1.格式化新分区
fdisk /dev/sda n, 默认 ,w创建/dev/sda3
重启机器
格式化 mkfs.xfs /dev/sda3
2.创建对应的vg,并扩容
pvcreate /dev/sda3
vgs
vgextend centos /dev/sda3
vgs
lvs
lvextend -L +49G /dev/mapper/centos-root
lvextend -l +100 /dev/mapper/centos-root
lvs
df -h
xfs_growfs /dev/mapper/centos-root
df -h
3.格式化/dev/sdb
#格式化 /dev/sdb
fdisk /dev/sdb
n, 默认,w
mkfs.ext4 /dev/sdb1 ;
mkdir /data;
mount /dev/sdb1 /data;
echo "/dev/sdb1 /data ext4 defaults 0 0" >> /etc/fstab;
cat /etc/fstab;
df -h