Author: NetworkAdminKB.com
Created: 2011-04-12
Modified: 2011-11-06
Issue:
ESXi 4.1 is slow to boot, taking 30 or more minutes to come up or ESXi appears to hang on boot.
Cause:
There is a SCSI reservation issue with the SCSI protocol communicating with certain types of SAN Storage Arrays when ESXi 4.1 is configured to share LUN in a vSphere cluster.
Solution:
Set the SCSI.CRTimeoutDuringBoot value to 1 as shown below.
1) Open the vSphere Client
2) Select Inventory
3) Select the Host
4) Click the Configuration tab
5) Click Advanced Settings
6) Select SCSI.
a. Change the Scsi.CRTimeoutDuringBoot value to 1.
More Information:
This is mentioned as an item in the ESXi 4.1 Release Notes
Article ID: 442, Created On: 11/6/2011, Modified: 11/6/2011