[Linux-cluster] A home-grown cluster

Lon Hohberger lhh at redhat.com
Fri Oct 30 16:40:15 UTC 2009


On Wed, 2009-10-28 at 19:44 -0400, Madison Kelly wrote:

> You know, I've been wondering the same thing now for a little while and 
> had figured it just wasn't possible. I had seen a design a couple of 
> years ago for a serial to reset switch home-brew fence device but I've 
> not been able to find it since. The biggest thing about it was that the 
> author mentioned that, on POST, the serial port would run high and 
> trigger a reset so s/he designed a catch (a cap?) that would put a small 
> enough delay to prevent this POST->fence issue. Personally, I've been 
> thinking of a way to make an inexpensive USB -> reset switch, maybe even 
> an addressable one so that I could have a hub of sorts for a 3+ nodes 
> cluster.
> 
> Back to your question; I don't know of a canned solution, but would be 
> quite interested if you found one. If you find an answer off list, do 
> please update this thread!

WTI NPS115 on eBay?  They're not supported by WTI anymore, and can be
had for a song.


-- Lon




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