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Optimal cluster size for 64K striped NTFS volume?

Last response: in Windows 2000/NT
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Anonymous
September 11, 2004 12:06:00 PM

Archived from groups: microsoft.public.win2000.file_system (More info?)

I am looking to optimize the Read performance of a given
volume.

Given:
Windows 2000 Server SP4
Software Raid-0
Two ATA/100 HD's each on a separate controller.
Volumes will be formatted NTFS.

If Raid writes 64KB stripes, how does that influence my
selection of a cluster size when I format these drives?

I am thinking that it might be wise to select something
greater than the 4K default, but have been unable to find
any performance study concerning cluster sizes in RAID
enviroments.

Thank you in advance for any assistance.
Anonymous
September 14, 2004 1:10:05 AM

Archived from groups: microsoft.public.win2000.file_system (More info?)

The most important question is: What is a normal disk access for the array?

This web site might help you:

http://osr5doc.sco.com:1997/PERFORM/choosing_vd_clustsi...

Best regards

Bjorn
--
Bjorn Landemoo - mvp2@landemoo.com - http://landemoo.com/
Microsoft MVP (Windows Server - File System)

"Programmer" <anonymous@discussions.microsoft.com> wrote:

>I am looking to optimize the Read performance of a given
>volume.
>
>Given:
> Windows 2000 Server SP4
> Software Raid-0
> Two ATA/100 HD's each on a separate controller.
> Volumes will be formatted NTFS.
>
>If Raid writes 64KB stripes, how does that influence my
>selection of a cluster size when I format these drives?
>
>I am thinking that it might be wise to select something
>greater than the 4K default, but have been unable to find
>any performance study concerning cluster sizes in RAID
>enviroments.
>
>Thank you in advance for any assistance.
>
>
!