mkfs.xfs /dev/sdb
mkdir 挂载点
echo “/dev/sdb /挂载点 xfs defaults,noatime,nodiratime,nobarrier 0 0” >> /etc/fstab
mount -a

扩展系统盘：
lvextend /dev/mapper/VolGroup00-LogVol03 -l 100%FREE
xfs_growfs /dev/mapper/VolGroup00-LogVol03