Windows – How to get the cluster size on Windows 2008

windowswindows-server-2008

This should be really simple but I can't just figure it out. I want to get the cluster size for a partition, e.g. 512, 1024, 2048 .. etc. How can I get this?

On my Windows XP I use a small utility called TreeSize to get the cluster size along with many other details, I believe it should work with Windows 2008 too but I can't believe it's not possible without a utility.

Your help is really appreciated

Best Answer

Use the following command:

fsutil fsinfo ntfsinfo c: (where c: is the volume/path to obtain the data for)

This will show you smilar to the following:

NTFS Volume Serial Number :       0x9e800d87800d675d
Version :                         3.1
Number Sectors :                  0x000000000c7fffff
Total Clusters :                  0x00000000018fffff
Free Clusters  :                  0x000000000091cfd1
Total Reserved :                  0x00000000000001b0
Bytes Per Sector  :               512
Bytes Per Cluster :               4096
Bytes Per FileRecord Segment    : 1024
Clusters Per FileRecord Segment : 0
Mft Valid Data Length :           0x0000000009fc0000
Mft Start Lcn  :                  0x00000000000c0000
Mft2 Start Lcn :                  0x0000000000c7ffff
Mft Zone Start :                  0x00000000000c9ca0
Mft Zone End   :                  0x00000000000ca7e0
RM Identifier:        07A1930B-353D-11DE-AB63-E15CC5EE82D6
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