Search for reliability returned 82 results

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Hard Drive Stats for Q3 2017

By | October 26th, 2017
Q3 2017 Hard Drive Stats

…spread out across the 20 storage pods in the tome for reliability and availability. The remaining 59 tomes, in this case, use 8 TB drives. This allows us to see the performance and reliability of a 12 TB hard drive model in an operational environment without having to buy 1,200 of them to start. Breaking news: Our first Backblaze Vault…

[Search hits:  2 in post body, 0 in title, 8 in comments]

HDD vs SSD: What Does the Future for Storage Hold?

By | March 5th, 2018

…SSDs have over magnetic platter type drives, also known as HDDs (Hard-Disk Drives). We’re a large user of HDDs in our data centers (currently 100,000 hard drives holding over 500 petabytes of data). We want to provide the best performance, reliability, and economy for our cloud backup and cloud storage services, so we continually evaluate which drives to use for…

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HDD vs SSD: What Does the Future for Storage Hold? — Part 2

By | March 13th, 2018

…so much additional information (and so many more charge states) are stored within the same cell of memory. QLC NAND memory is built on older process nodes with larger cells that can more easily store multiple bits of data. The new NAND tech has higher overall reliability with higher total number of program / erase cycles (P/E cycles). QLC NAND…

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Improved Search for Backblaze’s Blog

By | October 24th, 2017

…which are the most popular search terms on our blog. Here are some of the top searches: hard drive stats drive reliability storage pod CrashPlan reliability best hard drive WordPress Synology encryption NAS Linux Here’s an example of a popular post that shows up in searches. Hard Drive Stats for Q1 2017 was published on May 9, 2017. Since September…

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The Decision on Transparency

By | November 14th, 2017

…reviews, but someone saying “this drive died for me” doesn’t provide statistical insight. Google published a study that showed annualized drive failure rates, but didn’t break down the results by manufacturer or model. Since Backblaze has deployed about 100,000 hard drives to store customer data, we have been able to collect a wealth of data on the reliability of the…

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Backblaze Hard Drive Stats for 2017

By | February 1st, 2018

…comments. Hard Drive Reliability Statistics for Q4 2017 At the end of Q4 2017 Backblaze was monitoring 91,305 hard drives used to store data. For our evaluation we remove from consideration those drives which were used for testing purposes and those drive models for which we did not have at least 45 drives (read why after the chart). This leaves…

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Hard Drive Reliability Update – Sep 2014

By | September 23rd, 2014

…At Backblaze we now have 34,881 drives and store over 100 petabytes of data. We continually track how our disk drives are doing, which ones are reliable, and which ones need to be replaced. I did a blog post back in January, called “What Hard Drive Should I Buy?” It covered the reliability of each of the drive…

[Search hits:  4 in post body, 1 in title, 8 in comments]

One Billion Drive Hours and Counting: Q1 2016 Hard Drive Stats

By | May 17th, 2016

…drives. Has BB chosen these for greater reliability? Andy Klein Failure rates are computer based on drive hours (or drive days) for a given drive model. There’s a description of how we compute the failure rate most recently in this post: The formula we use is (100*drive-failures)/(drive-hours/24/365) Andy Klein The short answer we don’t need the speed of the…

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