[Lvlug] Linux Clustering

[Brian K]

>  just throwing a net out here...
> > 
> > anybody...work with/exposed to/manage/handed/installed a computing 
> > cluster (of any size, shape and/or type) with GNU/Linux ? I'm on a cluster 
> > kick at the moment (workplace driven, the boss is asking/tossing terms about 
> > HA, failover, shared storage stuff on our main business app - mostly casual, 
> > 'PHB language' at the moment). Been going through the stuff at the OSCAR 
> > site...http://oscar.openclustergroup.org/.
> > 
> 
I may be able to help you out here... I am no guru on building them, but I 
know a lot of the pitfalls/misunderstandings about clustering. As for the 
storage end of it, I may(possibly) be the most qualified person to talk to 
about that.

I do pre-sales technical support for enterprise/SMB storage for a large 
company, so I could help you out with understanding what options are out 
there as well as the pricing.

If you want, contact me off list and we can talk about it further.

I will leave you this as food for thought... There is a HUGE difference 
between a computational cluster (what you were talking about) and an HA 
cluster (what your boss was talking about). They are designed in totally 
different manners for totally different end results. Computational clusters 
usually have (hopefully!) many nodes crunching stuff in the same or a few 
racks. HA clusters may have only 2 nodes connected by dark fiber, some 
fibre(sic) channel disk while having hundreds of miles between them. 
Geographically dispersed clusters are not as rare as they once were. 

Like I said, contact me off list if you want to discuss in more detail...

Brian
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