Alex Martelli wrote: > H J van Rooyen <[EMAIL PROTECTED]> wrote: > > >> "Paul Rubin" <http://[EMAIL PROTECTED]> Writes: >> >> | "H J van Rooyen" <[EMAIL PROTECTED]> writes: >> | > *grin* - Yes of course - if the WDT was enabled - its something that >> | > I have not seen on PC's yet... >> | >> | They are available for PC's, as plug-in cards, at least for the ISA >> | bus in the old days, and almost certainly for the PCI bus today. >> >> That is cool, I was not aware of this - added to a long running server it >> will >> help to make the system more stable - a hardware solution to hard to find >> bugs >> in Software - (or even stuff like soft errors in hardware - speak to the >> Avionics boys about Neutrons) do you know who sells them and what they are >> called? - >> > > When you're talking about a bunch of (multiprocessing) machines on a > LAN, you can have a "watchdog machine" (or more than one, for > redundancy) periodically checking all others for signs of health -- and, > if needed, rebooting the sick machines via ssh (assuming the sickness is > in userland, of course -- to come back from a kernel panic _would_ > require HW support)... so (in this setting) you _could_ do it in SW, and > save the $100+ per box that you'd have to spend at some shop such as > <http://www.pcwatchdog.com/> or the like... > > > Yea, there are other free solutions you might want to check out, I've been looking at ganglia and nagios. These require constant communication with a server, however they are customizable in that you can have the server take action on various events.
Cheers! -c -- Carl J. Van Arsdall [EMAIL PROTECTED] Build and Release MontaVista Software -- http://mail.python.org/mailman/listinfo/python-list
