
Chapter 11. Performance considerations for VMware 437
ESX/ESXi Server exclusively. These SCSI reservations usually are used for administrative
tasks that require a metadata update only.
To avoid SCSI reservation conflicts in a productive environment with several ESX/ESXi
Servers that access shared LUNs, it might be helpful to perform those administrative tasks at
off-peak hours. If this approach is not possible, perform the administrative tasks from an
ESX/ESXi Server that also hosts I/O-intensive virtual machines, which are less affected
because the SCSI reservation is set on the SCSI initiator level, which means for the complete
ESX/ESXi Ser ...