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How can I display the block size settings for a VMFS data store?

I am trying to figure out what settings were used for past VMFS data stores created by a previous admin.... Where can I see what format settings they used?
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Thaidog
Asked:
Thaidog
4 Solutions
 
Brad HoweCommented:
VMWare KB has what you need.

http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1003565

VMFS Block Sizes
The block size on a VMFS datastore defines two things:
•The maximum file size
•The amount of space a file occupies
To determine the block size used by a datastore:

From the VI/vSphere Client:
1.Select an ESX host that contains the datastore.
2.Click the Configuration tab.
3.Click Storage.
4.Select the datastore.
5.The block size is identified in the Details window under the Formatting subheading.

From the ESX console:
1.Log in to the ESX console.
2.Run the command:

# vmkfstools -P <path to datastore>

The block size is in bold in this line:

Capacity 429228294144 (409344 file blocks * 1048576), 8896118784 (8484 blocks) available

Where 1048576 is equivalent to a 1 MB block size on a VMFS datastore.


Cheers,
Hades666
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essaydaveCommented:
Hi Thaidog

Check out LucD's awesome script in Post 6 at:

http://communities.vmware.com/message/1593202#1593202

He's the co-author of http://www.powerclibook.com/ and knows his stuff!
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Select Properties on the datastore using the vSphere Client.
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piyushranusriCommented:
you can log in to the esx console and type the command

# vmkfstools -P <path to datastore>

or 1.http://communities.vmware.com/message/1593202#1593202
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