[Beowulf] 32 nodes cluster price
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Eugen Leitl eugen at leitl.orgSun Oct 7 10:17:37 PDT 2007
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On Sun, Oct 07, 2007 at 12:54:42PM -0400, Mike Davis wrote: > Controllers can have problems, but so can software. The point is that you have to keep a hardware spare with hardware RAID. This can make things much more expensive. Also, software RAID is typically free, while a hardware RAID of similiar performance several k$, and you have to double that if you have to keep a hardware spare. A minus point that software RAID can write out garbage from bit-flipped RAM when the power goes out. This is more of a problem with some file systems (xfs?) than with others. Not a problem with UPS, though. -- Eugen* Leitl <a href="http://leitl.org">leitl</a> http://leitl.org ______________________________________________________________ ICBM: 48.07100, 11.36820 http://www.ativel.com http://postbiota.org 8B29F6BE: 099D 78BA 2FD3 B014 B08A 7779 75B0 2443 8B29 F6BE
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