Information Technology Reference
In-Depth Information
Approving hypervisor hosts
We installed and configured RHEV hypervisor hosts and it's shown as waiting for approval
under the
Hosts
tab of manager admin portal, as discussed in the
Configuring the Hypervi-
sor
section of
Chapter 2
,
Installing RHEV Manager and Hypervisor Hosts
. RHEV hypervi-
sor is specifically built for the hypervisor platform and it will come for approval automatic-
ally. Now we need to approve the host. You can also configure the hypervisor to add into
specific cluster of your data center in RHEV from the
Host
tab manually.
To approve a host, you have to perform the following steps:
1. Navigate to the
Host
tab, select the host, and click on
Approve
.
2. In the
Edit and Approve Host
screen, under the
General
section, select the data
center and the host cluster on which this hypervisor host is to be a part of, with
some optional comments.
Approving hypervisor host
3. Next, move to the
Power Management
section and select
Enable Power Man-
agement
and the type of
Out of Band
(
OOB
) power management your hardware
ships with, and fill in the required server remote management credentials.
This is mandatory if you are planning to enable high availability of a virtual ma-
chine on your environment. For example, say you have two hypervisor hosts run-
ning on a cluster. If any of the hosts goes into a nonresponsive state due to some
hardware failure, the other active hypervisor will try to recover the host by per-
forming a fence operation (hard reboot) using the server remote management cre-
dentials that we have configured, and restart the virtual machines marked
Highly
Available
on the other active hosts in the cluster.
4. Then, move to the
SPM
tab.
Storage Pool Manager
(
SPM
) is a role assigned to
one of the hosts in a data center, which will manage and control access to the stor-
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