服务器重新做2次了，过几天就出现这样的错误，无法登录

Traceback (most recent call last):  File "/usr/lib/python2.6/site-packages/web/wsgiserver/__init__.py", line 1245, in communicate  File "/usr/lib/python2.6/site-packages/web/wsgiserver/__init__.py", line 775, in respond  File "/usr/lib/python2.6/site-packages/web/wsgiserver/__init__.py", line 2018, in respond  File "/usr/lib/python2.6/site-packages/web/httpserver.py", line 306, in __call__  File "/usr/lib/python2.6/site-packages/web/httpserver.py", line 274, in __call__  File "/usr/lib/python2.6/site-packages/web/application.py", line 290, in wsgi  File "/usr/lib/python2.6/site-packages/web/httpserver.py", line 303, in xstart_response  File "/usr/lib/python2.6/site-packages/web/httpserver.py", line 319, in logIOError: [Errno 30] Read-only file system

系统盘只读 除了安装宝塔还进行过什么操作呢