mysql ERROR No. 1030: Got error 28 from storage engine

Disk is out of space

[root@reyotest stat]# df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sda3 231825440 219859768 0 100% /
/dev/sda1 101086 22394 73473 24% /boot
tmpfs 1037048 0 1037048 0% /dev/shm