磁盘格式化，挂盘
[root@k10148008056 ~]# fdisk -l
[root@k10148008071 ~]# df -Th
Filesystem Type Size Used Avail Use% Mounted on
/dev/vdb1 xfs 500G 33M 500G 1% /oradata

[root@k10148008056 ~]# mkfs.xfs /dev/vdb

[root@k10138002151 u01]# cd /mnt
[root@k10138002151 mnt]# mkdir u01
[root@k10138002151 mnt]# cd u01/
[root@k10138002151 u01]# pwd
/mnt/u01

[root@k10138002151 u01]# mount /dev/vdb /mnt/u01
[root@k10138002151 u01]# df -h
/dev/mapper/ol-u01 27G 9.1G 18G 34% /u01
/dev/vdb 4.0T 33M 4.0T 1% /mnt/u01
[root@k10138002151 u01]# cp -a /u01/* /mnt/u01/
[root@k10138002151 u01]# rm -rf /u01/*
[root@k10138002151 u01]# umount /dev/vdb
[root@k10138002151 u01]# df -h
/dev/mapper/ol-u01 27G 347M 27G 2% /u01
tmpfs 797M 0 797M 0% /run/user/1001
[root@k10138002151 u01]# vi /etc/fstab
#/dev/mapper/ol-u01 /u01 xfs defaults 0 0
/dev/vdb /u01 xfs defaults 0 0
[root@k10138002151 /]# df -h
/dev/mapper/ol-u01 27G 347M 27G 2% /u01
tmpfs 797M 0 797M 0% /run/user/1001
[root@k10138002151 /]# mount -a
[root@k10138002151 /]# df -h
/dev/vdb 4.0T 9.1G 3.9T 1% /u01
tmpfs 797M 0 797M 0% /run/user/1001
[root@k10138002151 /]# cd /u01
[root@k10138002151 u01]# ll
total 4
drwxr-xr-x. 4 oracle oinstall 52 May 30 06:58 app
drwxr-xr-x. 3 oracle oinstall 4096 May 30 06:41 source
[root@k10138002151 u01]# pwd
/u01