Specifications

VMware, Inc. 299
Chapter 10 Configuration for Clustering
Running Microsoft Cluster Service
Microsoft!Cluster!Service!should!operate!normally!in!the!virtual!machines!after!it!is!
installed.
ESX!Server!
Configuration
/proc/vmware/config/Disk/UseLunReset!must!be!set!to!1.
/proc/vmware/config/Disk/UseDeviceReset!must!be!set!to!0.
Swap!partitions!must!be!local,!not!on!a!SAN.
RDM!LUNs!cannot!be!used!with!ESX Server!versions!earlier!than!2.5.2.
QLogic!and!Emulex!HBAs!in!a!clustered!environment!must!be!dedicated!to!VMkernel.
A!separate!virtual!adapter!must!be
!used!for!clustered!disks.
Qlogic Driver!revision!should!be!7.0.4!on!ESX Server!2.5.1!or!later,!version!6.07!on!ESX!Server!2.5,!
and!6.04!on!earlier!revisions!of!ESX Server.!
BIOS!settings:
! Enable!Target!Reset!=!Yes
! Full!LIP!Login!=!Yes
! Full!LIP!Reset!=!No
Emulex Driver!revision!is!2.01g!on!ESX!Server!and!4.20q!on!earlier!revisions.
Microsoft!
Windows
! Operating!system!must!be!Windows!2000!or!Windows!2003.
! Each!cluster!is!limited!to!two!nodes.
! Use!the!VMware!Buslogic!driver!rather!than!the!native!Windows!driver!if!you!use!
Buslogic!virtual!adapters.
! Make!sure!the!I/O!timeout!is!60!seconds!or!more:
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Disk\TimeOutV
alue
! Cluster!Service!must!restart!automatically!on!failure!(for!first,!second,!and!
subsequent!times)
Table 10-1. MSCS Configuration Considerations (Continued)
Area Component Single-Host Clustering Multi-Host Clustering
NOTE Some!disk!errors!are!recorded!in!the!Windows!event!log!in!normal!operation!and!have!
a!format!similar!to
The driver detected a controller error on
\Device\Scsi\BusLogic3
They!should!be!reported!periodically!only!on!the!passive!node!of!the!cluster!and!should!
also!be!reported!when!the!passive!node!is!taking!over!during!a!failover.!The!errors!are!
reported!
because!the!active!node!of!the!cluster!has!reserved!the!shared!virtual!disk.!The!
passive!node!periodically!probes!the!shared!disk!and!receives!a!SCSI!reservation!
conflict!error.