Although tape has reigned supreme in storage archiving for some time, the exaggerated reports of tape's death keep on coming. The latest affront to the ageless media comes from technologies designed to power down disk drives when not in use. Exavio and Copan Systems are two companies looking at variations of MAID (massive arrays of idle disk) technology that prolong the life of disks and assist in bringing the cost of disk per gigabyte on par with tape's price tag.
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