Linux上使用vim编辑文件保存时报错：E514: write error (file system full?)

E514: write error (file system full?)

$ sudo df -hl
Filesystem                         Size  Used Avail Use% Mounted on
/dev/mapper/vg_myserver-lv_root    50G   43G  4.6G  91% /
tmpfs                              7.8G  268K  7.8G   1% /dev/shm
/dev/sda1                          477M   61M  391M  14% /boot
/dev/mapper/vg_myserver-lv_home    1.8T  1.7T     0 100% /home

$ sudo tune2fs -l <device> | grep Reserved

$ sudo tune2fs -l /dev/sda1 | grep Reserved

或

$ sudo tune2fs -l /dev/mapper/vg_rhserver33-lv_home | grep Reserved

Reserved block count:     23551078
Reserved GDT blocks:      911
Reserved blocks uid:      0 (user root)
Reserved blocks gid:      0 (group root)