On Fri, 18 Mar 2022 17:30:07 +0500 Roman Mamedov <rm@xxxxxxxxxxx> wrote: > However there should not be such size difference in the first place If we look closely though, there actually doesn't appear to be: > On Thu, 17 Mar 2022 20:08:55 -0700 > Marc MERLIN <marc@xxxxxxxxxxx> wrote: > > > old drive: > > User Capacity: 6,001,175,126,016 bytes [6.00 TB] > > > > new drive: > > User Capacity: 6,001,175,126,016 bytes [6.00 TB] As for... > > 8 128 5860522584 sdi > > 8 129 5860521543 sdi1 > > > > 8 160 5860522580 sdk > > 8 161 5860521536 sdk1 Which tool returns this output? What do you get for blockdev --getsize64 /dev/sdi blockdev --getsize64 /dev/sdk If this returns the same size for both, wipe a few first MB the new drive with zeroes using dd, and try a different partitioning tool. -- With respect, Roman