Backblaze pulls 3TB Seagate HDDs from service
cheap Canada Goose For the past few years, online backup company Backblaze has publishedhard drive reliabilitydataon the tens canada goose uk outlet of thousands of hard drives it bought and put into service. Throughout that time period, one drive family has persistently cropped up as failing at rates far above the rest of the industry a buy canada goose jacket Seagate 3TB model, ST3000DM001. Now, the Canada Goose Outlet company has decided to pull that drive from canada goose coats on sale its operations Canada Goose Parka altogether, and it published a canadian goose jacket detailed account of how the 3TB Seagate stood up to its competition (or failed to). cheap Canada Goose
canada goose store According to Backblaze, the shift to 3TB Seagate was the result of the Thailand flood crisis and canada goose factory sale the massive disruption canada goose coats to the HDD industry that resulted. Seagate was largely unaffected by the floods that paralyzed production at its competitors plants, and so reaped the lion share of benefits from the event. Backblaze purchased nearly 5000 ST3000DM001 drives canada goose uk shop over the course of a year, with a nearly 50/50 split between internal and external drives (the company removed the external drives from their chassis and used them in its storage pods). canada goose store
canada goose The result? Massive failures beginning in 2013 and rising all throughout 2014. Instead of the typical failure curve, in which a handful of units fail immediately and then the rest continue operating normally for years, the Seagate drives showed a period of strong operation followed by high failure rates. canada goose
canada goose black friday sale As of canada goose store this writing, canada goose clearance sale far canada goose clearance fewer drives from HGST (formerly Hitachi) have failed, and even the other Seagate 3TB model shows lower overall failure signs. The ST3000DM001, however, has continued to die, with 32% of the drives failing within three years. canada goose black friday sale
buy canada goose jacket The next graph shows how many of the ST3000DM001 drives deployed in 2012 are still active today. in Pod means that the drive died in a storage pod and was removed. after removal means that the drive was removed from the Storage Pod after a different drive failed. Backblaze policy is to test every drive in a storage pod after a single drive failure. If a drive fails the company two part stress test at this point, it marked as after removal, even if it never died completely. Seagate drives failed so regularly, the company was forced to alter its uk canada goose own storage protocol it began removing and testing all Seagate drives as soon as they showed any type of errata. As of today, just 6% of the Seagate ST3000DM001 drives purchased in 2012 are still in use. buy canada goose jacket
Canada Goose Parka The unanswered questions and the warranty connection:The one thing Backblaze can canada goose black friday sale offer is a comprehensive Canada Goose sale answer to why the ST3000DM001 failed in such high numbers compared to other products. Maybe the issue was caused due to a supplier change or part substitution while Seagate was the least impacted of the HDD manufacturers, it still had to make some changes during the floods that paralyzed much of Thailand for weeks. Maybe the company, anxious to make hay at its competitors expense, opted to ship substandard hardware that it knew didn meet quality control standards, but that would let it further maximize profits. Canada Goose Parka
Canada Goose Jackets Maybe the problem is that Canada Goose Online Backblaze uses consumer HDDs in a decidedly enterprise environment, and that while HGST, Western Digital, and some Seagate drives are able to handle this relatively Canada Goose online well, the ST3000DM001 cut corners or made compromises that rendered it more vulnerable to these operating conditions. Backblaze own tests and evaluation don show a connection to their storage pods, meaning other drives don fail at increased rates in the same environment, but that doesn completely rule out the possibility that there something particular about the ST3000DM001 that leaves it prone to failure when operated in this fashion. Canada Goose Jackets
canada goose cheap canada goose uk clearance What we do know is that Seagate cut the warranty terms on these drives to one year, from three years, canada goose in 2012, along with nearly every other manufacturer. Was the company covering its ass, or http://www.mycanadagoosejacket.org just moving to match the actions of its beleaguered competitors, knowing it would make higher profits without any negatives? It impossible to say. An exhaustive analysis of the drives themselves would take a clean room, weeks, and thousands of test samples to even try to create a uk canada goose outlet model for what, specifically, killed the drives. Since some of the drives would failed normally, no matter what, any forensic evaluation would have to account for common causes of cheap Canada Goose drive failure vs. an uncommon pattern. canada goose clearance
canada goose coats on sale Backblaze notes that these problems don appear to affect Seagate 4TB drives at all that hardware has a three year warranty and, thus far, a 2.6% failure rate buy canada goose jacket cheap well in line canada goose outlet with expectations canada goose coats Canada Goose Coats On Sale on sale.