Installation guide

Option Details
Enable parallel remediation for the
hosts in the selected clusters.
Remediate hosts in clusters in a parallel manner. If the setting is not selected,
Update Manager remediates the hosts in a cluster sequentially.
By default, Update Manager continuously evaluates the maximum number
of hosts it can remediate concurrently without disrupting DRS settings. You
can limit the number of concurrently remediated hosts to a specific number.
NOTE Update Manager remediates concurrently only the hosts on which
virtual machines are powered off or suspended. You can choose to power
off or suspend virtual machines from the Power State menu in the
Maintenance Mode Settings pane on the Host Remediation Options page.
Migrate powered off and suspended
virtual machines to other hosts in the
cluster, if a host must enter
maintenance mode.
Update Manager migrates the suspended and powered off virtual machines
from hosts that must enter maintenance mode to other hosts in the cluster.
You can choose to power off or suspend virtual machines before remediation
in the Maintenance Mode Settings pane.
15 (Optional) Generate a cluster remediation options report by clicking Generate Report on the Cluster
Remediation Options page and click Next.
16 On the Ready to Complete page, click Finish.
Remediate Hosts Against Baseline Groups
You can remediate hosts against attached groups of upgrade, patch, and extension baselines. Baseline groups
might contain multiple patch and extension baselines, or an upgrade baseline combined with multiple patch
and extension baselines.
You can perform an orchestrated upgrade by using a host baseline group. The upgrade baseline in the baseline
group runs first, followed by patch and extension baselines.
NOTE Alternatively, you can upgrade hosts by using a single upgrade baseline. See “Remediate Hosts Against
an Upgrade Baseline,” on page 103.
Prerequisites
Ensure that at least one baseline group is attached to the host.
Connect the vSphere Client to a vCenter Server system with which Update Manager is registered. If your
vCenter Server system is a part of a connected group in vCenter Linked Mode, specify the Update Manager
instance by selecting the name of the corresponding vCenter Server system in the navigation bar.
Review any scan messages in the Upgrade Details window for potential problems with hardware, third-party
software, and configuration issues that might prevent a successful upgrade or migration to ESXi 5.0.
Procedure
1 On the Home page of the vSphere Client, select Hosts and Clusters and click the Update Manager tab.
2 Right-click the inventory object you want to remediate and select Remediate.
If you select a container object, all hosts under the selected object are remediated.
3 On the Remediation Selection page of the Remediate wizard, select the baseline group and baselines to
apply.
4 (Optional) Select the hosts that you want to remediate and click Next.
If you have chosen to remediate a single host and not a container object, the host is selected by default.
5 On the End User License Agreement page, accept the terms and click Next.
Chapter 6 Upgrading and Migrating Your Hosts
VMware, Inc. 105