On 02/21/2013 10:30 AM, stone@xxxxxxxxx wrote: > dd if=/dev/zero bs=4096 count=1 seek=1073006628 of=/dev/sdc1 > dd: `/dev/sdc1': cannot seek: Invalid argument > 0+0 records in > 0+0 records out > 0 bytes (0 B) copied, 0,000493485 s, 0,0 kB/s > > is there a problem with the bs parameter? > shoud i try dd if=/dev/zero bs=512 count=8 seek=1073006628 of=/dev/sdc1 > ? How did you get 1073006628? That is around the 4T mark? Please show the badblocks output file. Phil -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html