[Arm-dev] OT: hard drive vs SSD

Kent Dahlgren kent at praesum.com
Thu Mar 2 16:26:08 UTC 2017


I agree that both would probably work for two years.

The big difference between enterprise SSDs and consumer one is write endurance.

If you are using this for let's say an embedded web server, the number of writes to the SSD
will be minimal and there wouldn't be much difference in terms of reliability between the
two classes of drives.

If you are building something to log data, you may want to consider an enterprise class SSD.

Kent
Praesum Communications
Santa Rosa, California 95401
www.praesum.com

-----Original Message-----
From: Arm-dev [mailto:arm-dev-bounces at centos.org] On Behalf Of Robert Heller
Sent: 03/02/2017 8:11 AM
To: Conversations around CentOS on ARM hardware <arm-dev at centos.org>
Cc: arm-dev at centos.org
Subject: Re: [Arm-dev] OT: hard drive vs SSD

At Thu, 2 Mar 2017 11:00:13 -0500 Conversations around CentOS on ARM hardware <arm-dev at centos.org> wrote:

> 
> Given that we are working on server OS for little boards that work will 
> with little drives:
> 
> For longtime operation of a server which is better,
> 
> A notebook 2.5" hard drive
> or
> A notebook 2.5" SSD drive
> ?
> 
> Both pull 1A, so no power advantage.
> 
> Which can be expected to run for 2 - 3 years straight?

Probably both.

Note: consumer grade 2.5" hard drives (meant for laptops), *might* not be as
long term reliable as enterprise grade 2.5" hard drives (meant for servers). 

The SSD will be faster than the rotating rust drive.

> 
> (Note:  I am looking at this Kingston 240GB ssdNOW 300 that I pulled 
> from a notebook that had to be upgraded to a 480GB SSD)
> 
> thanks
> 
> _______________________________________________
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> Arm-dev at centos.org
> https://lists.centos.org/mailman/listinfo/arm-dev
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>                                                                                                

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