E: Read error - read (5 Input/output error) - dpkg trigger

[masterkiller323]

Some weeks after Upgrade 8.04 < 8.10 i get error:

E: Read error - read (5 Input/output error)

root@server01:~# dpkg -i
dpkg: unable to open/create triggers lockfile `/var/lib/dpkg/triggers/Lock': Input/output error
root@server01:~#


same if i enter /var/lib/dpkg/triggers/ and want to "ls" or "dir".

any idear to fix?

[masterkiller323]

/push