在Linux上,我可以smartctl用来获取硬盘驱动器的供应商,型号,固件版本和序列号: # smartctl -a /dev/sdb smartctl 5.40 2010-07-12 r3124 [x86_64-unknown-linux-gnu] (local build) Copyright (C) 2002-10 by Bruce Allen, http://smartmontools.sourceforge.net Device: SEAGATE ST9300603SS Version: 0006 Serial number: 6SE1ZCSR0000B121LU63 Device type: disk Transport protocol: SAS 硬盘的序列号(在此处6SE1ZCSR0000B121LU63)是否保证是全局唯一的?它仅对特定供应商唯一吗?甚至是特定的型号?