On Wed, Oct 13, 2010 at 08:14:04PM +0200, Roland Kletzing spake thusly:
> > For ESXi, HBA is a must have (vmware is closed source...)
> i can`t follow that argument..
> what has closed source source to do with that ?

In this case what it means is you cannot compile and run the Linux kernel
initiator on it. Not easily anyway. And it certainly wouldn't be supported. The
original poster was worried about being locked into Coraid if he bought Coraid
storage and HBA's. He can make his own storage using whiteboxes and vblade if
he wanted to support/tune it himself (doable but not trivial). But when it
comes to the initiator he has little choice but to buy Coraid HBAs due to the
nature of ESXi.

> btw - many people believe esx is closed source, but many parts of esx are 
> open source,
> including many parts of the esx kernel, which  has many drivers derived from 
> linux drivers.

It doesn't take too many closed parts or heavily modified non-community
supported forked drivers derived from the open source drivers to remove all of
the utility of being open source.

> so, the question is if an AoE HBA is really a necissity or just an 
> artificial "hack" to get AoE
> into ESX without signinig NDA´s for driver development.....

I doubt this question has little practical value for the original poster.

-- 
Tracy Reed
http://tracyreed.org

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