Specifications

VMware, Inc. 297
Chapter 10 Configuration for Clustering
Table 10‐1!summarizes!additional,!important!points!for!using!Microsoft!Clustering!
Software!with!ESX!Server.
Table 10-1. MSCS Configuration Considerations
Area Component Single-Host Clustering Multi-Host Clustering
Non‐clustered!
disks
Virtual!machine!
and!swap!
(paging)!file
! Must!be!on!local!storage,!not!on!a!SAN.
! Must!be!a!non‐clustered!disk.
Non‐clustered!
virtual!disks!
(.vmdk)
! Must!reside!on!a!public!VMFS!volume.
! Must!use!VMFS!label!notation.
! Virtual!adapter!must!be!set!to!shared mode = none.
Non‐clustered!
raw!device!
(disk)!mapping
! Revision!must!be!ESX!2.5.2!or!higher.
! Must!reside!on!a!public!VMFS!volume.
! Must!use!VMFS!label!notation.
! Disk!must!be!in!persistent!mode.
! DeviceType!must!be!scsi-nonpassthru-rdm!or
scsi-passthru-rdm.
Non‐clustered!
raw!device!
(disk)
Use!raw!device!mapping!instead,!if!ESX!Server!2.5.2!and!higher.
Clustered
disks
Clustered!
virtual!disks!
(.vmdk)
! Must!use!VMFS!label!
notation.
! Virtual!adapter!must!be!in!
shared mode = virtual.
!
LUN!must!host!only!one!
VMFS!file!system.
! VMFS!volume!must!be!
dedicated!to!the!cluster.
! Must!reside!on!public!VMFS!
volume.
! Must!have!been!created!with!
vmkfstools!‐z.
! Must!use!the!
vmhba<H>:<T><L>:<P>.!
notation,!not!the!VMFS!label!
notation.
! Virtual!adapter!must!be!set!to!
shared mode = physical.
! Must!reside!on!its!own!physical!
LUN.
! LUN!can!host!one!VMFS!file!
system.
! Shared!virtual!disk!must!be!the!
only!file!on!this!VMFS!volume.
! VMFS!volume!must!be!in!
shared!mode.
! VMFS!volume!can!have!one!
physical!extent.