Trim question


  1. Posts : 128
    Windows 7 x64 home premium
       #1

    Trim question


    I noticed a post here that showed how to check trim status so I tried it but the results are not clear to me.

    I run an 80Gb Intel X25M SSD along with multiple other conventional sata HDs.

    Can someone interpret my results?

      My Computer


  2. whs
    Posts : 26,210
    Vista, Windows7, Mint Mate, Zorin, Windows 8
       #2

    You are OK. The first (100MB) partition is properly aligned. That aligns all the other partitions automatically. I guess you were confused by the "101MB" for C. But if you convert 101MB into KBs, it is also divisible by 4.

    PS: I updated the tutorial to explain this particular case.
    Last edited by whs; 12 Sep 2011 at 08:12.
      My Computer


  3. Posts : 128
    Windows 7 x64 home premium
    Thread Starter
       #3

    Thanks whs. You are exactly right in your guessing.

    I'm not clear on why win7/64 divvied up the SSD into two primary partitions either. Oh well.
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  4. whs
    Posts : 26,210
    Vista, Windows7, Mint Mate, Zorin, Windows 8
       #4

    Well, the 100MB active partition has to be a primary. The C partition can be a logical (because it is not the active partition) - but MS always uses primaries. Just to make our life more difficult.
      My Computer


  5. Posts : 7,878
    Windows 7 Ultimate x64
       #5

    Well, typically on hard drives, I think the general convention is to create 3 primary partitions first, then an extended if necessary and logicals within that. That's always how I have done it, seen it done or read about it being done for decades.

    So, I would have fully expected this setup to be 2 primary partitions. Not sure why MS doing this would have made anybodies life more difficult.
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  6. Posts : 128
    Windows 7 x64 home premium
    Thread Starter
       #6

    I quit creating logical drives a long time ago with the advent of NTFS. I didn't find it to offer any advantages that I could see.

    I was mainly curious why the Win7/64 HP install process automagically created the two partitions.
      My Computer


  7. whs
    Posts : 26,210
    Vista, Windows7, Mint Mate, Zorin, Windows 8
       #7

    So, I would have fully expected this setup to be 2 primary partitions. Not sure why MS doing this would have made anybodies life more difficult.
    In many OEM installations, you have 4 primaries out of the box (100MB, C, Recovery and tools). If you then want to create more partitions, you have a problem. Many people not familiar with the NTFS restrictions go ahaead and run into the dreaded dynamics.

    We had a lot of examples of this problem and it could be avoided if MS and the OEMs used the primary partitions more sparingly.
      My Computer


  8. Posts : 6,349
    Windows7 Pro 64bit SP-1; Windows XP Pro 32bit
       #8

    What you show above is alignment which is right at 1024.


    Trim query is this command.

    fsutil.exe behavior query DisableDeleteNotify

    If enabled it will give: = 0 as in Snip.
    Attached Thumbnails Attached Thumbnails Trim question-trim.png  
      My Computer


 

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