우분투 root 용량 늘리기

df -h를 해보면

 

root@tommypagy-VirtualBox:~# df -h Filesystem                   Size  Used Avail Use% Mounted on udev                         466M     0  466M   0% /dev tmpfs                         99M  1.4M   97M   2% /run /dev/mapper/ubuntu--vg-root  8.9G  7.7G  672M  93% / tmpfs                        491M     0  491M   0% /dev/shm tmpfs                        5.0M  4.0K  5.0M   1% /run/lock tmpfs                        491M     0  491M   0% /sys/fs/cgroup /dev/loop1                   2.3M  2.3M     0 100% /snap/gnome-system-monitor/157 /dev/loop2                    62M   62M     0 100% /snap/core20/1434 /dev/loop3                   640K  640K     0 100% /snap/gnome-logs/103 /dev/loop0                   768K  768K     0 100% /snap/gnome-characters/741 /dev/loop4                    44M   44M     0 100% /snap/snapd/15177 /dev/loop5                   384K  384K     0 100% /snap/gnome-characters/708 /dev/loop6                   640K  640K     0 100% /snap/gnome-logs/106 /dev/loop7                   2.7M  2.7M     0 100% /snap/gnome-calculator/920 /dev/loop8                    56M   56M     0 100% /snap/core18/2409 /dev/loop9                    45M   45M     0 100% /snap/snapd/15534 /dev/loop10                  128K  128K     0 100% /snap/bare/5 /dev/loop11                   66M   66M     0 100% /snap/gtk-common-themes/1519 /dev/loop12                  249M  249M     0 100% /snap/gnome-3-38-2004/99 /dev/loop13                  219M  219M     0 100% /snap/gnome-3-34-1804/77 /dev/loop14                  2.5M  2.5M     0 100% /snap/gnome-calculator/884 /dev/loop15                  219M  219M     0 100% /snap/gnome-3-34-1804/72 /dev/loop16                  2.7M  2.7M     0 100% /snap/gnome-system-monitor/174 /dev/loop17                   62M   62M     0 100% /snap/core20/1376 /dev/loop19                   66M   66M     0 100% /snap/gtk-common-themes/1515 /dev/loop18                   56M   56M     0 100% /snap/core18/2344 tmpfs                         99M   28K   99M   1% /run/user/121 tmpfs                         99M     0   99M   0% /run/user/1000

/dev/mapper/ubuntu--vg-ubuntu--lv 이 100% 가까이 나올때가 있습니다

 

이때부터 용량이 부족하다고 아무것도 안됩니다

 

이럴때 아래와 같이 하면 됩니다

 

/dev/mapper/ubuntu--vg-ubuntu--lv 가 100% 차 있을때는 안될때가 있습니다

 

이럴때는 파일을 지워서 용량을 99%까지 만들고 실행하시면 됩니다

 

root@tommypagy-VirtualBox:~# lvm
lvm>  lvextend -l +100%FREE /dev/mapper/ubuntu--vg-root
  Size of logical volume ubuntu-vg/root changed from <9.01 GiB (2306 extents) to <18.81 GiB (4815 extents).
  Logical volume ubuntu-vg/root successfully resized.

root@tommypagy-VirtualBox:~# resize2fs /dev/mapper/ubuntu--vg-root
resize2fs 1.44.1 (24-Mar-2018)
Filesystem at /dev/mapper/ubuntu--vg-root is mounted on /; on-line resizing required
old_desc_blocks = 2, new_desc_blocks = 3
The filesystem on /dev/mapper/ubuntu--vg-root is now 4930560 (4k) blocks long.

root@tommypagy-VirtualBox:~# df -h
root@tommypagy-VirtualBox:~# df -h
Filesystem                   Size  Used Avail Use% Mounted on
udev                         466M     0  466M   0% /dev
tmpfs                         99M  1.3M   97M   2% /run
/dev/mapper/ubuntu--vg-root   19G  7.8G  9.9G  44% /
tmpfs                        491M     0  491M   0% /dev/shm
tmpfs                        5.0M  4.0K  5.0M   1% /run/lock
tmpfs                        491M     0  491M   0% /sys/fs/cgroup
/dev/loop1                   2.3M  2.3M     0 100% /snap/gnome-system-monitor/157
/dev/loop2                    62M   62M     0 100% /snap/core20/1434
/dev/loop3                   640K  640K     0 100% /snap/gnome-logs/103
/dev/loop0                   768K  768K     0 100% /snap/gnome-characters/741
/dev/loop4                    44M   44M     0 100% /snap/snapd/15177
/dev/loop5                   384K  384K     0 100% /snap/gnome-characters/708
/dev/loop6                   640K  640K     0 100% /snap/gnome-logs/106
/dev/loop7                   2.7M  2.7M     0 100% /snap/gnome-calculator/920
/dev/loop8                    56M   56M     0 100% /snap/core18/2409
/dev/loop9                    45M   45M     0 100% /snap/snapd/15534
/dev/loop10                  128K  128K     0 100% /snap/bare/5
/dev/loop11                   66M   66M     0 100% /snap/gtk-common-themes/1519
/dev/loop12                  249M  249M     0 100% /snap/gnome-3-38-2004/99
/dev/loop13                  219M  219M     0 100% /snap/gnome-3-34-1804/77
/dev/loop14                  2.5M  2.5M     0 100% /snap/gnome-calculator/884
/dev/loop15                  219M  219M     0 100% /snap/gnome-3-34-1804/72
/dev/loop16                  2.7M  2.7M     0 100% /snap/gnome-system-monitor/174
/dev/loop17                   62M   62M     0 100% /snap/core20/1376
/dev/loop19                   66M   66M     0 100% /snap/gtk-common-themes/1515
/dev/loop18                   56M   56M     0 100% /snap/core18/2344
tmpfs                         99M   28K   99M   1% /run/user/121
tmpfs                         99M     0   99M   0% /run/user/1000