①使用lsblk -f命令查看新添加的硬盘sdb [root@node04 ~]# lsblk -f NAME FSTYPE LABEL UUID MOUNTPOINT sdb sda ├─sda1 ext4 f901db3e-cf38-4899-8dc2-190e9884df6f /boot └─sda2 LVM2_member DSNFIu-ptjm-Eny8-lMW5-Wk10-V5o3-ZdP1E7 ├─vg_node04-lv_root (dm-0) ext4 64b53586-dedb-42aa-b8d…