Re: SSDs versus spinning-rust drives

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Author: Stephen Partington
Date:  
To: Main PLUG discussion list
Subject: Re: SSDs versus spinning-rust drives
they Make 18T spinning Drives now. 10T drives are about 300ish from what I
am seeing.

They have 4T SSDs int eh consumer space.

On Mon, Dec 2, 2019 at 1:17 PM David Schwartz <>
wrote:

> Not sure what you’re even talking about here.
>
> 120GB SSDs are under $20 almost everywhere, including Best Buy.
>
> And 64gB Class 10 SD cards are under $10, which are still likely to be way
> faster than your old “dinosaur” can saturate.
>
> Never mind that you can easily run a full-blown Linux distro from a 1 GB
> SD flash that will last at least as long as a spinning HDD. And with 8GB of
> RAM, it’ll be running almost entirely out of RAM and will thus run
> extremely fast b/c it won’t be reading from the “disk” hardly at all.
>
> We’re not talking MEGA-BYTES here, we’re talking GIGA-BYTES. An entire
> Linux distro is like around 100 MEGS or so without all of the UI bloat?
>
> The way you’re calculating what you think is risk means you should
> probably go back to storing your data on paper tape.
>
> Here’s something I found that talks about SSD lifetime ratings:
>
> https://www.enterprisestorageforum.com/storage-hardware/ssd-lifespan.html
> <https://u2206659.ct.sendgrid.net/wf/click?upn=3cK2FVJjyu2N-2Bxco034fZrF0HdtK4hjbBBfbBSvju7yHokerjHU-2FmnzNGJxjKSrrcmlPfTmtniYIXjiafXbf3j65oBd4rrwVBRTYox6qQEIqeHpPPbtY2a90WOTJUTCx_6lpMB7VLnN-2Fj9-2FEErg8-2F-2BMBpb5QxlByTgv2M3fbWD9ebvC-2BWrN3h7jImK8EVWYBelRwk0vzJQvHL4s80cIorBpNckDLNYJpqFSI-2Fq2tCXQh4RUlzNyiLF9QZjv9dMbLroIyPQCQGMLIMKzVvH8BTS8ivZdl5Js1Ci-2FWaxfSHTa8ndKj1-2FUi86r89GZNgSLY7YvzmaiWu8KoSHnDLv-2BvScn40jQbO4Zf7LF44nRnz4vw-3D>
>
> This whole thread really makes very little sense to me. Data centers
> (including CDNs) have been migrating to 100% SSDs on their servers for
> several years now because they have a longer MTBF / GB stored, they’re WAY
> faster, they take less power and generate far less heat.
>
> You seem to forget … tape backup units are quite cheap and plentiful these
> days in case you want to save all that precious data for the inevitable
> “disk crash” in a few years.
>
> And if you’ve only got 10GB of stuff saved, then heck, just buy a handful
> of 32GB SDs ($4/ea) and you’ll have more backup storage than you’d ever
> need.
>
> SDs are the new Floppy disks for backup storage.
>
> -David Schwartz
>
>
>
>
> On Dec 1, 2019, at 10:27 PM, Jim <> wrote:
>
>
> On 12/1/19 2:57 PM, Brian Cluff wrote:
>
> I should add, that you can run a hybrid setup where you run your system on
> the SSD and put your home directory on an spinning drive. That's actually
> how I have most of my systems setup as I use a HUGE amount of space. That
> way all the stuff that needs to be fast is and the stuff that just needs to
> be stored is on the cheaper spinning disks.
>
>
> This is what I do because I can't afford 10 GB of SSDs for the video and
> music I have stored on this dinosaur. It's my home entertainment center.
> Whenever I get a music or video disc, it gets copied to spinning rust.
> This saves my optical discs free from normal wear and tear.
>
>
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--
A mouse trap, placed on top of your alarm clock, will prevent you from
rolling over and going back to sleep after you hit the snooze button.

Stephen
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