As Seagate ramps up shipments of its new warmth assisted magnetic recording (HAMR)-based Mozaic 3+ laborious drive platform, the corporate is each within the enviable place of delivery the primary main new laborious drive expertise in a decade, and the a lot much less enviable place of proving the reliability of the primary main new laborious drive expertise in a decade. Due to HAMR’s use of temporal heating with its platters, in addition to all-new learn/write heads, HAMR introduces a number of new adjustments without delay which have elevate questions on how dependable the expertise will probably be. Looking to deal with these issues (and additional promote their HAMR drives), Seagate has revealed a contemporary weblog publish outlining the corporate’s R&D efforts, and why the corporate expects their HAMR drives to final a number of years – as lengthy or longer than present PMR laborious drives.
According to the corporate, the reliability of Mozaic 3+ drives on par with conventional drives counting on perpendicular magnetic recording (PMR), the corporate says. In reality, elements of HAMR HDDs have demonstrated a 50% enhance in reliability over the previous two years. Seagate says that Mozaic 3+ drives boast spectacular sturdiness metrics: their learn/write heads have demonstrated capability to deal with over 3.2 petabytes of information switch over 6,000 hours of operation, which exceeds knowledge transfers of typical nearline laborious drives by 20 occasions. Accordingly, Seagate is score these drives for a imply time between failure (MTBF) 2.5 million hours, which is in-line with PMR-based drives.
Based on their area stress exams, involving over 500,000 Mozaic 3+ drives, Seagate says that the heads of Mozaic 3+ drives will final over seven years, surpassing the everyday lifespan of present PMR-based drives. Generally, clients anticipate that trendy PMR drives will final between 4 and 5 years with common utilization, so these drives would exceed present expectations.
Altogether, Seagate is constant intention for a seamless transition from PMR to HAMR drives in buyer programs. That means making certain that these new drives can match into current knowledge heart infrastructures with out requiring any adjustments to enterprise specs, guarantee circumstances, or type elements.
