卸载普通分区并加入lvm分区(centos6)

df -h

Filesystem            Size  Used Avail Use% Mounted on

/dev/sda2             9.8G  266M  9.0G   3% /

tmpfs                  32G  4.0K   32G   1% /dev/shm

/dev/sda1             477M   42M  411M  10% /boot

/dev/mapper/home-LogVolhome

                       98G   60M   93G   1% /home

/dev/mapper/system-LogVolopt

                       30G  572M   28G   2% /opt

/dev/mapper/system-LogVoltmp

                      4.8G   11M  4.6G   1% /tmp

/dev/mapper/system-LogVolusr

                       98G  3.4G   90G   4% /usr

/dev/mapper/system-LogVolvar

                      766G  721G  6.2G 100% /var

/dev/sdb1             3.6T   68M  3.4T   1% /var/data

 

vim /etc/fstab

mount –a

umount /var/data

#报错,/var/data is busy

fuser -m -v /var/data

umount /var/data

parted /dev/sdb

         print

         rm 1

         print

         mklabel gpt

         mkpart primary 0 4000G

         i

         set 1 lvm on

         print

         quit

pvcreate /dev/sdb1

vgextend system /dev/sdb1

lvextend -l +100%FREE /dev/mapper/system-LogVolvar

resize2fs /dev/mapper/system-LogVolvar

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