Share the website around if you enjoy reading it. Feel free to leave comments below, if you have any opinion about this website. Higher capacity hard drives (5TB to 8TB) have a relatively lower rate. As we can see, most of the hard drives have an average failure rate of about 1% to 3%. However, Seagate has two of its 4TB hard drive models going up to over 30%, the ST4000DM001 and ST4000DX000.īackblaze also provides cumulative hard drive statistics from April 2013 to June 2017. HGST hard drives perform good with a 0.15% to 0.55% failure rate across all models. Two of the Western Digital hard drive models also operate without any failure, with the 3TB model having a failure rate of 1.21%. Toshiba‘s hard drives did pretty well with 0% failure rate, but there are only 231 drives used, which is relatively small comparing to at least 1,000 drives for other brands. All 17 models in the report are 3.5-inch hard drives, from 3TB up to 8TB in size. The reason was that they were retiring old lower density hard drives with newer higher capacity drives (replacing 3TB drives with 8TB drives). According to Backblaze, they only added about 600 new hard drives in this Q2, compared to over 10,000 drives in the previous quarter. Recently, they released the latest stats for Q2 2017. They deal with tons of hard drives every day, therefore, they will release their hard drive statistics (drive count and failure rate) each quarter. The entire study is available at Backblaze’s site for more insights on which drives performed well as well as the amount of time the drives ran in their data centers.Backblaze is a cloud data storage/backup provider, that was founded in 2007. Backblaze also found that the enterprise drives load data faster though they use more power (there is an option to save power on the Seagate drives, PowerChoice, that even while on, the drive stored 40% more data then their client counterparts). Of the enterprise drives only two failed but due to the lower number to begin with they do have a higher failure rate percentage (2.38% compared to the non-enterprise 8TB drives with 1.6%). As Seagate introduced new models of their enterprise drives, the older ones dropped in price and Backblaze seized this opportunity. As stated above, the drives purchased need to fall within Backblaze’s budget. 3) The Smart Stats used show values above Backblaze’s thresholds.īackblaze has introduced enterprise drives into the study in the way of 2,459 Seagate 8 TB drives, model: ST8000NM055. 2) The drive will not sync, or stay synced, in a RAID Array. Failure in this study is defined as 1) The drive will not spin up or connect to the OS. The drive with the least amount of annualized failure was the HGST HMS5C4040ALE640 with just 0.64%. Again Seagate has the highest annualized failure rate of a single drive, ST4000DX000, though it was 7.51% this go round versus the nearly 20% we saw in the same model number last time we looked at the results. Backblaze also states that the reason most of the drives they use are Seagate and HGST is due to the availability of purchasing the quantity needed at the right price.Īs with the last time we looked at it, the annualized failure rate (annualized failure rate is computed by ((Failures)/(Drive Days/365)) * 100) has crept up slightly again, this time to 2.07%, or just over 1,700 drive failures out of over 82,000. The reason for choosing these companies comes from being able to buy the quantity needed for the price that enables Backblaze to offer customers the best deal. Backblaze uses hard drives from primarily four main vendors: Seagate, WD, HGST, and Toshiba. They put 20 storage pods together to make a storage vault that can hold up to 1,200 HDDs. For the backup service Backblaze uses storage pods that holds at least 45 HDDs (the newer pods hold 60 HDDs). The setup/testing environment is still the same as we mentioned last time: Since 2007 Backblaze has been offering an online backup service. And a new addition to the testing is enterprise HDDs, (we covered the importance of the different drive types here). This time Backblaze is looking at over 80,000 HDDs, increasing it from the previous 70,000. Backblaze has released its latest HDD reliability results, the results are for the first quarter of 2017.
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