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04-20-2008, 08:19 AM
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 Re: raw vs. cooked files under linux DA Morgan said: > Data Goob wrote: >> Art, >> >> Your points are well made, and I'm willing to admit I could be >> misinformed, but quite honestly you are working in an exceptional >> environment compared to a lot of environments out there. You >> make the assertion that everyone should simply get it when it >> comes to disk drives, and quite honestly very few of us can keep >> up with this. You also make the assumption that it is easy when >> you should see what I have to work with when using sys admins--you >> even allude to the jr DBA who got it wrong. Imagine that this is >> 95% of the environments out there. And as far as misinforming >> people bang on EMC, they even preach their RAID5 is 'better', >> so we even have to deal with that as well as a lot of other >> vendor misinformation. > > There actually is one implementation of RAID5 that stands up to testing > as far superior to others and that is Apple Computer's XServe RAID. > These units have two XOR engines and come remarkably close in > performance to 0+1 (within a few percentage points) and also have the > advantage of having minimal loss of performance when running in degraded > mode. So far this year most of the storage I have worked with has been > Apple's and it is a poorly kept secret that Oracle Corp. is now using > them in their data center in Redwood Shores. See? Oracle really _doesn't_ give a toss about data integrity! -- Bye now, Obnoxio "C'est pas parce qu'on n'a rien à dire qu'il faut fermer sa gueule" - Coluche A smile is a gift that is free to the giver and precious to the recipient. But giving someone the finger is free too, and I find it more personal and sincere. sending to informix-list      |
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