[Beowulf] automount on high ports

[Carsten Aulbert]

Perry E. Metzger wrote:

> Testing would be done with one machine. It would be foolish to test
> such a thing on your production network. What if it crashed everything
> in sight?
> 

Sure, testing always needs to start at the count of 1, then 2, 10, ....

> Once you know you want something, though, you should be able to
> install it quickly. If installing kernels on your entire cluster is
> difficult, you are not managing you cluster properly. What if you
> really need to install new kernels?
> 
Did it yesterday, if I had pressed it it would have been done within
~10-15 minutes (along with other updates)

> You should be able to replace arbitrary software on thousands of
> machines with a single easy command. If you can't, you aren't spending
> enough time on system automation.

easy with dsh and fai softupdate :)

Cheers

Carsten