> Now, if this disk was copied byte per byte (/bin/dd) to a > 4096-based disk, and Linux would start using a sector size of > 4096, then I would suddenly have The ATA drives I'm aware of report 512 byte sector size, do 512 byte I/O's but use 4K physical sectors and to get sane performance except the OS to issue sensible sized I/O requests. - To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html