lvm

fdisk -l
374 fdisk /dev/sdc
n
p
1
t
8e
w
375 pvcreate /dev/sdc1
376 df -h
377 vgextend VolGroup /dev/sdc1
378 vgs
379 lvextend -L +1000G /dev/mapper/VolGroup-lv_home
380 resize2fs /dev/mapper/VolGroup-lv_home

pvcreate /dev/sdb1
vgextend cl /dev/sdb1
lvextend -L +1000G /dev/cl/home
mount -t xfs /dev/cl/home
xfs_growfs /dev/cl/home
df -h

vgdisplay

lvdisplay
数据库密码 MAaNwXJ4

fdisk /dev/sdb

vgcreate datavg /dev/sdb1
lvcreate -L 999G -n lvdata datavg
mkfs.xfs /dev/datavg/lvdata
partprobe
mkdir /data
mount /dev/datavg/lvdata /data/
echo "/dev/datavg/lvdata /data xfs defaults 0 0" >>/etc/fstab
cat /etc/fstab
df -h
reboot