ESXi 4.1 issue with vm having disk greyed out

We have one vm that I cant access the disk. It is greyed out. I checked for snapshots and or delta files, and there are none.
I created a snapshot and then said delete all but still cant access the disk. Any ideas on what I can check or see what is causing this to be greyed out??
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vmichAsked:
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PsymoniousCommented:
Hi vmich,

Please add more specific details about "cant access".
Did you mean acces on the VMs properties?

Please add a screenshot or dirlist of the VMs folder.

Regards,
Simon
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vmichAuthor Commented:
Sorry
When I go into the vctr,and click on edit settings for the vm, the disk is greyed out and I cant do anything with it..
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
You could search, and look at the processes to check, what has a lock on the disk.

but, it#s much much quicker, than going through that pain, to restart the server.
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vmichAuthor Commented:
We have rebooted many times and also have powered off the vm but still is shows greyed out..
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PsymoniousCommented:
I read about an issue with the disk type (ide/scsi) here
http://www.jjclements.co.uk/2010/06/08/vsphere-convert-vm-ide-disk-to-scsi-disk/

I also heard about an issue, where the snapshot was not visible on the snapshot manager.

That VMware KB may help
http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1002310
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
What are you trying to do Edit ?

Re-size ?

if there is a snapshot or IDE, you cannot re-size, it's not supported.
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vmichAuthor Commented:
I checked the datastore that this vm is on and looked for snapshot files and or delta files, but there are none.
This is the only vm that is having this issue.
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vmichAuthor Commented:
There is no snapshot that I can find anywhere on it.
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
IDE disk ?
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vmichAuthor Commented:
SAS storage on a san. Same as all the other vms...
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
What is the virtual disk in the Guest VM?

SCSI or IDE ---- if IDE edit not supported.

What are you trying to do with the virtual disk in the VM ?
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vmichAuthor Commented:
Well we are trying to back the vm up, but because the disk is greyed out the software which is from EMC does not like it..
The disk is SCSI not IDE
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
can you provide a screenshot of the VM settings and grey out disk ?

the VM is off?
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vmichAuthor Commented:
No the vm is running and when powered off, the disk is still greyed out..
This is a very strange one that makes no sense at all..
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
screenshot.....

it's not a linked clone with another VM ?
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vmichAuthor Commented:
No it is not...
C--screen-shot2.png
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
how odd.....

anything look odd, in the VM Folder ?

can this disk be remove from the VM ? (not the VMFS datastore - disk!)
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vmichAuthor Commented:
Very odd...
Nothing I could see. did not try to remove the disk..
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
the disk is not attached to another VM or Backup Appliance ?

what is also odd, is the maximum size is N/A ?

If you Right Click and CLONE do you get an error - I wonder?

Restart VCenter Server Service

Restart Network Management Agents

Restart Host

and you can always V2V to create a new VM
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compdigit44Commented:
Can you please review the VMware link below on how to find what is locking a Vmware file an let us know how you make out....

http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=10051
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vmichAuthor Commented:
disk attached
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