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From: Don Kuenz <g@crcomp.net>
Newsgroups: sci.electronics.design
Subject: Re: big drives
Date: Fri, 24 Mar 2017 04:15:15 -0000 (UTC)
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krw@notreal.com wrote:
> On Fri, 24 Mar 2017 03:01:32 -0000 (UTC), Don Kuenz <g@crcomp.net>
> wrote:
>
>>
>><snip>
>>
>>>>SSD deployments into non-mission critical applications are actually
>>>>quite old school to me at this juncture. Regardless it's still best
>>>>for me to "lead from behind" and let other people bet their own
>>>>mission critical farms first. :0)
>>>
>>> What's "mission critical" about a cycle server?  Add another.
>>
>>My server farms, plural, each contain multiple servers. There's at most
>>one cycle server in the mix. That particular cycle server is not mission
>>critical.
>>
>>The remaining servers of interest host mission critical applications for
>>unaffiliated enterprises. It's just like the name says, when a mission
>>critical server fails the enterprise fails. That's why it's best for me
>>to "lead from behind" and let other people bet their own mission
>>critical farms first. :0)
>
> OK, but you haven't addressed the point.  What's the purpose of a 15K
> drive - at all.  For a cycle-server, reliability isn't critical so SSD
> is a natural solution. The disk in a byte server needs more
> reliability (RAID helps a lot) but not so much speed.   A slower,
> high-density drive will have the same, or even higher data rate as a
> 15K and an SSD has *far* faster access.  What's the point in the 15K?
> My bet is that's why they haven't improved much.

One of my vendors supports thousands of dermatology and gastroenterology
practices across the nation. They insist on 15K. They won't even give me
the time of day without it.

"You can't argue with success." And that's why 15K works for me too.
Remember my "lead from behind" policy. :0)

Thank you,

--
Don Kuenz KB7RPU