Multiple users on VM

I have a general question:

If  there are multiple users with (R/W) access for One VM, how can a VM Administrator keep track of the following:

1. If two users are working on a same document, can   the VM Admin see what changes are being made?
2. How to confirm, the total number of users using that VM at a specific  time
3. What type of changes has each user made on the VM?
4. If two users  saves the docs on the VM at the same time, whose docs will take precedence or will it be over written?
5. How does the File system work in such cases (VMDK/Flat File and Delta VMDK)?
cgeorgeisaacAsked:
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Your question is not specific to a virtual machine, the VMware Administrator is not responsible for keeping track of changes in the OS.

The same OS auditing is used in physical or virtual machines, so you would enable AUDITING in the OS.

1. If you are referring to the Admin user that logs into vSphere (ESXi) - NO.

2. You would need to be an Administrator of the Virtual Machine, and logged into the virtual machine, and look at the Events, Auditing, and Server Manager, and look at computer management, and look at Shares or Connections - this would be the same for a physical server or computer, Virtual machines are no different.

3. Enable Auditing.

4. The last document to be saved, will over write the document.

5. The NTFS file system if Windows NTFS operates in the same way it does on a physical computer, the OS does not know the computer is virtualised.

If you want to understand what a delta file is, please read my EE Article

HOW TO: VMware Snapshots :- Be Patient

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Bryant SchaperCommented:
just to add, as Andrew mentioned they are managed like a physical server.  Your question is certainly more geared towards the role of a server admin, not a VMware admin but he could wear both hats.

We are just going to assume Windows, but if a user tries to open a file already in use, they will probably get the file locked for editing message from Office.

I am no Linux expert, so could not tell you that system behaves but probably similar.
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