Thanks
> If the errors happened during database recovery
It didn't happen during a database recovery.
> I wouldn't expect the errors to cause the database to become unavailable during runtime
Unfortunately it occurred during normal runtime and on our Production server.
> though they might have some side effect like leaving an open transaction that eventually caused the log to fill.
Yes it caused the syslogs to fill up tempdb and then the server to need another reboot.
I'd have thought this would recover on reboot.