Dell OpenManage Integration for VMware vCenter 2.1 Instrukcja Użytkownika Pobierz pdf (Strona 58)

Post only Virtualization-Related Critical and Warning

Events

Post Virtualization related events received from hosts into

related vCenters. Virtualization related events are those

that Dell has selected to be most critical to hosts running

virtual machines.

When you configure your events and alarms, you can enable them. When enabled, critical hardware alarms can trigger

the OpenManage Integration for VMware vCenter to put the host system into a maintenance mode, and in certain cases,

migrate the virtual machines to another host system. The OpenManage Integration for VMware vCenter forwards events

received from managed Dell hosts, and creates alarms for those events. Use these alarms to trigger actions from

vCenter, like a reboot, maintenance mode, or migrate. For example, when a dual power supply fails and an alarm is

created, the resulting action is to migrate the virtual machine on that machine to a new one.

A host enters or leaves maintenance mode only as when you request it. If the host is in a cluster when it enters

maintenance mode, you are given the option to evacuate powered-off virtual machines. If this option is selected, each

powered-off virtual machine is migrated to another host, unless there is no compatible host available for the virtual

machine in the cluster. While in maintenance mode, the host does not allow deployment or

power-on

of a virtual

machine. Virtual machines that are running on a host entering maintenance mode need to be either migrated to another

host or shut down, either manually or automatically by VMware Distributed Resource Scheduling (DRS).

Any hosts outside of clusters, or in clusters without VMware Distributed Resource Scheduling (DRS) enabled, could see

virtual machines being shut down due to a critical event. DRS continuously monitors usage across a resource pool and

intelligently allocates available resources among virtual machines according to business needs. Use clusters with DRS

configured in conjunction with Dell Alarms to make sure that virtual machines are automatically migrated on critical

hardware events. Listed in the details of the on screen message are any clusters on this vCenter instance that may be

impacted. Confirm that the clusters are impacted before enabling Events and Alarms.

If you ever need to restore the default alarm settings, you can do so with the Reset Default Alarm button. This button is a

convenience to restore the default alarm configuration without uninstalling and reinstalling the product. If any Dell alarm

configurations have been changed since install, those changes are reverted using this button.

NOTE: The OpenManage Integration for VMware vCenter pre-selects the virtualization-related events that are the

essential to hosts successfully running virtual machines. Dell host alarms are disabled by default. If Dell alarms

are enabled, the clusters should use the VMware Distributed Resource Scheduler to make sure that the virtual

machines that send critical events are automatically migrated.

Understanding Events And Alarms for Chassis

Events and alarms corresponding to a chassis are shown only at the vCenter level. Events and alarms settings that are

done for hosts at every vCenter is also applicable at chassis level.. You can edit events and alarms settings from the

OpenManage Integration for VMware vCenter within Manage → Settings tab. From here you can select the Event

Posting Level, enable Alarms for Dell Hosts and Chassis, or Restore Default Alarms. You can configure events and

alarms for each vCenter or all at once for all registered vCenters.

NOTE: To receive Dell events, you must enable both alarms and events.

Viewing Chassis Events

In the left pane select vCenter, click on vCenter Servers

Click on a specific vCenter.

On the Monitor tab, click Events.

To view more event details, select a specific event.

Viewing Chassis Alarms

In the left pane select vCenter, click on vCenter Servers

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