Do I need to fix the allignment on my Intel SSD?

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jnmfox

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Jan 26, 2005
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I installed Win XP and all my programs on my Intel SSD today. I ran AS SSD benchmark and it noted my alignment at 31K was "BAD".

After&


Do I need to re-align my drive?
 
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RU482

Lifer
Apr 9, 2000
12,689
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as-ssd-bench-english.png


compare to what I found on their website...I think you're OK, you might gain a lil
 
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railman

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Dec 22, 2009
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Since you are running WinXP you need to align your drive. XP does not use the correct offset for an SSD drive like Vista and Win 7 do. You will not notice any performance gain or loss by alignment alone until the drive nears full write levels. This is not the same as a full drive but rather all cells being written to. WinXP's offset will cause the filesystem to write data approximately 8 pages from the begining of each cell on an SSD so those pages are lost space and this lost space translates into all cells written to faster than a properly aligned drive. Win 7 and Vista align drives at 1024kb and that is considered optimum for SSD's.
 
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jnmfox

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Jan 26, 2005
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Seero

Golden Member
Nov 4, 2009
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jnmfox said:
To fix the alignment I was going to follow the instructions I found here, http://www.ocztechnologyforum.com/forum/showthread.php?t=48309

-I was thinking to fix the alignment I would make an image of the drive with DriveSnapShot (http://www.drivesnapshot.de/en/index.htm).

-Run the Win 7 to create the partition or run diskpar or diskpart

-Reinstall Windows XP on the SSD then restore the SnapShot image.

Is there a better way to fix the alignment?
Click to expand...
IMO you don't need to re-align your intel SSD as it does not seem to cause any problems on your existing alignment.

Make an image off your drive, then use diskpar to reallign the drive, then restore the image back to the drive.

Or

use diskpar to re-align the drive, then reinstall windows XP and make sure you install it on the petition that is created by diskpar. Do not allow the installation to format or make new petitions.
 
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jor8888

Member
Jul 20, 2000
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re-align without data loss:

http://www.forum.crucial.com/t5/Solid-State-Drives-SSD/Re-alignment-without-data-loss/m-p/4829

Download this file: http://sourceforge.net/projects/gpa...ble/0.4.6-1/gparted-live-0.4.6-1.iso/download
Follow instruction:

1. Make sure the disk is backup/cloned
2. Boot the system with the Gparted live CD.
3. Select the parition you are wanting to resize and choose (Move/Resize)
4. Remove Round to Cylinders
5. Free 10mb from the left side
6. Once the move completes, exit Gparted, not the entire live CD, just the Gparted application
7. Start the terminal window on the live CD
8. In the command window type 'parted /dev/sda' to start the command line parted editor
9. Create a new partition at the start of the disk to fill in the space up to the section where you want to align your parition. For example, if you want your system partition to start at sector 128, create a very small partition that takes up space from sectors 63-127. The command would be something like this:

mkpart primary 63s 127s

This tells parted to create a new primary partition from sector 63 to sector 127. That means the very next sector available is 128, a stripe aligned partition. You may want a different start sector based on your array (some use 64K, some 128K, some bigger) but I've found the 128K alignment to work well with both 64K (Equallogic) and 128K (EMC Clariiion) stripe sizes.

10. Exit parted and restart the Gparted GUI by clicking the Gparted icon.
11. Use the Move/Resize option to resize the NTFS partition to fill the entire remaining space. And uncheck round to cylinders.
12. Exit gparted, run parted again, remove the small partition you created earlier . Command: Help, Print, RM # and reboot.
 
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