On Fri, 6 Jun 2014 18:11:03 -0600 Chris Murphy <lists@xxxxxxxxxxxxxxxxx> wrote: > # dd if=/dev/zero of=/dev/sda seek=430196560 count=2048 > dd: writing to ‘/dev/sda’: Input/output error > 1025+0 records in > 1024+0 records out > > It stops right at LBA 430197584, again with a read error. So even though the drive SMART health assessment is "pass" and there are no other SMART values below threshold indicating "works as designed" this drive has effectively failed because any write operation to this LBA results in unrecoverable failure. Hello, Try again with "oflag=direct"; If that doesn't help, remember this is a 4K-sector drive, maybe you should retry with bs=4096 (recalculating the offset so it still writes to the proper place). -- With respect, Roman
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