vsphere-esxi-vcenter-server-55-storage-guide

Chapter 13 Booting from iSCSI SAN2 Use the BIOS to set the host to boot from the CD/DVD-ROM drive first.3 During server POST, press Crtl+q to enter the QLogic iSCSI HBA configuration menu.4 Select the I/O port to configure.By default, the Adapter Boot mode is set to Disable.5 Configure the HBA.abFrom the Fast!UTIL Options menu, select Configuration Settings > Host Adapter Settings.Configure the following settings for your host adapter: initiator IP address, subnet mask, gateway,initiator iSCSI name, and CHAP (if required).6 Configure iSCSI settings.See “Configure iSCSI Boot Settings,” on page 109.7 Save your changes and restart the system.Configure iSCSI Boot SettingsWhen setting up your ESXi host to boot from iSCSI, you need to configure iSCSI boot settings.Procedure1 From the Fast!UTIL Options menu, select Configuration Settings > iSCSI Boot Settings.2 Before you can set SendTargets, set Adapter Boot mode to Manual.3 Select Primary Boot Device Settings.abcEnter the discovery Target IP and Target Port.You can leave the Boot LUN and iSCSI Name fields blank if only one iSCSI target and one LUNare at the specified address to boot from. Otherwise, you must specify these fields to ensure thatyou do not boot from a volume for some other system. After the target storage system is reached,these fields will be populated after a rescan.Save changes.4 From the iSCSI Boot Settings menu, select the primary boot device. An auto rescan of the HBA is madeto find new target LUNS.5 Select the iSCSI target.NOTE If more then one LUN exists within the target, you can choose a specific LUN ID by pressingEnter after you locate the iSCSI device.6 Return to the Primary Boot Device Setting menu. After the rescan, the Boot LUNand iSCSI Namefields are populated. Change the value of Boot LUN to the desired LUN ID.iBFT iSCSI Boot OverviewESXi hosts can boot from an iSCSI SAN using the software or dependent hardware iSCSI adapters andnetwork adapters.To deploy ESXi and boot from the iSCSI SAN, the host must have an iSCSI boot capable network adapterthat supports the iSCSI Boot Firmware Table (iBFT) format. The iBFT is a method of communicatingparameters about the iSCSI boot device to an operating system.Before installing ESXi and booting from the iSCSI SAN, configure the networking and iSCSI bootparameters on the network adapter and enable the adapter for the iSCSI boot. Because configuring thenetwork adapter is vendor specific, review your vendor documentation for instructions.VMware, Inc. 109