> it reboot. The system started with it's normal messages then hung for > > awhile and eventually I got the message: > > mount server reported tcp not available, falling back to udp > > I've never seen this before what in the world is it trying to tell me?
You had a NFS filesystem mounted via NFSv3 over TCP from another server, and the server that was exporting the filesystem no longer supports or is not responding to NFS over TCP. It tried and fell back to NFS over UDP.
