VMware VS4-ENT-PL-A Setup Guide - Page 162

Subsequent Boots Without Updates, Reprovision Hosts with Simple Reboot Operations

Page 162 highlights

vSphere Installation and Setup Figure 7‑2. Auto Deploy Installation, First Boot Auto Deploy first boot PXE host sends hardware & network information to Auto Deploy server Auto Deploy server streams host & image profiles to the host host boots using image profile host assigned to vCenter Server, which stores host & image profiles Subsequent Boots Without Updates For hosts that are provisioned with Auto Deploy and managed by a vCenter Server system, subsequent boots can become completely automatic. 1 The administrator reboots the host. 2 As the host boots up, Auto Deploy provisions the host with its image profile and host profile. 3 Virtual machines are brought up or migrated to the host based on the settings of the host. n Standalone host. Virtual machines are powered on according to autostart rules defined on the host. n DRS cluster host. Virtual machines that were successfully migrated to other hosts stay there. Virtual machines for which no host had enough resources are registered to the rebooted host. If the vCenter Server system is unavailable, the host contacts the Auto Deploy and is provisioned with an image profile. The host continues to contact the Auto Deploy server until Auto Deploy reconnects to the vCenter Server system. Auto Deploy cannot set up vSphere distributed switches if vCenter Server is unavailable, and virtual machines are assigned to hosts only if they participate in an HA cluster. Until the host is reconnected to vCenter Server and the host profile is applied, the switch cannot be created. Because the host is in maintenance mode, virtual machines cannot start. See "Reprovision Hosts with Simple Reboot Operations," on page 178. Any hosts that are set up to require user input are placed in maintenance mode. See "Update the Host Customization in the vSphere Web Client," on page 180. 162 VMware, Inc.

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Figure 7
2.
Auto Deploy Installation, First Boot
Auto Deploy first boot
host sends
hardware & network
information to
Auto Deploy server
Auto Deploy
server streams
host & image
profiles to the host
host boots
using image
profile
host assigned
to vCenter Server,
which stores host &
image profiles
PXE
Subsequent Boots Without Updates
For hosts that are provisioned with Auto Deploy and managed by a vCenter Server system, subsequent
boots can become completely automatic.
1
The administrator reboots the host.
2
As the host boots up, Auto Deploy provisions the host with its image profile and host profile.
3
Virtual machines are brought up or migrated to the host based on the settings of the host.
n
Standalone host. Virtual machines are powered on according to autostart rules defined on the host.
n
DRS cluster host. Virtual machines that were successfully migrated to other hosts stay there.
Virtual machines for which no host had enough resources are registered to the rebooted host.
If the vCenter Server system is unavailable, the host contacts the Auto Deploy and is provisioned with an
image profile. The host continues to contact the Auto Deploy server until Auto Deploy reconnects to the
vCenter Server system.
Auto Deploy cannot set up vSphere distributed switches if vCenter Server is unavailable, and virtual
machines are assigned to hosts only if they participate in an HA cluster. Until the host is reconnected to
vCenter Server and the host profile is applied, the switch cannot be created. Because the host is in
maintenance mode, virtual machines cannot start. See
“Reprovision Hosts with Simple Reboot Operations,”
on page 178.
Any hosts that are set up to require user input are placed in maintenance mode. See
“Update the Host
Customization in the vSphere Web Client,”
on page 180.
vSphere Installation and Setup
162
VMware, Inc.