Specifications

Administration Guide
284 VMware, Inc.
! QLogic!and!Emulex!HBAs!in!a!clustered!environment!must!be!dedicated!to!
VMkernel.
Important Notes
! Each!virtual!machine!by!default!has!five!PCI!slots!available.!In!this!configuration!
(two!network!adapters!and!two!SCSI!host!bus!adapters),!four!of!these!slots!are!
used.!This!leaves!one!more!PCI!slot!for!a!third!network!adapter!if!needed.
! VMware!virtual!machines!emulate!only!the!SCSI‐2!disk!reservation!protocol!and!
do!not!support!applications!using!SCSI‐3!disk!reservations.!How ev er,!all!popular!
clustering!software!(including!MSCS!and!VCS)!currently!uses!SCSI‐2!reservations.
! You!may!cluster!only!two!nodes.
! You!cannot!use!VMotion!with!clustered!virtual!machines.
Two Node Cluster with Microsoft Cluster Service on a Single
ESX Server Machine
This!procedure!creates!a!two‐node!cluster!using!Microsoft!Cluster!Service!on!a!single!
ESX!Server!machine!and!uses!the!following:
! Portsaid!=!host!name!of!node!1!of!the!cluster
! Kena!=!host!name!of!node!2!of!the!cluster
! Arish!=!public!host!name!of!the!cluster
! sharedfs!=!VMFS!volume!label!of!the!shared!storage
! vms!=!VMFS!volume!label!of!the!local!storage
Creating the First Node’s Base Virtual Machine
To!ease!the!task!of!creating!each!node!in!the!cluster,!create!a!base!virtual!machine!and!
clone!that!virtual!machine!for!each!node!in!the!cluster.!Create!the!virtual!machine,!
configure!the!virtual!hardware,!and!install!the!operating!system.!After!those!tasks!have!
all!been!completed,!the!virtual!machine!can
!be!cloned!easily!to!create!each!node!in!the!
cluster.
NOTE Virtual!disks!stored!on!vms!and!sharedfs!can!also!be!stored!on!the!same!partition.!In!
this!case,!use!the!partition!label!on!which!these!virtual!disks!reside.