disk entry in fstab
UUID=f37c75cd-29d0-4307-a722-444feda837eb none xfs defaults 0 0
[root@mail ~]# sudo blkid
/dev/sdb1: PARTUUID="5d8d1913-2c46-4e80-8564-4a8b70c1a516"
/dev/sdb2: UUID="c7c1b6d5-0619-45e9-af85-229de5fbbefa" BLOCK_SIZE="4096" TYPE="xfs" PARTUUID="5d29cf1a-9859-4e91-ba9b-1162d0d2a77e"
/dev/sdb3: UUID="217ed564-e423-4b78-aab1-ac22170dabcf" TYPE="swap" PARTUUID="1b8f1851-0f06-4838-9cec-5d7d6f471bf6"
/dev/sdb4: UUID="7bb2b762-fd83-4241-864e-6552fb3a54eb" BLOCK_SIZE="4096" TYPE="xfs" PARTUUID="168d030a-d12a-4d95-a4fe-2625380a1d43"
/dev/sda1: PARTUUID="e498b281-df3e-4431-91df-370fdd917d8a"
/dev/sda2: UUID="518387f9-3233-4620-8bb8-38640fd6830e" BLOCK_SIZE="4096" TYPE="xfs" PARTUUID="fc2c3f98-fb9b-4a2c-aa52-5143e5e1ba2e"
/dev/sda3: UUID="862ea47e-ade2-4b85-a631-fffd4f28ff2c" TYPE="swap" PARTUUID="b76e76f5-d31c-4416-ae84-e79a4de751a3"
/dev/sda4: UUID="f37c75cd-29d0-4307-a722-444feda837eb" BLOCK_SIZE="4096" TYPE="xfs" PARTUUID="1870126b-2818-4181-9222-97713196140d"
[root@mail ~]# df -h
Filesystem Size Used Avail Use% Mounted on
devtmpfs 32G 0 32G 0% /dev
tmpfs 32G 0 32G 0% /dev/shm
tmpfs 32G 298M 32G 1% /run
tmpfs 32G 0 32G 0% /sys/fs/cgroup
/dev/sda4 9.1T 2.0T 7.2T 22% /
/dev/sda2 1014M 236M 779M 24% /boot
tmpfs 6.3G 16K 6.3G 1% /run/user/42
tmpfs 6.3G 0 6.3G 0% /run/user/0
/dev/sdb4 9.1T 4.0T 5.2T 44% /backup
UUID=862ea47e-ade2-4b85-a631-fffd4f28ff2c none swap defaults 0 0
vi /etc/fstab
UUID=f37c75cd-29d0-4307-a722-444feda837eb none xfs defaults 0 0
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