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  1. #1
    5 Star Lounger
    Join Date
    Jan 2011
    Seattle, WA
    Thanked 132 Times in 86 Posts

    Network-attached drives for here and there


    Network-attached drives for here and there

    By Michael Lasky

    The latest network-attached storage drives provide secure and redundant backups, personal cloud storage, and high-speed media streaming. Here's an example. Plus: Two hard-drive adapters that let you resuscitate old internal drives, and an indestructible
    flashlight that charges via USB.

    The full text of this column is posted at (paid content, opens in a new window/tab).

    Columnists typically cannot reply to comments here, but do incorporate the best tips into future columns.
    Last edited by Kathleen Atkins; 2015-04-22 at 15:22.

  2. #2
    Star Lounger
    Join Date
    Jun 2001
    Harpenden, Hertfordshire, England
    Thanked 1 Time in 1 Post
    I agree with your comments on using an external target for backups with a second mirrored drive. However, even that can fail. I was shocked a few years ago to find both drives of the RAID formation fail at abut the same time. Researching the problem, I found that simultaneous failures are far more common than one would think, particularly if the drives come from the same batch or have been subject to the same environment. The research found far higher multiple failure rates that uncorrelated random events would suggest.

    That time I was saved by the fact that I had a second backup of the NAS itself. I now use a 2 bay NAS, Raid mirrored, with Seagate NAS rated HDDs for the main backup target, and every month I back up the whole NAS to a separate USB3 HDD that otherwise lives in a fireproof datasafe.

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