centos7合并home分区到根分区/
-----------合并分区----------
umount /home
mkdir /home1
mount /dev/mapper/centos-home /home1
cd /home1
mv * /home
cd ..
umount /home1
lvremove /dev/mapper/centos-home
rm -rf /home1
vgs
lvextend -L +491.65G /dev/mapper/centos-root
----------491.65G,该参数需要看VGS后VFree下面显示的实际可用空间进行配置(失败的则少0.01G即可)。
resize2fs -p /dev/mapper/centos-root
提示:
resize2fs 1.42.9 (28-Dec-2013) resize2fs: Bad magic number in super-block while trying to open /dev/mapper/centos-root Couldn't find valid filesystem superblock.
更换成下面即可:
xfs_growfs /dev/centos/root df -h
vi /etc/fstab 删除home的一行
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