Monitoring VMware ESX servers

 

All the discovered hosts and VMs are mapped under 'Virtualization' tab in the inventory section. Click on Virtualization to access the dashboard page, which provides a quick glance of your critical resources such as CPU, Memory, Network & Disk that are under pressure. Though ideal resource utilization is the key benefit we get from virtualization, it can lead to other problems because it is shared among the servers. Even if a single system has a resource crunch, it hugely affects the performance of the other systems running on the same host. Quickly identifying and fixing the resource utilization problems is therefore vital for a business to run smooth.
 

OpManager Plus shows the top hosts and VMs by resource utilization and the recent alarms raised. Click on the host or the VM name to see its snapshot page. The Virtual Devices Dashboard page refreshes automatically every 5 minutes to reflect the latest collected statistics.
 

Listed below are the various types of top resource utilization widgets to quickly identify any over utilized resource. It gives a quick glance on systems which are the top consumers of CPU, Memory, Network, Disk I/O and Disk Space.
 

Top VMs Top Hosts
  1. Top CPU Consumers
  2. Top CPU Ready Consumers
  3. Top Memory Consumers
  4. Top Swap Memory Consumers
  5. Top Disk I/O Consumers
  6. Top Network Consumers
  1. Top CPU Consumers
  2. Top Memory Consumers
  3. Top Swap Memory Consumers
  4. Top Network Consumers
  5. Top Disk I/O Consumers
  6. Top Disk Space Consumers


Snapshot page of a Host

Snapshot page of  Host / VM provides a summary of the current statistics, recent alarms, configuration details such as VMs inventory, resource allocation for each VM, Network Adapters, HBA list and Datastores.

Host Details and Performance Charts

In this section you can find the Host details like IP Address, Vendor of Host, CPU Cores etc. on the left side. The right side gives a quick glance on performance data like CPU Utilization, Memory Utilization, Disk I/O Usage etc., collected during the last poll. These values are collected at an interval of 5 minutes. These data help you determine the current performance of the Host.


Host Heath At-a-Glance

This section provides the last one hour performance chart of the Host. You can view the reports of last 7 or 30 days. Click on 7 or 30 link available on the top right corner to view the last 7 or 30 days performance report respectively.


VM List & Resource Allocation Details

This section lists all the VMs on the Host, resources allotted to each VM, network adapters, storage adapters and datastore details. Any change in the inventory, gets updated automatically. You can also find the monitors that are enabled on the Host and notification profiles associated to it. Click on the respective tab to view its details.


Click on the VM name to see its snapshot page. The snapshot page of the VM is similar to that of any Windows or Linux Server's snapshot page.

 

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