The problems we had with the /pfs/nobackup filesystem is currently solved.
We are still waiting for the vendor to tell us exactly what happened and how to make sure it doesn't happen again.
But for the time being things are expected to be back to normal.
Some jobs may have failed due to the timeouts that resulted from the problem but as far as we can tell at the moment no files have been lost.
We apologize for this and will try to minimize the risk of something like this happening again.