root@ubuntu-110:/mnt# df -h
Filesystem Size Used Avail Use
udev 63G 0 63G 0
tmpfs 13G 12M 13G 1
/dev/sdm2 99G 96G 0 100
tmpfs 63G 96K 63G 1
tmpfs 5.0M 0 5.0M 0
tmpfs 63G 0 63G 0
/dev/sdm1 512M 200K 512M 1
tmpfs 13G 12K 13G 1
tmpfs 13G 0 13G 0
- - du :查看是哪个目录占空间较大
du -h
8.0K ./mnt
8.0K ./media
12M ./bin
2.8G ./usr
13M ./sbin
du: cannot access './proc/5202/task/5202/fd/3': No such file or directory
du: cannot access './proc/5202/task/5202/fdinfo/3': No such file or directory
du: cannot access './proc/5202/fd/4': No such file or directory
du: cannot access './proc/5202/fdinfo/4': No such file or directory
0 ./proc
14M ./etc
16K ./lost+found
0 ./sys
48K ./home
104K ./tmp
4.0K ./snap
100K ./dev
36M ./boot
du: cannot access './run/user/109/gvfs': Permission denied
12M ./run
4.0K ./opt
4.0K ./srv
295M ./lib
283M ./var
84G ./root
87G .
- 由此可见主要是root目录下占用存储空间较大
- 解决办法
- 挂载新的硬盘到root目录下:https://blog.csdn.net/u010456460/article/details/54292105(挂载/home目录)
- fdisk /dev/sdb 新建分区 && mkfs -t ext4 /dev/sdb1
- mkdir /mnt_tmp_root&& mount /dev/sdb1 /mnt/tmp_root && cp -a /root/* /mnt/tmp_root/
- umount /dev/sdb1 && mount /dev/sdb1 /root
- 开机自动挂载:在 /etc/fstab中新增 /dev/sdd1 /root ext4 defaults 1 2
- 问题遗留