> > I'm running fb2.1 on centos5, recently a system has started throwing
> > this error when asked to do a backup, the gbak parameters are
> > unchanged, permissions all seem ok, any suggestions what I might check
> >
> > gbak: ERROR:Unexpected I/O error while writing to backup file
> > gbak:Exiting before completion due to errors
>
> Check integrity of storage subsystem.