the SSD Buyers Guide - click to see article
SSD buyers guide
flash SSD Jargon
flash SSD Jargon
the problem with flash SSD  write IOPS
the problem with
write IOPS in FSSDs

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March 24, 2009 by Zsolt Kerekes

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How Bad is - Choosing the Wrong SSD Supplier?

Megabyte knew he had to go in the SSD cave
Megabyte paused at the mouth of the fabled SSD
cavern. His quest for the perfect storage lay within.
... the Fastest SSDs
the SSD Buyers Guide
After SSDs... What Next?
flash SSD Jargon Explained
the Top 10 SSD Companies
Are MLC SSDs Safe in Enterprise Apps?
2010 - Year #1 of the SSD Market Bubble?
the Problem with Write IOPS - in flash SSDs
RAM SSDs versus Flash SSDs - which is Best?
Can you trust flash SSD specs & SSD benchmarks?
Why Consumers Can Expect More Flaky Flash SSDs!
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How Bad is Choosing the Wrong SSD Supplier?........................
How significant is it - if you choose the wrong partner / supplier for your SSD strategy?

It's a momentous decision. Don't kid yourself that high-end SSDs are clones / generic products. Like thoroughbred horses they have personalities. It takes time to get to know them and get the best out of them. Rushing in to make a quick convenient choice - could backfire.

Here are some examples of significant decision points that I've seen people make in my career.

Is it as bad as bad as - choosing the wrong microprocessor back in the mid 1970s?

Most companies hadn't invested in too much software, by the end of the 1970s, when vendors started touting their 16 bit micros. (Some real, some imaginary and some which would be very late to get working.) Intel's marketers even had a conversion program - in which they said - you could feed Motorola 6800 assembler in one end and see Intel 8086 assembler coming out the other end - which actually ran faster than on the Mot hardware. I don't know if anyone actually did that. Most engineers at that time were quite happy to rip and replace their 1st or 2nd generation micro designs and switch to something new. Apple was the big exception. Apple had created the consumer desktop PC market and was locked into a huge investment of 8 bit assembler for - what turned out to be a dead-end processor - the 6502. Despite heroic efforts - that mistake lost them the ownership of the desktop PC market - to Intel and Microsoft.

Is choosing the wrong SSD supplier as significant as - choosing the wrong CPU/OS platform for your mid range server in the early 1990s?

If you chose DEC's VAX (which looked like a safe choice for many companies who already had such servers) - that led to a merry dance which involved ditching VAX for Alpha and ditching VMS for variously named flavors of Unix, and then finally ditching the whole lot. Wintel didn't have fast enough processors or scalability in those days - and was barely good enough as a single user PC platform. SPARC was the market's favorite vote - and peaked at over $20 billion annual revenue in 2000 before it failed for a bunch of technical, competitive and market reasons.

In my view choosing the right SSD supplier for strategic projects is nearly as important as any of the choices above were in their own time. A successful implementation will enable your organization to do things better, faster and at lower cost than your competitors. And in some projects the SSD will enable applications which would not have been possible at all.

Although you can switch SSD suppliers - by the time you realize that your initial choice was a mistake - you could have lost valuable months of having a head start with the new opportunities enabled by SSD technology. And - if things got really bad - you could lose your reputation, your job and maybe your business too.

I'm often asked - what is the best choice of SSD? - My answer is - that it depends what you're trying to do, what your current state of technical competence is relative to SSDs and the apps you're trying to improve. Also - how much effort and resources you're willing to invest to make it work for you. That formula gives a different answer for everyone. So it's not surprising that in my article predicting the SSD market confusion in 2009 I said that customers are going to solve apparently identical problems in completely different ways.

There are already hundreds of articles about the SSD market on StorageSearch.com - and there are a lot more articles and directories in the pipeline. But it can never be enough. That's one of the reasons I started the recent SSD Bookmarks Series - to give leading people in the industry a way to share the views from different vantage points in the multi-dimensional SSD landscape. They will send you to many interesting places. But I hope you'll still find the mouse site a helpful starting point for your future SSD searches.
Data Integrity Challenges in flash SSD Design
Editor:- October 12, 2009 - StorageSearch.com today published a new article called - Data Integrity Challenges in flash SSD Design - written by Kent Smith Senior Director, Product Marketing, SandForce.

Since bursting onto the SSD scene in April 2009, SandForce has achieved remarkably high reader popularity. How did a company whose business is designing SSD controllers achieve this? - especially when the direct market for its products today numbers less than 1,000 oems.

The answer is - that if you want to know what the future of 2.5" enterprise SATA SSDs might look like -you have to look at the leading technology cores that will affect this market. Even if you're not planning to use SandForce based products yourself - you can't afford to ignore them - because they are setting the agenda.
read the article about SSD integrity Reliability is the next new thing for SSD designers and users to start worrying about. A common theme you will hear from all fast SSD companies is that the faster you make an SSD go - the more effort you have to put into understanding and engineering data integrity to eliminate the risk of "silent errors." ...read the article
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Why Consumers Can Expect More Flaky Flash SSDs!
Editor:- August 10, 2009 - a new article published today on StorageSearch.com explains why the consumer flash SSD quality problem is not going to get better any time soon.

You know what I mean. Product recalls, firmware upgrades, performance downgrades and bad behavior which users did not anticipate from reading glowing magazine product reviews. And that's if they can get hold of the new products in the first place.
read the article - Why Consumers Can Expect More Flaky Flash SSDs! We predicted this unreliability scenario many years ago. And you have to get used to it. The new article explains why it's happening and gives some suggested workarounds for navigating in a world of imperfect flash SSD product marketing. ...read the article
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Are MLC SSDs Safe in Enterprise Apps?
This is a follow up article to the popular SSD Myths and Legends which, a year earlier demolished the myth that flash memory wear-out (a comfort blanket beloved by many RAM SSD makers) precluded the use of flash in heavy duty datacenters.

This new article looks at the risks posed by MLC Nand Flash SSDs which have recently hatched from their breeeding ground as chip modules in cellphones and morphed into hard disk form factors.
which technology to choose? - read the article It starts down a familiar lane but an unexpected technology twist (which arrived in my email while writing this article) takes you to a startling new world of possibilities. ...read the article
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ssd specs article Can You Trust Flash SSD Specs & Benchmarks?
Sadly no! - Many published benchmarks for flash SSD are about as reliable as bank valuations of Collateralized Loan Obligations (just before the onset of the Credit Crunch).
There are many intrinsic technical reasons why you can't believe most published benchmarks for flash SSDs (whether done by magazines or vendors) and why even the tests you carefully do yourself don't give reliable results which correlate with how the SSD will perform in real-life applications.

We warned you of it this problem here on StorageSearch.com - and now other publications and vendors are starting to take it seriously too. ...read the article

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