IT professionals find it difficult to determine which SSD or flash array to buy or even whether they can get the speed they need from standard HDDs. There is an extraordinarily wide rage of IOPS (from hundreds to millions), latencies, and capacities, and this can be confusing. A new Objective Analysis report: How Many IOPS Do You Really Need provides, through a survey of IT managers and other end users, an understanding of the performance needs of various applications including IOPS, latency, and capacity.
This report answers questions that have never previously Continue reading
One popular argument to explain why SSDs have not displaced the HDDs in all PCs is that there isn’t enough NAND flash production capacity to support this business and there never can be.
This argument has been posed as long ago as 2007 by WD CEO John Coyne at an IDEMA conference (the source of this post’s graphic), SanDisk’s Eli Harari at the Flash Memory Summit in 2008, and Seagate‘s CEO Steve Luczo in a Forbes interview as recently as last April. These are captains of the industry. Their arguments make people stand up and take notice.
It’s a really flawed argument.
It goes like this: Continue reading
Not long after I started writing this blog I heard from Les Tokar, who runs The SSD Review. It seems that Les had been calling himslef “The SSD Guy” for quite a while before I started to use that name for myself.
Les was more than kind about my using the name as well, all he asked was for me to clarify that this blog and his are unrelated, which is spelled out with the disclaimer to the right of this post.
I find The SSD Review to be a font of useful information. If you haven’t read it, please give it a look.
As for Les Tokar, I offer a tip of the hat to a real gentleman and fellow blogger.
The SSD Guy has run across some confusion lately about fast erase on SSDs. It’s time to clear this up.
SSDs can undergo a very fast erase, and have had that capability for a number of years. After ruggedness this is probably the key reason the military is so enamored with SSDs.
Let’s say that you were out to capture a major terrorism kingpin and your helicopter crashed. How would you assure that the Continue reading
When I have a question about SSD retail pricing I know exactly who to consult. Andy Higgenbotham (pictured here) and his Price G2 service track HDD and SSD retail pricing and publish data to a very high degree of resolution.
Price G2 data has been used in another post in the blog: When Will SSD Prices Drop Below HDD Prices?
This company publishes weekly reports of pricing from all major HDD and SSD manufacturers (Seagate, Western Digital, Toshiba, Samsung, Intel, Micron, and the like) with information on market trends like this for the week of April 23:
Flat to increasing pricing continues throughout 2012. Only on the 512GB have we seen sustained price drops from Q1 and through Q2. The 512GB capacity currently sells for $1.05/GB in week 17.
Amid recent rumors of steep SSD price declines this service has served to disprove any notion that the SSD market is undergoing fundamental change. The SSD Guy highly recommends Price G2 for anyone whose business relies on timely and thorough HDD and SSD price tracking.
During Micron Technology‘s quarterly earnings call an interesting tidbit was revealed: PC OEMs and Micron’s sales channel partners are carrying SSD inventory from panic buys they made in response to Thailand’s floods.
It seems that Micron’s OEMs and channel partners expected the HDD shortage that resulted from the floods to create new market opportunities for SSDs. This is not an uncommon notion, and it was first discussed by The SSD Guy in a blog post early last November with another post added in January. It seems that the messages of these posts didn’t reach those OEMs.
Micron mentioned this because Continue reading
A topic The SSD Guy often brings up in presentations is the fact that SSDs can be used in enterprise applications to reduce server count, a phenomenon often called: “Server Consolidation.” This is a confusing issue, so it bears some explanation.
There are lots of ways to accelerate an I/O-bound application. The most direct one is to speed up the I/O. In the past this has involved some pretty elaborate ways of using HDDs in arrays with striping and short stroking. Many of these arrays cost a half million dollars or more.
Another is to hide the slow I/O speed by Continue reading
Intel has announced a new SSD for the Enthusiast/Gamer market. Intel’s fastest drive to date, this SSD, formerly known as “Cherryville” but now called the 520, is the first Intel SSD to use a SandForce/LSI controller and is made using Intel’s own 25nm flash.
Intel worked with SandForce for a year and a half to produce an SSD that met Intel’s rigorous standards, and made hundreds of changes to SandForce’s firmware. Users of SandForce controllers can differentiate their SSDs through the addition of features in the SSD controller’s firmware. Intel did this by tapping into its expertise in end-to-end data protection (something the company learned when working with Hitachi to introduce that company’s Intel-based enterprise SSDs) while harnessing Intel’s deep understanding of its own NAND flash and of the I/O needs of the PC.
End-to-end data protection is not a trivial feature: Continue reading
In early November The SSD Guy published a post that argued that Thailand’s floods would not make much difference to the SSD market.
Since that post not only has the argument gone less in favor of SSD adoption (thanks to a high level of HDD finished inventory, some changes in shipping practices, and a heroic effort from Thailand’s HDD makers and the Thai people to overcome this disaster) but the promotional efforts in favor of SSD adoption have become stronger.
Objective Analysis has spoken since the floods with a number of companies who either produce HDDs or HDD sub-assemblies, or consume HDDs, and this is what we have found: