Hi Eric, Sorry, forgot to CC the list on this. Here goes...
On 4/11/06, Eric Thibodeau <[EMAIL PROTECTED]> wrote: > Mr. Rand(), > > I tend to prone the Diskless approach for the reasons you are > mentionning. > You can easily switch between roots with a network boot just by modifying > your dhcp config and rebooting a node. This is really neat since you can have > the dev environment on the actual cluster, test the new root with new libs > and simply reboot some available nodes to test them. Furthermore, this > approach opens the way to having multiple boot profiles with > application-specific orientations (/me is thinking of the hellish deal of > parallel Matlab with a polluted environment and the booting into a really > optimized one for real MPI work ;)...) Yes, this is exactly what I had in mind :) > As for the "un-ncecessary attacker blahblahblah... Put your head > behing the > firewall. Beowulf nodes aren't meant to be publically available if they are > to be efficient. nonetheless, departmental clusters (by night) could aslo be > very possible with the diskless approach Sorry, I should have mentioned that my application is load balancing / HA rather than HPC. There will certainly be some very strict firewall rulesets in place, however I do have to deal with serving up user requests. If someone manages to poke a hole in Apache or whatever and gets themself a shell I don't want to give them any tools which might help them along their quest for root. -- gentoo-cluster@gentoo.org mailing list
