查看 Linux 设备 UUID 和文件系统类型
UUID
和 PARTUUID
能够避免设备名称变化导致的磁盘挂载错误。
查看设备 UUID
方法一
$ ls -l /dev/disk/by-uuid/
总用量 0
lrwxrwxrwx 1 root root 11 7月 24 16:26 007141b8-720d-460d-bc99-63a2cf7b8afd -> ../../md127
lrwxrwxrwx 1 root root 10 7月 24 16:26 3ad083a0-4fff-42d6-a975-81dc527df91f -> ../../sdc3
lrwxrwxrwx 1 root root 10 7月 24 16:26 50f21cc8-eb3e-4490-989e-307233b2e3bb -> ../../sdc2
lrwxrwxrwx 1 root root 10 7月 24 16:26 9471-186B -> ../../sdc1
方法二
$ sudo blkid
/dev/sda1: UUID="2e74fab8-3e14-80ea-2090-584eae3572bb" UUID_SUB="04ebddc1-38c8-cb74-647a-af4009d486eb" LABEL="any:mydata" TYPE="linux_raid_member" PARTLABEL="primary" PARTUUID="f68739c2-38fd-42da-a5c0-ee676e60ddee"
/dev/sdb1: UUID="2e74fab8-3e14-80ea-2090-584eae3572bb" UUID_SUB="af9b4df8-7456-0eb6-02db-de02d3f538ae" LABEL="any:mydata" TYPE="linux_raid_member" PARTUUID="81bba0c1-01"
/dev/md127: UUID="007141b8-720d-460d-bc99-63a2cf7b8afd" UUID_SUB="75ffc230-8f78-45f2-a7f3-173983bd3e28" TYPE="btrfs"
/dev/sdc1: UUID="9471-186B" TYPE="vfat" PARTUUID="e5938927-4aef-4329-af99-a05df7e4761f"
/dev/sdc2: UUID="50f21cc8-eb3e-4490-989e-307233b2e3bb" TYPE="ext4" PARTUUID="9ed4fbb7-5829-45e3-915c-8896c0b93337"
/dev/sdc3: UUID="3ad083a0-4fff-42d6-a975-81dc527df91f" TYPE="swap" PARTUUID="9355553e-651f-4647-958a-161dd242305f"
查看文件系统类型
$ df -T
文件系统 类型 1K-块 已用 可用 已用% 挂载点
udev devtmpfs 963416 0 963416 0% /dev
tmpfs tmpfs 194968 3548 191420 2% /run
/dev/sdc2 ext4 12663292 1333564 10666740 12% /
tmpfs tmpfs 974824 0 974824 0% /dev/shm
tmpfs tmpfs 5120 0 5120 0% /run/lock
tmpfs tmpfs 974824 0 974824 0% /sys/fs/cgroup
/dev/sdc1 vfat 523248 132 523116 1% /boot/efi
/dev/md127 btrfs 488385344 63385964 423112340 14% /home/herald/mydata
tmpfs tmpfs 194964 0 194964 0% /run/user/1000