[Beowulf] Redundant Array of Independent Memory - fork(Re: Checkpointing using flash)

holway at th.physik.uni-frankfurt.de holway at th.physik.uni-frankfurt.de
Sun Sep 23 08:14:51 PDT 2012


Interesting paper from HP.

http://www.hpl.hp.com/techreports/2001/HPL-2001-76.pdf

> 2012/9/23 Alan Louis Scheinine <alscheinine at tuffmail.us>:
>> Jim Lux wrote that one giant [distributed] memory has scalability
>> problems from physical distance reasons.  Yes indeed.  Simply to
>> clarify,
>> I was refering to a specific niche in parameter space (physical and
>> programmatic) associated with programs using file I/O.  That is to say,
>> there is a realm for which the idea of Andrew Holway is appropriate.
>
> I was not thinking of one giant distributed memory but more of a way
> of making small sub clusters fault tolerant.
>
> I made a sketch :) http://bit.ly/TlkHpH
>
> There are systems that have memory mirroring and other fancy tech to
> make single machines fault tolerant. Its just these systems are
> somewhat expensive at the moment due to low demand and they are not on
> our radar 'cos we're not banks.
>
> http://en.wikipedia.org/wiki/Redundant_array_of_independent_memory
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