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cannot boot Vmware guest in a new enviroment :The available virtual flash resource ('0' bytes) is not sufficient for the requested operation ('8589934592' bytes).

Posted on 2014-03-05
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Last Modified: 2014-03-05
I have moved ( and renamed ) this VM guest and moved it to another ESXi host in a different city , now I get this error when I try to boot ,

The available virtual flash resource ('0' bytes) is not sufficient for the requested operation ('8589934592' bytes).


8589934592' bytes= 64GB
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Question by:NAMEWITHELD12
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Expert Comment

by:Abhilash
ID: 39907078
Are you using the vFlash Read cache for your VM's?
You need to disable the cache and then migrate the VM. Or you will end up with an error.
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by:NAMEWITHELD12
ID: 39907166
I am not sure , How can I check to make sure the VM guest is not using vFlash Read cache?


thanks!!!!!!
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Accepted Solution

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Abhilash earned 2000 total points
ID: 39907184
To deallocate Flash Read Cache on a virtual machine configured to use this feature:

1. Open the vSphere Web Client.
2. Navigate to the Hosts and Clusters view.
3. Select the host on which the virtual machine is running.
4. Click the Related Objects tab.
5. Right-click the virtual machine and Click Edit Settings.
6. Select and expand the hard disk that is assigned the Flash Read Cache.
7. Set the amount of Flash Read Cache assigned to 0.
8. Click OK to apply the changes.

Also, Here's the KB link that explains the same
http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2057840

8589934592 bytes = 8GB not 64GB.
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by:NAMEWITHELD12
ID: 39907355
perfect !!!!!

I would never had found this !!


thanks again , you saved the day!!!
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Expert Comment

by:Abhilash
ID: 39907363
Glad i could help you :)
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