VMware GSX Server 3 Administration Especificações Página 29

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VMware, Inc. 29
Chapter 1 Introduction to VMware ESX Server
Figure 1-3. virtual Machine configuration
In!Figure 13,!each!virtual!machine!is!configured!with!one!CPU,!an!allocation!of!
memory!and!disk,!and!two!virtual!Ethernet!adapters.!In!reality,!they!share!the!same!
physical!CPU!and!access!noncontiguous!pages!of!memory!(with!part!of!the!memory!of!
one!of!the!virtual!machines!currently!swapped!
to!disk).!Their!virtual!disks!are!set!up!as!
files!on!a!common!file!system.
Each!of!the!example!virtual!machines!has!two!virtual!NICs.!Virtual!NICs!1a!and!2a!are!
attached!to!the!virtual!switch!that!is!bound!to!physical!NICs!1a!and!2a.!Virtual!NICs!1b!
and!2b!are!
attached!to!a!purely!virtual!switch.
Software Compatibility
In!the!VMware!ESX!Server!architecture,!guest!operating!systems!interact!only!with!the!
standard!x86compatible!virtual!hardware!presented!by!the!virtualization!layer.!This!
provides!the!capability!for!VMware!to!support!any!x86compatible!operating!system.
In!practice,!VMware!supports!a!subset!of!x86compatible!operating!systems!that!are!
tested!throughout!
the!product!development!cycle.!VMware!documents!the!installation!
and!operation!of!these!guest!operating!systems!and!trains!its!technical!personnel!in!
their!support.!
Because!applications!interact!only!with!their!guest!operating!system,!and!not!with!the!
underlying!virtual!hardware,!after!operating!system!compatibility!with!the!virtual!
hardware!is!established,!application!compatibility
!is!not!an!issue.
Virtual machine 1
Virtual machine 2
Memory
Disk
Physical resources
NIC
Virtual network
Memory Memory
Disk
Disk
NIC
NIC
NIC
NIC
CPU
CPU
CPU
CPU1
CPU1
Mem1
Mem1
Mem1
Disk1
Disk1
NIC1a
NIC1a
NIC1b
NIC1b
CPU2
CPU2
Mem2
Mem2
Disk2
Disk2
Disk2
NIC2a
NIC2a
NIC2b
NIC2b
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