[TriLUG] Need advise.

[Jon Carnes]

I just looked up some articles I read while building a Mega-server last 
year.  The real skinny seems to be:
 - more writes than reads: RAID 1+0
 - more reads than writes: RAID 5

So a web server should be RAID 5, while a backup buffer should be RAID 1.  
If your database does a lot of writes, then it should be RAID 1 - if your 
database is fairly static and you do more lookups than modifications, then 
it should be RAID 5.

Jon
>
> Last I heard, Oracle's official recommendation was still *against* RAID
> 5.  I think that the last time they guys tried it at work, they found
> that performance wasn't just a little bit worse.  At that time, Oracle
> sucked on RAID 5 for some reason.
>
> YMMV, but forewarned is forearmed.
>
> ---Tom
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