Use of -m is VERY DANGEROUS. Only the old IDE drivers work correctly with -m with kernels up to at least 2.6.29. libata drives may fail and get hung if you set this flag. Please supply the --yes-i-know-what-i-am-doing flag if you really want this. Program aborted.
hdparm -I /dev/sda
R/W multiple sector transfer: Max = 16 Current = 8states that my drive supports multi sector
What is the: --yes-i-know-what-i-am-doing flag Why is this operation so dangerous? Can it be used with SATA - man pages refers to IDE.