ubuntu获取存储设备的卷标

综合比较可知， blkid 命令是最可靠的获取方式。

root@ubuntu:~# blkid /dev/sda1: UUID="05c72939-7771-405b-a417-3d2e9e34c3b7" TYPE="ext4" /dev/sda5: UUID="7c9bd388-581b-49f3-996f-8d4c26932739" TYPE="swap" /dev/sdb1: LABEL="BOOT" UUID="68AB-85A4" TYPE="vfat" /dev/sdb2: LABEL="ROOTFS" UUID="2c884457-40a0-4d3e-9681-e866bcec34b2" TYPE="ext3" root@ubuntu:~# root@ubuntu:~# e2label  /dev/sdb2 ROOTFSroot@ubuntu:~# e2label  /dev/sdb1e2label: Bad magic number in super-block 当尝试打开 /dev/sdb1 时找不到有效的文件系统超级块.root@ubuntu:~# root@ubuntu:~# tune2fs -l  /dev/sdb2tune2fs 1.41.11 (14-Mar-2010)Filesystem volume name:   ROOTFSLast mounted on:          /media/video/ROOTFSFilesystem UUID:          2c884457-40a0-4d3e-9681-e866bcec34b2Filesystem magic number:  0xEF53Filesystem revision #:    1 (dynamic)Filesystem features:      has_journal ext_attr resize_inode dir_index filetype needs_recovery sparse_super large_fileFilesystem flags:         signed_directory_hash Default mount options:    user_xattr aclFilesystem state:         cleanErrors behavior:          ContinueFilesystem OS type:       LinuxInode count:              435024Block count:              1736704Reserved block count:     86834Free blocks:              1458029Free inodes:              418691First block:              0Block size:               4096Fragment size:            4096Reserved GDT blocks:      423Blocks per group:         32768Fragments per group:      32768Inodes per group:         8208Inode blocks per group:   513Filesystem created:       Thu Mar 23 18:42:23 2017Last mount time:          Mon Nov  6 13:51:59 2017Last write time:          Mon Nov  6 13:51:59 2017Mount count:              62Maximum mount count:      -1Last checked:             Thu Mar 23 18:42:23 2017Check interval:           0 (<none>)Lifetime writes:          882 MBReserved blocks uid:      0 (user root)Reserved blocks gid:      0 (group root)First inode:              11Inode size:           256Required extra isize:     28Desired extra isize:      28Journal inode:            8Default directory hash:   half_md4Directory Hash Seed:      e9e08be3-d7ea-47dd-b9d5-efeb56e744fcJournal backup:           inode blocksroot@ubuntu:~# 

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配合 awk 或者 cut 命令 提取LABEL

root@ubuntu:~# root@ubuntu:~# blkid /dev/sdb2 | awk -F " " '{print $2}' | awk -F "\"" '{print $2}'ROOTFSroot@ubuntu:~# blkid /dev/sdb1 | awk -F " " '{print $2}' | awk -F "\"" '{print $2}'BOOTroot@ubuntu:~# root@ubuntu:~# blkid /dev/sdb2 | cut -d " " -f 2LABEL="ROOTFS"root@ubuntu:~# blkid /dev/sdb2 | cut -d " " -f 2 | cut -d "\"" -f 2 ROOTFSroot@ubuntu:~# blkid /dev/sdb1 | cut -d " " -f 2 | cut -d "\"" -f 2 BOOTroot@ubuntu:~# blkid /dev/sda1 | cut -d " " -f 2 | cut -d "\"" -f 2 05c72939-7771-405b-a417-3d2e9e34c3b7root@ubuntu:~# blkid /dev/sdb1 | cut -d "LABEL=" -f 2cut: 分界符必须是单个字符请尝试执行"cut --help"来获取更多信息。root@ubuntu:~# blkid /dev/sdb1 | awk -F "LABEL=" '{print $2}' "BOOT" UUID="68AB-85A4" TYPE="vfat" root@ubuntu:~# root@ubuntu:~# blkid /dev/sdb1 | awk -F "LABEL=" '{print $2}' | awk -F "\"" '{print $2}'BOOTroot@ubuntu:~# blkid /dev/sda1 | awk -F "LABEL=" '{print $2}' | awk -F "\"" '{print $2}'root@ubuntu:~#