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Storage news - June 15 - 21, 2011

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SolidFire launches SSD cloud appliances

Editor:- June 21, 2011 - SolidFire has announced details of its first product - an iSCSI SSD appliance designed for cloud storage applications which the company says can scale to 1 petabyte capacity (which takes 100 nodes with current models).

Performance within a SolidFire system is virtualized separately from capacity, allowing cloud service providers to prescribe and guarantee performance to every volume within the system.

Editor's comments:- the company's SolidFire elements include features such as:- self healing data protection, always on availability, reservation-less thin provisioning , inline real time compression, cloning and snapshots, and dedupe, as well as adjustable managed IOPS and throughput performance windows.

These are the essential characteristics of what I called "bulk storage SSDs" in my article roadmap to the Petabyte SSD - although in that article what I had in mind is that by 2016 that a PB archive SSD library should fit into a single 2U rackmount.

If that seems far fetched - remember that a lot of things can change in the SSD market in 5 years. 5 years ago - in 2006 - the enterprise server flash SSD market didn't exist. 2006 was the 1st year of the notebook SSD market and there were only 36 makers of SSDs - compared to 300 today.

SanDisk samples 800GB 3.5" SAS SSDs

Editor:- June 20, 2011 - SanDisk has expanded its Lightning range (2.5" and 3.5" SAS skinny flash SSDs) which now offer upto 800GB MLC capacity are being delivered for OEM qualification, and will be available via authorized channel partners in Q3, 2011.

The new Lightning SSDs (recently acquired from Pliant) feature Write Through Logging (WTL) technology which delivers high performance at low queue depths to avoid volatility that would otherwise require battery back-up or supercapacitors for protection. WTL operation is completely transparent to the host and maintains a predictable performance profile across different workloads. This write cache-less design eliminating data loss on power interruptions, delivering consistent performance across a wide range of workloads

virtual server acceleration mistakes

Editor:- June 20. 2011 - 5 Mistakes to Avoid when trying to solve I/O Bottlenecks in Virtualized Servers is a new article by IO Turbine published on

Needless to say most of the discussion in here revolves around the best use of SSDs. Among other things - IO Turbine says "While many enterprise-class storage providers offer automatic tiering with data migration to and from the SSD storage, these solutions typically take place well after the need for the I/O acceleration has passed." the article

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flash SSD capacity - the iceberg syndrome
Have you ever wondered how the amount of flash inside a flash SSD compares to the capacity shown on the invoice?

What you see isn't always what you get.
nothing surprised the penguins - click to read  the article There can be huge variations in different designs as vendors leverage invisible internal capacity to tweak key performance and reliability parameters. the article
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