You can format a USB flash drive to boot the ESXi installation or upgrade.
These instructions assume that you are performing the procedure on a Linux machine and that the USB
flash drive is detected by the operating system as /dev/sdb.
NOTE The ks file containing the installation script cannot be located on the same USB flash drive that you are using to boot the installation or upgrade.
From the VMware Web site, download the ESXi ISO image VMware-VMvisor-Installer-5.x.x-
XXXXXX.x86_64.iso, including the file isolinux.cfg, where 5.x.x is the version of ESXi you are
installing, and XXXXXX is the build number of the installer ISO image.
Verify that the machine on which you are performing this procedure has access to syslinux version 3.86.This procedure requires syslinux version 3.86.
Procedure
1 If your USB flash drive is not detected as /dev/sdb, or you are not sure how your USB flash drive is
detected, determine how it is detected.
a In a terminal window, run the following command.
tail -f /var/log/messages
This command displays current log messages in the terminal window.
b Plug in your USB flash drive.
The terminal window displays several messages identifying the USB flash drive, in a format similar
to the following message.
Oct 25 13:25:23 ubuntu kernel: [ 712.447080] sd 3:0:0:0: [sdb] Attached SCSI removable
disk
In this example, "[sdb]" identifies the USB device. If your device is identified differently, use that
identification, without the brackets, in place of sdb, in this procedure.
2 Create a partition table on the USB flash device.
/sbin/fdisk /dev/sdb
a Type d to delete partitions until they are all deleted.
b Type n to create primary partition 1 that extends over the entire disk.
c Type t to set the type to an appropriate setting for the FAT32 file system, such as c.
d Type a to set the active flag on partition 1.
e Type p to print the partition table.
The result should be similar to the following text:
Disk /dev/sdb: 2004 MB, 2004877312 bytes
255 heads, 63 sectors/track, 243 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdb1 1 243 1951866 c W95 FAT32 (LBA)
f Type w to write the partition table and quit.
3 Format the USB flash drive with the Fat32 file system.
/sbin/mkfs.vfat -F 32 -n USB /dev/sdb1
4 Run the following commands.
/path_to_syslinux-3.86_directory/syslinux-3.86/bin/syslinux /dev/sdb1
cat /path_to_syslinux-3.86_directory/syslinux-3.86/usr/share/syslinux/mbr.bin > /dev/sdb
5 Mount the USB flash drive.
mount /dev/sdb1 /usbdisk
6 Mount the ESXi installer ISO image.
mount -o loop VMware-VMvisor-Installer-5.x.x-XXXXXX.x86_64.iso /esxi_cdrom
7 Copy the contents of the ISO image to /usbdisk.
cp -r /esxi_cdrom/* /usbdisk
8 Rename the isolinux.cfg file to syslinux.cfg.
mv /usbdisk/isolinux.cfg /usbdisk/syslinux.cfg
9 In the file /usbdisk/syslinux.cfg, change the line APPEND -c boot.cfg to APPEND -c boot.cfg -p 1.
10 Unmount the USB flash drive.
umount /usbdisk
11 Unmount the installer ISO image.
umount /esxi_cdrom
The USB flash drive can now boot the ESXi installer.
Create a USB Flash Drive to Store the ESXi Installation Script or Upgrade Script
You can use a USB flash drive to store the ESXi installation script or upgrade script that is used during
scripted installation or upgrade of ESXi.
When multiple USB flash drives are present on the installation machine, the installation software searches
for the installation or upgrade script on all attached USB flash drives.
The instructions in this procedure assume that the USB flash drive is detected as /dev/sdb.
NOTE The ks file containing the installation or upgrade script cannot be located on the same USB flash drive that you are using to boot the installation or upgrade.
Prerequisites
Linux machine
ESXi installation or upgrade script, the ks.cfg kickstart file
USB flash drive
Procedure
1 Attach the USB flash drive to a Linux machine that has access to the installation or upgrade script.
2 Create a partition table.
/sbin/fdisk /dev/sdb
a Type d to delete partitions until they are all deleted.
b Type n to create primary partition 1 that extends over the entire disk.
c Type t to set the type to an appropriate setting for the FAT32 file system, such as c.
d Type p to print the partition table.
The result should be similar to the following text:
Disk /dev/sdb: 2004 MB, 2004877312 bytes
255 heads, 63 sectors/track, 243 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdb1 1 243 1951866 c W95 FAT32 (LBA)
e Type w to write the partition table and quit.
3 Format the USB flash drive with the Fat32 file system.
/sbin/mkfs.vfat -F 32 -n USB /dev/sdb1
4 Mount the USB flash drive.
mount /dev/sdb1 /usbdisk
5 Copy the ESXi installation script to the USB flash drive.
cp ks.cfg /usbdisk
6 Unmount the USB flash drive.
The USB flash drive contains the installation or upgrade script for ESXi.
These instructions assume that you are performing the procedure on a Linux machine and that the USB
flash drive is detected by the operating system as /dev/sdb.
NOTE The ks file containing the installation script cannot be located on the same USB flash drive that you are using to boot the installation or upgrade.
From the VMware Web site, download the ESXi ISO image VMware-VMvisor-Installer-5.x.x-
XXXXXX.x86_64.iso, including the file isolinux.cfg, where 5.x.x is the version of ESXi you are
installing, and XXXXXX is the build number of the installer ISO image.
Verify that the machine on which you are performing this procedure has access to syslinux version 3.86.This procedure requires syslinux version 3.86.
Procedure
1 If your USB flash drive is not detected as /dev/sdb, or you are not sure how your USB flash drive is
detected, determine how it is detected.
a In a terminal window, run the following command.
tail -f /var/log/messages
This command displays current log messages in the terminal window.
b Plug in your USB flash drive.
The terminal window displays several messages identifying the USB flash drive, in a format similar
to the following message.
Oct 25 13:25:23 ubuntu kernel: [ 712.447080] sd 3:0:0:0: [sdb] Attached SCSI removable
disk
In this example, "[sdb]" identifies the USB device. If your device is identified differently, use that
identification, without the brackets, in place of sdb, in this procedure.
2 Create a partition table on the USB flash device.
/sbin/fdisk /dev/sdb
a Type d to delete partitions until they are all deleted.
b Type n to create primary partition 1 that extends over the entire disk.
c Type t to set the type to an appropriate setting for the FAT32 file system, such as c.
d Type a to set the active flag on partition 1.
e Type p to print the partition table.
The result should be similar to the following text:
Disk /dev/sdb: 2004 MB, 2004877312 bytes
255 heads, 63 sectors/track, 243 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdb1 1 243 1951866 c W95 FAT32 (LBA)
f Type w to write the partition table and quit.
3 Format the USB flash drive with the Fat32 file system.
/sbin/mkfs.vfat -F 32 -n USB /dev/sdb1
4 Run the following commands.
/path_to_syslinux-3.86_directory/syslinux-3.86/bin/syslinux /dev/sdb1
cat /path_to_syslinux-3.86_directory/syslinux-3.86/usr/share/syslinux/mbr.bin > /dev/sdb
5 Mount the USB flash drive.
mount /dev/sdb1 /usbdisk
6 Mount the ESXi installer ISO image.
mount -o loop VMware-VMvisor-Installer-5.x.x-XXXXXX.x86_64.iso /esxi_cdrom
7 Copy the contents of the ISO image to /usbdisk.
cp -r /esxi_cdrom/* /usbdisk
8 Rename the isolinux.cfg file to syslinux.cfg.
mv /usbdisk/isolinux.cfg /usbdisk/syslinux.cfg
9 In the file /usbdisk/syslinux.cfg, change the line APPEND -c boot.cfg to APPEND -c boot.cfg -p 1.
10 Unmount the USB flash drive.
umount /usbdisk
11 Unmount the installer ISO image.
umount /esxi_cdrom
The USB flash drive can now boot the ESXi installer.
Create a USB Flash Drive to Store the ESXi Installation Script or Upgrade Script
You can use a USB flash drive to store the ESXi installation script or upgrade script that is used during
scripted installation or upgrade of ESXi.
When multiple USB flash drives are present on the installation machine, the installation software searches
for the installation or upgrade script on all attached USB flash drives.
The instructions in this procedure assume that the USB flash drive is detected as /dev/sdb.
NOTE The ks file containing the installation or upgrade script cannot be located on the same USB flash drive that you are using to boot the installation or upgrade.
Prerequisites
Linux machine
ESXi installation or upgrade script, the ks.cfg kickstart file
USB flash drive
Procedure
1 Attach the USB flash drive to a Linux machine that has access to the installation or upgrade script.
2 Create a partition table.
/sbin/fdisk /dev/sdb
a Type d to delete partitions until they are all deleted.
b Type n to create primary partition 1 that extends over the entire disk.
c Type t to set the type to an appropriate setting for the FAT32 file system, such as c.
d Type p to print the partition table.
The result should be similar to the following text:
Disk /dev/sdb: 2004 MB, 2004877312 bytes
255 heads, 63 sectors/track, 243 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdb1 1 243 1951866 c W95 FAT32 (LBA)
e Type w to write the partition table and quit.
3 Format the USB flash drive with the Fat32 file system.
/sbin/mkfs.vfat -F 32 -n USB /dev/sdb1
4 Mount the USB flash drive.
mount /dev/sdb1 /usbdisk
5 Copy the ESXi installation script to the USB flash drive.
cp ks.cfg /usbdisk
6 Unmount the USB flash drive.
The USB flash drive contains the installation or upgrade script for ESXi.
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