Hi: I'm a user of sg3_utils-1.28. When I use sg_start to spin down some USB External Hard Disk , some does work and some does not work , can you give me some advise?
I have tried commands listed below, they all failed: sg_start --stop /dev/sda sg_start --pc=2 /dev/sda sg_start --pc=3 /dev/sda sg_start --pc=5 /dev/sda I have tried USB enclosures listed below, they all failed: Brand / Chipset / Size / Type / Err Msg ============================================================================== Tekram / Ali m5621 / 2.5 / IDE / Sonny / Au8390 / 2.5 / IDE / Hitachi / CY7C68300C-56PVXC / 2.5 / IDE / IBM / B31-MBL / 2.5 / IDE / Newman / GL811E / 2.5 / IDE / invalid field in cdb GigaSave / GL850 0452MKOY1-16 / 3.5 / IDE / Keshuo / JM20339 / 3.5 / SATA / Thank you for your help!