Quantum lands early de-duplication punch
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EMC, NetApp lurk in their corners Tape survivor Quantum today ramped up its efforts in disk storage with the release of kit aimed at the primed market for de-duplication.â¦
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A University of Connecticut scientist may have discovered a new and efficient way to clone
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TechWeb - With a peak performance of 460 giga floating point operations per second, a single BladeCenter chassis of QS21s can achieve 6.4 TeraFLOPS, IBM claims.
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Feature Consolidation runs and runs
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D-Wave talks big, investors impressed D-Wave Systems has attracted a lot of criticism from computer scientists over claims it has developed a way to create a marketable quantum computer. But whether its technology will ever be viable outside of a laboratory setting or not, investors seem to be eating it up.â¦
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(InfoWorld) - Quantum introduced a disk storage appliance Monday that could both appeal to enterprise customers and improve its partnerships with other storage vendors. Quantum's DXi7500 is an integrated data deduplication, disk backup, and tape archiving device, also called a VTL (virtual tape library), that is a complement to the smaller DXi3500 and DXi5500 modelsÂ Quantum introduced in December 2006. The DXi7500 offers up to 240TB of disk storage capacity, versus 4.2TB and 11TB for the 3500 and 5500, respectively. A terabyte is 1,000 gigabytes of data. The new model also has a healthy appetite for data, deduplicating and saving it to disk at the rate of 8TB per hour. The DXi7500 would serve an enterprise by taking data already deduplicated by the smaller DX appliances at remote offices of a company and deduplicating it further, said Mike Sparkes, product manager for disk systems at Quantum. Deduplication is the software-based process of searching through data and eliminating multiple copies of files so that less data needs to be saved to disk storage. The Quantum system also creates a backup tape copy of that data, which is stored for archiving purposes. The system eliminates the need for tape backup at remote locations, which can be difficult for limited staffs there to manage. "Suddenly, you get to retain two or three months of backup data instead of two or three days," said Sparkes. "Instead of just being a buffer to tape, which VTLs have usually been, it becomes more of a permanent repository of backup data." The DXi7500 also gives enterprise storage managers the option of using either the in-line or post-process approach to saving to disk. With the in-line approach, data is transferred from a production server to the disk storage appliance for deduplication, but that is a time-consuming process that ties up the server, preventing it from doing more computing. The post-process approach moves data off the server quickly so the server can get back to work, but requires additional capacity in the storage appliance to hold all that data while it deduplicates it. Giving storage administrators a choice is welcome, said Robert Amatruda, research manager at IDC. "What they are doing is to provide some flexibility for the customers." VTLÂ technology is a nascent market, Amatruda said. IDC forecasts market revenue to grow to $4.1 billion by 2011 and for the amount of data stored in VTL systems to increase at a compound annual growth rate of 47.4 percent over the same period. Quantum can leverage the DXi7500 to strengthen existing ties with OEMs, such as Hewlett-Packard, Sun, and others, said Greg Schulz, founder of Storage I/O Group, an industry research and consulting firm. "Quantum sells a turnkey solution, which means for an OEM that they can just put their logo on it andÂ rebadge it, and people will buy it knowing it's a Quantum-based product," said Schulz.
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Chapter 14: Kernel Debugging Techniques, reprinted with permission from Embedded Linux Primer: A Practical Real-World Approach By Christopher Hallinan, Published by Prentice Hall
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The trials and tribulations of application dependency in a virtualized, hosted world.
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Some months ago I started collecting the pieces I needed to build my own 64-bit computer. I'm not a complete stranger to building machines, I've put together a dozen or so during the past twenty years, but it's been quite a while since I started one from scratch, and my experience with this machine was more instructive than it was meant to be. Nevertheless, at long last Studio Dave has gone 64-bit crazy. Well, not really crazy, but certainly more than mildly enthusiastic.
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The Piethon benchmark contest is beginning to loom, and the language list discusses how scalars should be interpolated and subscripted.
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IBM has demonstrated a way to store data in a single atom, a technique that could someday be used in tiny processors.
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(Source: SEPATON) ESG Lab reviews SEPATON's enterprise-class virtual tape library systems to validate backup/restore performance of over 17TB per hour, dramatically accelerating data protection.  In addition, SEPATON's DeltaStor de-duplication software exceeded company claims of 50:1 de-dupe ratios to help companies mitigate growing disk storage costs. Uncover more "outstanding" results in the full report.
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Alchemi is a software framework that allows you to painlessly aggregate the computing power of networked machines into a virtual supercomputer (computational grid) and to develop applications to run on enterprise grids.      We are pleased to announce the release of version 1.0.6. The major changes since 1.0.5 are a LUA (Least Privileged User Account) operation for both Manager, Executor in normal and service mode and an option for executing user's GThreads in a secure sandbox (experimental)  Please note that this is a developer release intended for enthusiasts and early adopters as documentation is not up to date.     Go here for downloading the files in this release:     http://sourceforge.net/project/showfiles.php?group_id=66729&package_id=186776&release_id=456163
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British researchers find a way to close a potential flaw in quantum communication systems.
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A researcher has posted proof-of-concept code for a zero-day flaw within Mac OS X dealing with its handling of disk image (.dmg) files. The issue causes a memory corruption vulnerability that could allow attackers to execute arbitrary code.
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The fundamental memory component of a quantum computer has been built for the first time using a string of atoms. This could offer a more reliable way to build a working quantum computer than other techniques, suggest researchers.
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A novel nanolaser could cram more data onto a hard disk.