Specifications

Table Of Contents
VMware, Inc. 143
Chapter 6 Using Disks in a Virtual Machine
Shrinking Virtual Disks with VMware Virtual Disk Manager
You!can!use!the!virtual!disk!manager!to!prepare!and!shrink!virtual!disks!only!on!a!
Microsoft!Windows!host.!The!VMware!virtual!disk!manager!is!not!supported!on!Linux!
hosts.!You!cannot!use!the!virtual!disk!manager!to!shrink!physical!disks.!Shrinking!a!
virtual!disk!does!not!reduce!the!maximum!capacity
!of!the!virtual!disk.!For!more!
information!about!shrinking,!see!“Defragmenting!and!Shrinking!Virtual!Disks”!on!
page 125.
CAUTION You!cannot!shrink!a!virtual!disk!if!the!virtual!machine!has!a!snapshot.!To!
keep!the!virtual!disk!in!its!current!state,!remove!the!snapshot.!To!discard!
changes!made!after!you!took!the!snapshot,!revert!to!the!snapshot.
You!must!prepare!each!volume!of!the!virtual!disk!for!shrinking!before!you!can!shrink!
the!disk.!To!prepare!a!volume!for!shrinking,!you!must!first!mount!it.!To!mount!the!
volume,!use!the!VMware!DiskMount!Utility,!available!with!VMware!
Server.!For!more!
information,!see!Appendix:!Mounting!Virtual!Disks”!in!the!VMware!Server!
Administration!Guide.!
-s <n>[GB|MB] Specifies!the!size!of!the!virtual!disk.!Specify!whether!the!size!
<n>!is!in!gigabytes!or!megabytes.!You!must!specify!the!size!of!
a!virtual!disk!when!you!create !it.!
Even!though!you!must!specify!the!size!of!a!virtual!disk!when!
you!expand!it,!you!do!not!use!the!
-s!option!at!that!time.
-t [0|1|2|3] You!must!specify!the!type!of!virtual!disk!when!you!create!a!
new!one!or!reconfigure!an!existing!one.!Specify!one!of!the!
following!disk!types:
0!!to!create!a!single,!growable!virtual!disk.
1!!to!create!a!growable!virtual!disk!split!into!2GB!files.
2!!to!create!a!preallocated!virtual!disk!contained!in!a!single!
virtual!disk!file.
3!!to!create!a!preallocated!virtual!disk!split!into!2GB!files.
-q Disables!virtual!disk!manager!logging.!
If!you!keep!logging!enabled,!messages!generated!by!the!
virtual!disk!manager!are!stored!in!a!log!file.!The!
name!and!
location!of!the!log!file!appear!in!the!terminal!after!the!virtual!
disk!manager!command!is!run.
Table 6-1.
Options/Parameters Description