Dave, Greg, Dan,
Following Dan's suggesting to try rebooting h1ldasgw0 remotely, at 17:20 I was able to log into the Solaris machine and remotely reboot it. I then re-mounted and re-shared the QFS file system, and then restarted the daqd process on h1fw0. So far h1fw0 has ran for 11 minutes and has written good frames. I'll monitor it remotely.
h1fw0 has been running well since the file system fix yesterday, no lost frames.