Specifications

Table Of Contents
VMware Server Virtual Machine Guide
244 VMware, Inc.
use!the!same!device!in!both!host!and!guest.!This!can!cause!unexpected!behavior!and!
may!cause!loss!or!corruption!of!data.!
Permissions on a Generic SCSI Device
You!must!have!read!and!write!permissions!on!a!given!generic!SCSI!device!to!use!the!
device!within!a!virtual!machine,!even!if!the!device!is!a!readonly!device!such!as!a!
CDROM!drive.!These!devices!typically! default!to!rootonly!permissions.!Your!
administrator!should!create!a!group!with
!access!to!read!and!write!to!these!devices,!and!
add!the!appropriate!users!to!that!group.!
Using Two-Way Virtual Symmetric Multiprocessing
(Experimental)
For!all!supported!configurations!of!32bit!and!64bit!host!and!guest!operating!systems!
running!on!multiprocessor!host!machines,!VMware!Server!provides!experimental!
support!for!twoway!virtual!Symmetric!Multiprocessing!(Virtual!SMP).!Virtual!SMP!
lets!you!assign!two!virtual!processors!to!a!virtual!machine!on!any!host!machine!that!has
!
at!least!two!logical!processors.
The!following!host!configurations!are!all!considered!to!have!two!logical!processors:
! A!singleprocessor!host!with!hyperthreading!enabled
! A!singleprocessor!host!with!a!dualcore!CPU
! A!multiprocessor!host!with!two!CPUs,!neither!of!which!are!dualcore!or!have!
hyperthreading!enabled.
NOTE On!hyperthreaded!uniprocessor!hosts,!performance!of!virtual!machines!with!
Virtual!SMP!might!be!subpar.
VMware!Server!does!not!support!guests!with!more!than!two!virtual!processors.!You!
can,!however,!power!on!and!run!multiple!dualprocessor!virtual!machines!
concurrently.
You!can!set!the!number!of!processors!for!the!virtual!machine!from!the!VMware!Server!
Console!in!the!virtual!machine! settings!editor.
!
1Go!to!VM!>!Settings.!
2From!the!Hardware!tab,!click!the!entry!for!Virtual!Processors.!
3Click!one!or!two!to!set!the!number!of!virtual!processors,!and!click!OK.!