1、查看:fdisk -l
Disk /dev/xvdb: 214.7 GB, 214748364800 bytes
255 heads, 63 sectors/track, 26108 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
檢查分區還有很多沒有使用,與上面的對比,以確定
df -Th
/dev/xvdb ext4 20G 12G 7.3G 61% /home
2、取消掛載
umount /home
3、調整
e2fsck -f /dev/xvdb
resize2fs -p /dev/xvdb 200G
4、重新掛載
mount /dev/xvdb /home
5、檢查是否成功
df -Th
/dev/xvdb ext4 197G 12G 176G 7% /home