Question about SSDs

Discussion in 'PC Hardware' started by Charlie Hoffpauir, Dec 6, 2014.

  1. I have a SSD (Samsung 840 series 250 GB) and I decided to shrink the
    partition containing my C drive (with Win 7 and installed programs) to
    make a bit more room in the second partition for data. It seems to
    "work" using Win 7 Computer Management, but it takes a long time, much
    longer than it does to shrink a partition on a rotating drive. I'm
    just curious as to why this is the case?
     
    Charlie Hoffpauir, Dec 6, 2014
    #1
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  2. Well, when I opened up the box, I found it wasn't the Samsung after
    all, it's an Intel, 730 series. I have no idea if it's TLC flash or
    not. Anyway, the deeds finally completed, and all seems OK.
     
    Charlie Hoffpauir, Dec 6, 2014
    #2
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  3. Charlie Hoffpauir

    Flasherly Guest


    Used this info/tool to "try" and align up the SSD partitions
    correctly. More, actually, an attempt at W7's persistent habit for
    shutting down while flagging all my drives with a "dirty-bit," XP
    subsequently would pickup and churn over with its scandisk routine;-
    Microsoft's attempt at screwing in a lightbulb with five Poles, I
    guess, so I gave up on W7's mannerism and had to hide any drives it
    didn't need.

    The MT PW software does do its thing (alignment), although (something
    I remember) didn't convince me of any lasting or contradictory effects
    I may have run into (hmm...possibly w/ another partitioner, maybe even
    W7's disk management). I left them (the partitions) largely for a
    result MiniTool derived, anyway, as well checked the math for
    establishing they were correctly aligned.

    No problems other than a little getting used to a Samsung, unlike the
    Crucial I later bought, which was a bear to first get an
    active/primary assignment bootable. Ran thru a ton of bullshit with a
    lot of different partitioning tools, before an old Partition Magic 8
    fixed it. Old enough to be remainder not readily to throw away any
    working program because of its age;- alternatives being, having to
    jump through the "corporate hoops," such as Crucial has affiliated
    itself with, for outsourcing responsibility of the enduser setting up
    a drive with a commercial partitioning product (they give a serial key
    and such - except I'm just not really interested in that sort of
    dependency crap).

    --

    freeware
    MiniTool Partition Wizard Home Edition is a free partition manager
    software designed by MiniTool Solution Ltd. Our partition manager
    supports 32/64 bit Windows Operating System including Windows XP,
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    MiniTool Partition Wizard Home Edition is designated for home user
    only, to use MiniTool Partition Wizard in a business environment,
    MiniTool Partition Wizard Professional Edition is required.

    --

    Speed Up Your SSD By Correctly Aligning Your Partitions

    We've covered proper solid state drive maintenance before, but one of
    the most overlooked factors in proper SSD care is partition alignment.
    Here's how to make sure your partitions are aligned correctly and that
    you're getting the most out of your SSD.
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    We talked about partition alignment in our SSD migrating tutorial, but
    if you've already migrated to an SSD, you might not have realized that
    you're sacrificing performance with misaligned partitions. A regular
    hard drive usually starts its first partition after 63 empty blocks,
    while SSDs require 64 blocks of data for optimal performance. This
    means that sometimes, if your SSD was formatted by something other
    than Windows' installer, it can be aligned incorrectly and will
    transfer data much slower than intended.
    How to Migrate to a Solid-State Drive Without Reinstalling WindowsHow
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    To see if your partitions are aligned correctly, hit the Start menu
    and type in msinfo32. Enter Msinfo32 and go to Components > Storage >
    Disks. Look for your SSD on the list and find the "Partition Starting
    Offset" item. If this number is divisible by 4096 (that is, if
    dividing it by 4096 equals a whole number and not a decimal), your
    partition is correctly aligned. If not, you need to realign it.
    Luckily, this is pretty easy to do with the Gparted live CD. If you
    have an Ubuntu live CD lying around, that will work too, since it has
    Gparted available under System > Administration.

    Start up Gparted and find your SSD in the upper-right dropdown menu.
    Select it, and click on your first partition in the menu. Hit the
    Resize/Move button in the toolbar. Change the "Free Space Preceding"
    box to 2MB, uncheck "Round to Cylinders", and hit "Resize/Move". (If
    you're using a newer live CD, check the "MiB" box). Hit Apply once and
    let it do its thing.

    Now hit Resize/Move again, and change the "Free Space Preceding" box
    to 1MB. Uncheck "Round to Cylinders" again, hit Resize/Move, then
    click Apply. Now your drive will be aligned to exactly 2048 blocks
    after the beginning of the disk, which allows for optimal SSD
    performance. Note that if you have multiple partitions on your SSD,
    you'll need to repeat this process for each partition, not just the
    first one on the disk.

    Yes, moving it 2MB away then moving it back 1MB seems like a long,
    roundabout method, but Gparted measures space in a weird way. When you
    first start up Gparted, your partition will have less than 1MB of
    space preceding it, but Gparted will only measure it as 0-meaning if
    you align it to 1MB right off the bat, it'll keep the drive annoyingly
    misaligned at 1.03MB. If you set it to 2MB, hit Apply, and then move
    it back to 1MB, it works fine.

    Boot back into Windows, open Msinfo32 back up, and run the above check
    again. If you get a whole number this time, your partition is
    correctly aligned. If you get an error when you try to boot back into
    Windows, that doesn't mean you did anything wrong—sometimes Windows
    gets a little confused and can't find a partition if you move it (even
    if you only move it 0.7MB away). Grab your Windows installation disc,
    boot into it, and hit Repair Your Computer on the main menu. It should
    automatically detect the issue and fix your boot menu for you.

    That's it. It seems a little complicated and roundabout, but it's
    something not a lot of people know to do, so you may have been sitting
    with a non-optimized SSD for all this time (I know I have been for a
    few months). This should fix the problem, and if you've had your SSD
    for awhile, you might even notice a speed boost.
     
    Flasherly, Dec 6, 2014
    #3
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