cubietruck mysql问题

tanghoul

用lubuntu desktop版，使用mysql时提示
ERROR 1006 (HY000): Can't create database 'linux_db' (errno: 28)

我查了下errno28 :    No space left on device

请高手帮忙瞅瞅，为啥会出现这个问题呢？谢谢
新系统，只装了apache，php，mysql，有外接8GB的SD卡

----------------------------------------------------------------------------------------
root@cubietruck:/# mysql -uroot -p123456
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 47
Server version: 5.5.31-0+wheezy1 (Debian)

Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| performance_schema |
| test               |
+--------------------+
4 rows in set (0.01 sec)

mysql> create database linux_db
    -> ;
ERROR 1006 (HY000): Can't create database 'linux_db' (errno: 28)
mysql>

play4fun

你看一下 系统剩余空间
df -h
即可。
或者 fdisk /dev/sda