[Gllug] [OT] Re: cheap disk source

[James Roberts]

John Hearns wrote:

> If you want high uptime you should not be using internal disks.
> Spec an external RAID array with N+1 hot swap power supplies, and two 
> controllers.
> 
> If you want more concerned about uptime, spec dual fibre channel HBAs in 
> your servers and use multipathing. Our current RAID arrays also support 
> multipathing over SAS, which is probably more sensible for a single server.
> 
> And while you're on the uptime question, buy two of those servers and 
> cluster them with HA software.


John,

may I ask: what are your uptime views on RAID6 no hot spare -vs- RAID5 + 
hot spare?

MeJ
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