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VMware ESX 4 expanding an IDE Drive

I found an article on how to do this, but one of the steps is to edit the vmdk file and tell it that it is a lsilogic drive instead of an ide drive, and when I find the vmdk file and try to edit it with vi I get a "Permission Denied" error.  I am trying to edit the right vmdk file, not the large flat file with the data, but the vmdk file with the information about the disk.  The article I am following is this one.

http://claykinney.blogspot.com/2010/06/vmware-esxi-4-increase-ide-drive-size.html
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jpletcher1
Asked:
jpletcher1
2 Solutions
 
ploftinCommented:
Did you stop the VM before attempting this process? The VM must be stopped to edit the VMDK.  In fact, if ANY VM has that VMDK mapped, they must all be stopped before you can edit the VMDK file.
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jpletcher1Author Commented:
I cloned the machine that I want to do this to, and I'm using the cloned vm to test this process on first.  It is shut down yes.  The vmdk file should only belong to the clone vm.
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coolsport00Commented:
So you are trying to increase the size of your virtual disk? The simplest way is to use vCenter Converter Standalone tool (https://www.vmware.com/tryvmware/?p=converter&ie=UTF-8&rlz=1T4GGLL_enUS398US398&q=vcenter%20converter%20download) and change the disk size to the size you want.

Regards,
~coolsport00
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jpletcher1Author Commented:
Yes, I have done that before when I originally did a p2v with this machine, but after it is converted it breaks the licensing for the application that that is a pain to get re-done.  Maybe it wouldn't happen just going from a virtual machine to a virtual machine though.
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coolsport00Commented:
Hmm...that sucks. I don't recall hearing about that happening, but good to know that can happen when doing P2Vs. Well, it won't hurt to try it I guess...let me know how it goes. :)

~coolsport00
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Danny McDanielClinical Systems AnalystCommented:
are you logged in as root or another user?  If you logged in as root, do a 'su -' to switch to root and try it again.
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jpletcher1Author Commented:
I got impatient and just used the standalone converter, and as expected the application broke and I had to re-license it.  Not a huge deal, but a pain.  The disk is resized though so that issue is out of the way.

Afterwards out of curiousity I double checked to see if I could edit the vmdk file again, but made sure I was logged in as root.  That was the issue as far as not being able to edit the file.  I was logged in with another user and didn't su - first.  

Thanks guys.
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