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Vol. 6 No. 6 August 2007

Batteries not included

Cut the juice to a storage array and it will try to minimize data loss largely by switching to battery power to keep what's in the system's cache intact until it can be written to disk. But in a move that threatens to send the Energizer bunny to the unemployment line, Dot Hill Systems--a storage company whose products are often OEMed--has eliminated the need for batteries to protect a storage array's cache. Dot Hill's 2730 Turbo storage controller uses super capacitors instead of batteries to power its cache backup. Capacitors, which are based on engineering theories that have been around for approximately 250 years, can store electricity until it's needed. Super capacitors are pumped-up versions of the tiny electrical devices that can store enough energy to be viable as battery replacements. Dot Hill's design has been picked up and rebranded by several storage vendors, including Fujitsu and ONStor with its Pantera Clustered NAS. --Rich Castagna

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Features in this issue

  • VTL gets a boost from backup apps

  • Fibre Channel director face-off: Brocade vs. Cisco

    by  Jerome Wendt

    Fibre Channel directors are the choice for consolidating isolated SAN fabrics. Brocade's 48000 Director and Cisco's MDS 9513 Multilayer Director are the undisputed leaders in this small field, but they offer very different paths to storage services and consolidation options. We'll help you decide which company's product is the best director for your storage environment.

  • Data destruction: When data should disappear

    Most companies don't have a detailed policy that governs what data they need to keep and what data should be destroyed. Deciding on the destruction levels you're comfortable with is the easiest part of this puzzle. The most complicated piece is figuring out what to destroy and when, and then sticking to it.

  • Survey Says: Features, familiar vendors are key to storage purchases

    Features, familiar vendors are key to storage purchases

  • How to write an archiving program RFP

    by  Sharon Fisher

    With so many archiving systems on the market, putting together a request for proposal (RFP) for an archiving program for structured, semistructured or unstructured data is a key step. It's equally important that your team is well-prepared to evaluate vendor proposals so you'll end up with a product that fits your company's needs at a price that doesn't break your budget.

  • Demystifying Unix dump

    by  David J. Young

    dump is a powerful tool to back up Unix files. In this excerpt from W. Curtis Preston's new book, Backup & Recovery: Inexpensive Backup Solutions for Open Systems, the dump utility is described in detail, including how it works, when to use it and exactly what can go wrong at various stages of the dump backup process.

Columns in this issue

SearchSolidStateStorage

SearchVirtualStorage

SearchCloudStorage

SearchDisasterRecovery

SearchDataBackup

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