04c2b0204965 -> ../../sdb1
lrwxrwxrwx 1 root root 10 2013-10-10 04:28
f00e68a4-4645-44d6-b249-396e09b9844f -> ../../sda1
Are you sure that Microsoft's using these partition UUIDs? Or are you
referring to the fact that an EFI system partition (in Windows and in
Linux) is identified by a UUID
("C12A7328-F81F-11D2-BA4B-00A0C93EC93B") at boot?
This last UUID is a partition type and is recognized as "ef00" by
gdisk. (The "8300" of a regular Linux partition also has an equivalent
UUID.)
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