Win7 defragmenter analyzes SSD frequently

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  1. Posts : 6,668
    Windows 7 x64
       #11

    To my knowledge no writing occurs during the analyzing process, except perhaps to the log. It also is not analyzing the entire disk it's a very brief check and completes in a matter of seconds. (at least on my system) I can't believe it's really that much of a hard hitter to lifespan.
    Obviously every byte of read and write brings you one less to your last before decay, that has always been true of any type of drive or disk though.

    I am simply not understanding why people freak out about it so much more with ssd's than they did with mechanicals.
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  2. Posts : 25,847
    Windows 10 Pro. 64/ version 1709 Windows 7 Pro/64
       #12

    I'm not freaking out, it's not my computer. When one does analyze the defrag percent what has been accomplished?
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  3. Posts : 6,668
    Windows 7 x64
       #13

    it can be a measure of overall drive activity and use actually. I'll agree with you that overall it's fairly useless and there is likely a way to prevent it by looking through the task scheduler.
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  4. Posts : 12,012
    Windows 7 Home Premium SP1, 64-bit
       #14

    deepsilence said:
    ignatzatsonic said:
    I've noticed the same thing.

    I'd guess that the SSD is analyzed because you can defrag it manually if you want to--although you shouldn't. In that sense, Windows treats it like an HDD.

    The fragmentation level of my SSD moves around a bit. I manually analyzed it a few minutes ago and the fragmentation level dropped from 10 to 9. I've never defragged it.

    I'd be interested in other comments, but I don't think it's any cause for concern.
    Thanks for replying.

    Do you mean win7 defrager also checks your SSD frequently like this?
    My SSD was installed in late April 2011.

    I just looked at all the event 258 (defrag) entries in Event Viewer.

    My SSD was analyzed at these times:

    May 2011: once
    June 2011: 3 times
    July 2011: 3 times
    September 2011: once
    October 2011: 3 times
    November 2011: once
    February 2012: once
    May 2012: once
    July 2012: once

    A total of 15 times. My defrag schedule is set for weekly. My SSD is never defragged.

    I did not count them, but I would estimate that each of my 2 HDDs has at least 5 times as many defrag entries in Event Viewer as my SSD---perhaps 10 times as many. Perhaps once per week according to a schedule?

    I will occasionally go to the defrag window and MANUALLY analyze my drives. It may be that ALL of the 15 analyses of the SSD were the result of a manual request, rather than the result of any automated schedule. I'm not sure about that.

    So it appears you have much more SSD analysis going on than I do.
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  5. Posts : 2,528
    Windows 7 x64 Ultimate
       #15

    BTW SSD reads do not deplete it's lifetime. At least not like writes do. Your SSD is read from probably 10,000 times as much as it is written to. Reads do not cause "wear" like writes do.

    Watching the fragment value go down is likely due to the SSDs internal garbage collection at work :)
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  6. Posts : 25,847
    Windows 10 Pro. 64/ version 1709 Windows 7 Pro/64
       #16

    I'm thinking Trim is there for a reason. How you would check and see if it works properly, who knows. I just use Intel Tool Box.
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  7. Posts : 12,012
    Windows 7 Home Premium SP1, 64-bit
       #17

    Layback:

    Enter this at a command prompt:

    fsutil behavior query disabledeletenotify

    If the response is DisableDeleteNotify = 0, trim is enabled.
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  8. Posts : 25,847
    Windows 10 Pro. 64/ version 1709 Windows 7 Pro/64
       #18

    I have made that check before and got a zero (0). Just did it again and got zero (0) again. To my way of thinking Trim is the defrag for SSD's.
      My Computer


  9. Posts : 12,012
    Windows 7 Home Premium SP1, 64-bit
       #19

    Layback Bear said:
    I have made that check before and got a zero (0). Just did it again and got zero (0) again. To my way of thinking Trim is the defrag for SSD's.
    And you are still confused about how to check trim, as stated in post 16 by your "who knows" comment?
      My Computer


  10. Posts : 25,847
    Windows 10 Pro. 64/ version 1709 Windows 7 Pro/64
       #20

    I understand I have Trim working but I don't really know how good it works. That what I mean by who knows. When you defrag a hard drive a lot of times you can see with your own eyes that things are faster. A SSD is so fast anyway I don't know if one would know. That's what I mean by who knows. Back to the OP's question.
    If you want to analyze your SSD do it. If you want to defrag your SSD, do it. The manufactures of all SSD that I have looked into recommend not doing it.
    Have a nice day.
      My Computer


 
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