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From: Don Kuenz <g@crcomp.net>
Newsgroups: sci.electronics.design
Subject: Re: big drives
Date: Thu, 23 Mar 2017 17:39:36 -0000 (UTC)
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krw@notreal.com wrote:
> On Thu, 23 Mar 2017 16:11:01 -0000 (UTC), Don Kuenz <g@crcomp.net>
> wrote:
>
>>
>>David Brown <david.brown@hesbynett.no> wrote:
>>
>><snip>
>>
>>> Hard disks are not outdated technology, nor are 3.5" disks.  But
>>> super-fast hard disks /are/ outdated - there is no point in them.  SSDs
>>> are smaller, faster, cheaper, lower power, and more reliable - they win
>>> on every count.  Your entire multi-disk raid could be replaced by a
>>> couple of big SSDs in RAID1 (or perhaps Linux RAID10) setup for a faster
>>> system taking less space and using a fraction of the power and noise.
>>> (Again, I fully understand that replacement is not necessarily a cheap
>>> or easy process - I am giving you the manufacturers' viewpoint here.)
>>>
>>> Hard disks make sense when you want cheap GB's.  SSDs make sense when
>>> you want speed.  So new hard disks these days are typically 5400 or
>>> maybe 7200 rpm - 10K and 15K spinning rust is a thing of the past.
>>
>>
>>Technical glitches such as the Seagate plague make me hesitant to bet
>>my farms on SSD. Other people can bet *their* farms first and we'll see
>>what happens. At this present point in time it's best for me to "lead
>>from behind" just like a science fictional hindmost puppeteer. :0)
>
> There is always a learning curve and SSD isn't the right technology
> for long-term storage (yet) but for a fast drive for computations,
> what's the problem?  If it fails, so what?
>
> They're also great for laptops, for obvious reasons.

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)

Thank you,

--
Don Kuenz KB7RPU