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Backblaze HDD Statistics for 2017

For the last four years, Backblaze has been producing statistics from their pool of hard drives.  The company provides cloud storage that started with backup and now covers S3-like capabilities.  The figures for 2017 were recently released and make interesting reading. SMART Backblaze now has a set of data spanning just over 93,000 live drives. … Read more »

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Unreliable Disks for Better Scale-out Storage

Recently I was asked to review a document that used as a reference a piece of work from Google which talked about the need to relax the resiliency levels of hard drives and SSDs.  The premise is interesting.  Hyper-scalers claim they could do a better job in managing performance and availability if the HDDs they… Read more »

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6TB HGST Helium Drive Continues Move to Two-Tier Storage

Over the years, hard disk drives have steadily increased their speeds, peaking at 15,000 RPM, with only a fleeting attempt by Western Digital to push the boundaries up to 20K.  As we know, at that point solid-state drives became more viable than faster HDDs and manufacturers have reined back their aspirations.  Recently we’ve seen more… Read more »

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Optimising Storage Architectures for SSD

Last week I attended Hitachi’s 2012 Blogger Day.  Aside from catching up with some old friends, we were presented with some NDA stuff which will see the light of day soon.  In the meantime, I want to talk about a press release Hitachi made while I was still on holiday (and clearly missed as I… Read more »