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From William Oberman <ober...@civicscience.com>
Subject Re: Question about EC2 and SSDs
Date Fri, 05 Sep 2014 13:51:15 GMT
Theory aside, I switched from "RAID of ephemerals" for data, and root
volume for write log to single EBS-based SSD without any noticeable impact
on performance.

will

On Thu, Sep 4, 2014 at 9:35 PM, Steve Robenalt <srobenalt@highwire.org>
wrote:

> Yes, I am aware there are no heads on an SSD. I also have seen plenty of
> examples where compatibility issues force awkward engineering tradeoffs,
> even as technology advances so I am jaded enough to be wary of making
> assumptions, which is why I asked the question.
>
> Steve
> On Sep 4, 2014 5:50 PM, "Robert Coli" <rcoli@eventbrite.com> wrote:
>
>> On Thu, Sep 4, 2014 at 5:44 PM, Steve Robenalt <srobenalt@highwire.org>
>> wrote:
>>
>>> Thanks Robert! I am assuming that you meant that it's possible with a
>>> single SSD, right?
>>>
>>
>> Yes, no matter how many SSDs you have you are unlikely to be able to
>> convince one of them to physically seek a drive head across its plater,
>> because they don't have heads or platters.
>>
>> =Rob
>>
>

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