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HDS's MAID Mystery

Hitachi Data Systems has thrown itself onto the back of the green IT bandwagon, unveiling enhancements to its midrange storage systems that sound suspiciously like MAID technology.

Why is this noteworthy? Because it seems to represent something of a turnaround for the company. A couple of months ago, HDS highlighted monitoring issues as a major drawback of MAID technology. In a blog entry, HDS CTO Hu Yoshida explained that the vendor did not offer MAID "due to concerns over the inability to monitor the health of the disks during idle periods."

Today's announcement suggests that the firm has re-thought its stance on MAID, which is championed by Copan, Fujitsu, NEC, and Nexsan. HDS nonetheless avoids any reference to MAID in the press release accompanying the announcement and is yet to release specific details or pricing for its Power Savings Storage Service (PSSS).

HDS is now touting the ability to power down disks on the vendor's Adaptable Modular Storage (AMS) and Workgroup Modular Storage (WMS) arrays when they are not being accessed, citing power savings of up to 20 percent compared to traditional arrays.

Available on Fibre Channel and SATA drives, the HDS technology certainly looks like MAID, even though the vendor claims to have developed something completely different.

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