ogra at ubuntu.com
Mon Jun 25 19:00:48 UTC 2018
Am Montag, den 25.06.2018, 11:04 -0700 schrieb Bob:
> > That was not a good way to do it. It will copy the partition
> > structures for a 500GB drive onto the bigger one, leading to an
> > incorrect partition map.
> The partition map is the same on both drives except for the free
> space at the
> end of the larger disk.
> What makes the map on the larger drive invalid?
nothing will be invalid, but if you create a fresh partition table the
tool creating it usually talks to the controller to align the sectors
properly to the physical sectors of the hardware to give you the best
performance. that alignment will be gone which can make you miss some
disk access performance. beyond this, a partition table is indeed just
a partition table (and gparted will likely also adjust it once you
resize the partition)
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