Creating Virtual Machines

5 important questions on Creating Virtual Machines


Files That Make Up a Virtual Machine


Configuration file(<VM_name>.vmx)
Swap files(<VM_name>.vswp)
                                          (vmx-<VM_name>.vswp)
BIOS file                            (<VM_name>.nvram)
Log files                            (vmware.log)
Template file                    (<VM_name>.vmtx)
Raw device map file         (<VM_name>-rdm.vmdk)
Disk descriptor file           (<VM_name>.vmdk)
Disk data file                     (<VM_name>-flat.vmdk)
Suspend state file             (<VM_name>.vmss)
Snapshot data file            (<VM_name>.vmsd)
Snapshot state file           (<VM_name>.vmsn)
Snapshot disk file(<VM_name>-delta.vmdk)


A virtual machine has an additional lock file if it resides on an NFS datastore.
A virtual machine has a change block tracking file (.ctk)if it is backed up with the VMware vSphere® Data ProtectionTM appliance or other backup software that has enabled the CDP feature.


Storage Views tab View Reports or Maps

• Show all virtual machine files
• Datastores
• LUNs
• SCSI adapters, array ports, and paths
• NAS mounts


Virtual Hardware Versions


The virtual hardware version has these characteristics:

- Dictates the operating system functions that a virtual machine supports
- Cannot be later than the version supported by a VMware product

Product Version Hardware Version
ESXi 5.5 wcli                    10
ESXi 5.1, 5.5                       9
ESXi 5.x                              8
ESXi/ESX 4.x                      7


vSphere 5.5 introduces virtual hardware version 10, which requires the VMware vSphere® Web Client.
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Virtual Disk : The ESXi host offers a choice of adapters:


BusLogic Parallel,
LSI Logic Parallel,
LSI Logic SAS
VMware Paravirtual

VMware Tools Features include:

• Device drivers:

   - SVGAdisplay
•   - vmxnet/vmxnet3
•   - Balloondriverfor memory management
   - Syncdriverfor quiescing I/O • Improvedmouse

• Virtual machine heartbeat

• Time synchronization (VMware Tools service)

• Ability to shut down virtual machine

• Adds additional choices to Perfmon DLL.


•A set of scripts that helps you automate guest operating system operations. You can configure the scripts to run when the virtual machine’s power state changes.

•The VMware user process, which enables you to copy and paste text between the guest operating system and the managed host operating system.

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