6.5.1

Table Of Contents
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You can move or clone disks that are greater than 2 TB to ESXi 5.5 or later hosts or to clusters that
have such hosts available.
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The datastore format must be VMFS5 or later or an NFS volume on a Network Attached Storage
(NAS) server.
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Virtual Flash Read Cache supports a maximum hard disk size of 16 TB.
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VMFS3 volumes are not supported. You cannot move disks greater than 2 TB to a VMFS3 datastore.
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Fault Tolerance is not supported.
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BusLogic Parallel controllers are not supported.
Change the Virtual Disk Configuration
If you run out of disk space, you can increase the size of the disk. You can change the virtual device node
and the persistence mode for virtual disk configuration for a virtual machine.
Prerequisites
Verify that you have the following privileges:
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Virtual machine.Configuration.Modify device settings on the virtual machine.
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Virtual machine.Configuration.Extend virtual disk on the virtual machine.
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Datastore.Allocate space on the datastore.
Procedure
1 Right-click a virtual machine in the inventory and select Edit Settings.
2 On the Virtual Hardware tab, expand Hard disk to view the disk options.
3 (Optional) To change the size of the disk, type a new value in the Provisioned Size text box and
select the units from the drop-down menu.
4 (Optional) To change the way that disks are affected by snapshots, select a disk mode option.
Option Description
Dependent Dependent disks are included in snapshots.
Independent - Persistent Disks in persistent mode behave like conventional disks on your physical
computer. All data written to a disk in persistent mode are written permanently to
the disk.
Independent - Nonpersistent Changes to disks in nonpersistent mode are discarded when you turn off or reset
the virtual machine. With nonpersistent mode, you can restart the virtual machine
with a virtual disk in the same state every time. Changes to the disk are written to
and read from a redo log file that is deleted when you turn off or reset the virtual
machine.
5 Click OK.
vSphere Virtual Machine Administration
VMware, Inc. 125