On Tue, 2 Dec 2008, Alex Bligh wrote:
--On 2 December 2008 08:55:17 -0500 Justin Piszcz <jpiszcz@xxxxxxxxxxxxxxx>
wrote:
# original flash
dd if=/dev/sda of=flash_disk.img
# with second flash flugged in
dd if=flash_disk.img of=/dev/sda
They must/should be the same sizes though.
I believe if you are copying the whole of sda, a larger destination disk
will not be problematic.
Alex
Alex, this is true but I have seen/done this before example:
80GB DD/Acronis => 500GB disk (albeit this was windows)..
It showed up as an 80 gigabyte disk/etc on the new hard drive even though
it had additional capacity available.
So yeah it should work, just don't count on being able to use the space,
in my case/example there was an encryption/disk product involved and dd
was the only way to move the data and if you tried to expand the partition
inside of the encryption product it would crash the machine/windows would
not boot correctly, etc.
Justin.
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