In our labs we ghost our machines as often as we can: during winter
break, spring break, beginning and ending of the summer. We also
re-ghost as needed around the lab. When I first started in GIMPS I had
Prime95 on each machine locally and just as you describe they lost the
work they started each time I re-ghosted.
My solution was to put a different copy of Prime95 on the home
directory of each workstation on the server they connect to. This
works quite well, no work gets lost on a re-ghost now. Also, I can
remotely check up on each workstation via this directory on the
server. I think this is an excellent way of implementing Prime95 in my
case. Of course it does waste about 4 MB of disk space for each
workstation * 275 workstations = 1.1 GB which is nothing in server
space these days.
> BTW, we had another problem that I'm in the process of fixing: Every now and
> then, these machines will be reset using Ghost, losing both the [pq]* files
> and the worktodo.ini files (the rest of the files are not that important). I'm
> now writing a Linux pseudo-proxy that will give out the same exponent every
> time if it has not been cleared. (The [pq]* problem remains unsolved :-( ) If
> anybody are interested (I could make this work under Windows, too, if there is
> a need for it), let me know. (Of course, if there is no uncleared exponent,
> the request will be forwarded to the standard PrimeNet server. I'm wondering
> how Prime95 will cope if it wants more than one exponent, and gets the same
> all the time. Setting `Days of work to get' to 1 should fix this problem.)
Marc Getty - [EMAIL PROTECTED] - [EMAIL PROTECTED] - ICQ: 12916278
http://www.getty.net http://www.vwthing.org Work: 215-204-3291
http://etc.temple.edu/ Home/Cell: 215-962-5603
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