Windows 8 and 8.1 Forums

SSD Reliability

  1. #1


    Posts : 1,770
    Windows Phone 6, Windows CE 5, Windows Vista x32, Windows 7 x32/x64, Windows 8 x64

    SSD Reliability


    Test your SSDs or risk massive data loss, researchers warn

    New study finds 13 of 15 flash-based solid-state drives suffer data loss or worse when they lose power.

    Companies adopting flash-based SSDs as a cornerstone to the data center storage systems are risking "massive data loss" due to power outages, according to a new study titled "Understanding the Robustness of SSDs Under Power Fault" by researchers from the University of Ohio and HP Labs. In exposing 15 SSDs from five different vendors to power loss, researchers found that 13 suffered such failures as bit corruption, metadata corruption, and total device failure. The paper did not specify which vendors' drives were used.

    The researchers' conclusion: "SSDs offer the promise of vastly higher performance operation; our results show that they do not provide reliable durability under even the simplest of faults: loss of power."
    Test your SSDs or risk massive data loss, researchers warn | Solid state drives - InfoWorld

    It certainly pays to have a complete disk image at all times.

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  2. #2


    And always use a UPS on your systems.
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  3. #3


    Posts : 1,770
    Windows Phone 6, Windows CE 5, Windows Vista x32, Windows 7 x32/x64, Windows 8 x64


    I have an UPS as well, but you have to keep an eye on the battery at all times. Tablets and laptops are good in this respect, as they have an in-built battery backup anyway.
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  4. #4


    3000 power outages and they did not expect to see data loss, seriously.

    Seems to me all they have done is shown that with thousands of power loss's you will most likely lose some data, geeze, I would never have thought that, lol.
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  5. #5


    Posts : 1,770
    Windows Phone 6, Windows CE 5, Windows Vista x32, Windows 7 x32/x64, Windows 8 x64


    Quote Originally Posted by DooRules View Post
    3000 power outages and they did not expect to see data loss, seriously.

    Seems to me all they have done is shown that with thousands of power loss's you will most likely lose some data, geeze, I would never have thought that, lol.
    When doing testing of this nature, you have to repeat the incidences many times to get valid statistical data. What hasn't been shown is when during the testing cycles the failures have occurred. Did they occur at the first power outage, somewhere in between or after thousands of outages? If 50% failed between the 1st and 10th power outage, that would be of serious concern, if 50% failed around the 3000th outage and the other 50% failed after 1000 outages, that may be of less concern. Also, we don't know which SSDs failed and when, so a lot of info is not available.

    The study, however, is not invalid or without merit. It simply provides more information for enterprises, who will probably have access to the full set of data, to make proper decisions regarding data integrity and risk management.
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  6. #6


    Well they should provide the in depth numbers but I guess an alarming headline works better for them.
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  7. #7


    Wynnum Australia
    Posts : 466
    Windows-10-Pro-Build-11099.rs1-x64





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