查看磁盘分区UUID的四种方法（Helloblock写作）
1、使用/dev/disk/by-uuid目录
[root@server ~]# ls -l /dev/disk/by-uuid
总用量 0
lrwxrwxrwx. 1 root root 10 8月 19 00:45 bec50c5d-090c-47ad-83d5-25328b4ab7ec -> ../../sda1
2、使用blkid命令
[root@ server ~]# blkid -s UUID /dev/sda1
/dev/sda1: UUID="bec50c5d-090c-47ad-83d5-25328b4ab7ec"
3、使用tune2fs命令
[root@ server ~]# tune2fs -l /dev/sda1 |grep 'UUID'
Filesystem UUID: bec50c5d-090c-47ad-83d5-25328b4ab7ec
4、使用dumpe2fs命令
[root@ server ~]# dumpe2fs /dev/sda1 |grep 'UUID'
dumpe2fs 1.41.12 (17-May-2010)
Filesystem UUID: bec50c5d-090c-47ad-83d5-25328b4ab7ec
