Dell VMware ESX Server 3i Guía de instalación descargar pdf (Pagina 15)

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Chapter 1 System Requirements

Enhanced Performance Recommendations

! A second disk controller with one or more drives dedicated to the virtual machines

! Sufficient RAM for each virtual machine and the service console

! Dedicated Ethernet cards for network-sensitive virtual machines

The lists above outline a basic configuration. In practice, you may use multiple physical

disks, which may be SCSI disks, Fibre Channel LUNs, or RAID LUNs. For best

performance, all of the data used by the virtual machines should be on the physical

disks allocated to virtual machines. Therefore, these physical disks should be large

enough to hold disk images that will be used by all the virtual machines.

Similarly, you should provide enough RAM for all of the virtual machines plus the

service console. For background on the service console and how to calculate the

amount of RAM you need, refer to the VMware ESX Server Administration Guide.

ESX Server virtual machines can share a SCSI disk with the service console, but for

enhanced disk performance, you can configure the virtual machines to use a SCSI

adapter and disk separate from those used by the service console. You should make

sure enough free disk space is available to install the guest operating system and

applications for each virtual machine on the disk that they will use.

Maximum Physical Machine Specifications

Storage

! 16 host bus adapters per ESX Server system

! 128 logical unit numbers (LUNs) per storage array

! 128 LUNs per ESX Server system

OTE To ensure the best possible I/O performance and workload management, VMware ESX

Server provides its own drivers for supported devices. Be sure that the devices you plan

to use in your server are supported. For additional detail on I/O device compatibility,

download the VMware ESX Server I/O Adapter Compatibility Guide from the VMware

Web site at www.vmware.com/support/resources/esx_resources.html.

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Dell VMware ESX Server 3i Guía de instalación Pagina 15