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Windows 7: SSD - Fix Misalignment

02 Jan 2012   #9
whs

Microsoft Community Contributor Award Recipient

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 
SSD - Fix Misalignment

If the alignment of your SSD is not divisible by 4, you will suffer a noticeable performance degradation. On an SSD with an installed OS, this situation is not easily corrected. You can try the Click here to read the entire tutorial


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03 Jan 2012   #10
Golden

Microsoft Community Contributor Award Recipient

Windows 7 Ult. x64 Windows 8.1 x64 Ubuntu 12.04 LTS Tri-Boot
 
 

It looks like I am a candidate for your tutorial Wolfgang - Patition 2 offset 101 MB not divisible by 4. I'll give it a go this weekend and post back here.

Code:
 
Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation.  All rights reserved.
C:\Windows\system32>diskpart
Microsoft DiskPart version 6.1.7601
Copyright (C) 1999-2008 Microsoft Corporation.
On computer: COLIN-PC
DISKPART> list disk
  Disk ###  Status         Size     Free     Dyn  Gpt
  --------  -------------  -------  -------  ---  ---
  Disk 0    Online          931 GB  1024 KB
  Disk 1    Online          931 GB  6144 KB
  Disk 2    Online           55 GB      0 B
  Disk 3    Online          931 GB     8 MB
  Disk 4    Online          465 GB      0 B
  Disk 5    Online          465 GB  1024 KB
DISKPART> select disk 2
Disk 2 is now the selected disk.
DISKPART> list partition
  Partition ###  Type              Size     Offset
  -------------  ----------------  -------  -------
  Partition 1    Primary            100 MB  1024 KB
  Partition 2    Primary             55 GB   101 MB
DISKPART>
EDIT : My bad . 101 MB = 103,424 KB which IS divisible by 4

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03 Jan 2012   #11
Dave76

Microsoft Community Contributor Award Recipient

Windows 7 Ult x64 - SP1/ Windows 8 Pro x64
 
 

The first partition is the one that needs to be aligned.
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03 Jan 2012   #12
Golden

Microsoft Community Contributor Award Recipient

Windows 7 Ult. x64 Windows 8.1 x64 Ubuntu 12.04 LTS Tri-Boot
 
 

Quote   Quote: Originally Posted by Dave76 View Post
The first partition is the one that needs to be aligned.
Doh! {face palm x 2}

From Step 1:

Quote:
Note: This step only applies if you have the 100MB active System Partition


Thanks Dave
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03 Jan 2012   #13
whs

Microsoft Community Contributor Award Recipient

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

Quote   Quote: Originally Posted by Golden View Post
Quote   Quote: Originally Posted by Dave76 View Post
The first partition is the one that needs to be aligned.
Doh! {face palm x 2}

From Step 1:

Quote:
Note: This step only applies if you have the 100MB active System Partition


Thanks Dave
You are OK. You fell into the classic trap. The second partition offset is in 101MB which is 101,000KB and very well divisible by 4.
My System SpecsSystem Spec
03 Jan 2012   #14
Dave76

Microsoft Community Contributor Award Recipient

Windows 7 Ult x64 - SP1/ Windows 8 Pro x64
 
 

Quote   Quote: Originally Posted by Golden View Post
Quote   Quote: Originally Posted by Dave76 View Post
The first partition is the one that needs to be aligned.
Doh! {face palm x 2}

From Step 1:

Quote:
Note: This step only applies if you have the 100MB active System Partition


Thanks Dave
You're welcome, no worries mate
My System SpecsSystem Spec
04 Jan 2012   #15
Britton30

Microsoft Community Contributor Award Recipient

Windows 7 Ultimate X64 SP1
 
 

Quote   Quote: Originally Posted by whs View Post
Quote   Quote: Originally Posted by Snakeyeskm View Post
Very nice and needed tutorial.
Since this is aimed at SSD's, I would suggest a secure erase as an option to replace Step 3. This could be particularly important for smaller SSD's since the delete and re-imaging process would create a fairly large amount of activity for the internal garbage collection process. A secure erase would bring the SSD to "fresh" speeds.
Good suggestion. Option added. Thanks!
Does the Parted Magic do the same as the clean all command?
My System SpecsSystem Spec
04 Jan 2012   #16
whs

Microsoft Community Contributor Award Recipient

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

I don't know. Maybe someone else knows.
My System SpecsSystem Spec
04 Jan 2012   #17
Hipster Doofus

Windows 7 Pro x64 -- PCLinuxOS KDE4 FullMonty 2011
 
 

Yes parted magic can do a secure erase.
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04 Jan 2012   #18
Britton30

Microsoft Community Contributor Award Recipient

Windows 7 Ultimate X64 SP1
 
 

Quote   Quote: Originally Posted by Hipster Doofus View Post
Yes parted magic can do a secure erase.
I know that, but is it the same as the diskpart clean all command which also writes zeros to all sectors?. The article says PM will take "Acouple of minutes" while clean all takes much longer. PM claims it is doing the same.
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04 Jan 2012   #19
Hipster Doofus

Windows 7 Pro x64 -- PCLinuxOS KDE4 FullMonty 2011
 
 

I'm no expert not even close with using parted magic.

I've used it a few times for doing a secure erase. First couple of times it took 1 or 2 seconds. Supposedly writing zeros.

Next time I did it it went to an additional screen. (can't remember what it was about) This time for a 120gb drive it took 24 minutes. Supposedly writing zeros also.
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 SSD - Fix Misalignment





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