[OpenAFS] File corruption, 1.4.1 & 1.4.4 on linux clients

[Derrick J Brashear]

On Tue, 24 Apr 2007 cball@bu.edu wrote:

> We are serving up a virus .dat file to mail relays via AFS readonly.
> The file is periodically updated, the volume where it lives is re-released
> hourly whether update occured or not.  Read activity is constant.
>
> When vos release occurs, the fileserver logs a message like this:
>
> Mon Apr 23 17:04:28 2007 fssync: volume 536959020 restored; breaking all
> call backs
>
> [ normal behavior ]
>
> At erratic intervals, the virus scanner on one of our mail relay systems
> will choke on the database file reporting that it's invalid.  When this
> happens, the file remains invalid until a re-release occurs or a manual fs
> flush is invoked.

Let me guess, it's mmap()ed by whatever is using it, directly in /afs?