[TUHS] Mach for i386 / Mt Xinu or other

Larry McVoy lm at mcvoy.com
Wed Feb 22 13:18:36 AEST 2017


That was pretty early, Ron.  I betcha if you tried it now (or 10 years 
ago) things would be different.

On Wed, Feb 22, 2017 at 01:04:16AM +0000, ron minnich wrote:
> I got to thinking about the file system sync vs. order argument as a result
> of this interesting discussion.
> 
> Back in NJ in 1998 I had a 144-node PC cluster. It started with 80 FreeBSD
> nodes, and a few months later we add 64 Linux nodes. It was DARPA funded
> and we were looking at issues around clustering.
> 
> What we discovered, when we added the Linux cluster, was that building
> power was really terrible. We had not realized it with the freebsd cluster
> because it tended to cleanly recover from unplanned nasty power cycles. But
> the Linux cluster tended to always have a small number of nodes that did
> not get through fsck.
> 
> yeah, it's not that good a data point maybe, but we found it interesting.

-- 
---
Larry McVoy            	     lm at mcvoy.com             http://www.mcvoy.com/lm 


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