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Diskpart align raid

Posted on 2012-04-13
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Last Modified: 2012-06-27
I am trying to align the raid in windows 2000 sp4 to 1024.  
This version of diskpart 5.1 does not support this.

Any Ideas on how to do this
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Question by:mleidich
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Expert Comment

by:Subhashish Laha
ID: 37843669
Try using old version of Diskpart released in 2001

http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=23711

If fail, use Diskpar tool to align partition

http://technet.microsoft.com/en-us/library/bb643097(v=exchg.80).aspx
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Author Comment

by:mleidich
ID: 37843772
what would be the command for diskpar.
Sql needs needs to be align=1024 if using diskpart.
What would that be using diskpar.

and format using what allocation size?
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Author Comment

by:mleidich
ID: 37844733
Sql 7 needs align=1024 in diskpart.exe
does anyone know how that would look using diskpar.exe

Diskpart will not work on my Win2000 server, but Diskpar will.
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Expert Comment

by:Subhashish Laha
ID: 37845685
The main difference is that diskpar creates a partition in sectors (512byte), and diskpart uses kilobytes. Simple calculation is

512 byte = 1 sector
1024 byte (1 KB) = 2 sector
so, 1024 KB = 2048 sector

So in Diskpart - if your alignment value is 1024 (in KB), then Diskpar value will 2048 ( multiple by 2)
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Accepted Solution

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Subhashish Laha earned 500 total points
ID: 37845706
Refer below screenshot

Diskpar
Diskpar -s <Disk number>    -   you can find disk number from Disk management
It will prompt you for continue , press (Y)es

Enter Starting offset = 2048  (in your case, 2048 sector = 1024 KB)
Total partition length =  xxx    (enter in MB)

You can leave the partition length blank and hit enter if your partition is going to utilize complete disk.
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