From: John P. Looney (jplooney-ilug at domain online.ie)
Date: Fri 18 Feb 2000 - 16:29:39 GMT
On Fri, Feb 18, 2000 at 04:16:54PM +0000, Paul Jakma mentioned:
> however. once, the app has failed over, and the faulty system board
> isolated: can you change that system board and bring it back up without
> rebooting the other domains?
Yup. Domains are completely and utterly separate.
> > It's only application level clustering, but still, not bad.
> larry mcvoy had a post on l-k a while back. according to him single
> image parallel hardware systems (like the e10k> are bad. he reckons a
> large cluster of single image systems that can share resources are the
> way to go, rather than finely locked complicated smp kernels.
What's that mean ? What's a "single image" ?
> one idea he put forth was an "SMPfs" a sort of nfs for kernels in a
> cluster to claim locks on resources in other machines. Sounds rather
> cool.. eg kernel on host1 could claim memory on host2 via smpfs. that
> kind of thing. So benefits of single system for apps's, without most of
> the complexity of a single system kernel.
Sounds like an idea a friend of mine had. Only he wanted hardware support
for it too - on the DRAM chip.
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