SSDs

[Nathan England]

But replace those enterprise drives in the raid with SSD drives in a 
raid and what happens?

I just read some reviews on the Samsung 840 Pro series in a raid 
configuration and it is rather impressive.

http://www.rwlabs.com/article.php?id=762




On 4/2/2013 1:53 PM, Lisa Kachold wrote:
> For most intents and purposes an Enterprise system will be using RAID 
> controllers, with acceleration, so a SD card IS not a benefit.  I have 
> a Dell with SD single level drive that is slower, but it's probably 
> due to Microsoft 7.
>
>
> On Tue, Apr 2, 2013 at 1:37 PM, Eric Cope <eric.cope at gmail.com 
> <mailto:eric.cope at gmail.com>> wrote:
>
>     There are two major types of SSDs. Multi-level cells and
>     single-level cells. Multi-level are cheaper and denser, but fail
>     sooner and are slower. Single level are more expensive, but should
>     fail less often.
>
>     With respect to performance, I'd be more suspicious of the
>     software (and OS for that matter) controlling the drives rather
>     than the drives themselves. If  the OS is tuned for HDD, then SSDs
>     may not gain any benefit.
>
>     The High Performace MySQL blog posts data on SSD performance. Its
>     a good reference point.
>
>     Eric
>
>
>     On Tue, Apr 2, 2013 at 1:24 PM, Lisa Kachold
>     <lisakachold at obnosis.com <mailto:lisakachold at obnosis.com>> wrote:
>
>         I have also found that in deference to their claims some of
>         the SSDs are SLOWER than regular enterprise drives.
>         I believe this new technology leaves a lot to be desired.
>
>
>         On Tue, Apr 2, 2013 at 12:27 PM, Derek Trotter
>         <expat.arizonan at gmail.com <mailto:expat.arizonan at gmail.com>>
>         wrote:
>
>             I have a question about SSDs.  I've read that they like
>             the USB thumb drives can be written to a certain number of
>             times before they fail.  What is the expected lifetime of
>             an SSD?  They're terribly expensive if they're only going
>             to last 2 or 3 years.
>
>             Derek
>
>             -- 
>             "I get my copy of the daily paper, look at the obituaries
>             page, and if I'm not there, I carry on as usual."
>
>             Patrick Moore
>
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