VMware Lab Cleaning

Sometimes a lab environment isn’t perfect and the vSphere Client reminds you with warning icons on your hosts. Here’s two common warnings and how to get rid of them in a lab running vSphere 5.1.

 

I.       Host <xxx> currently has no management network redundancy.

 

To suppress this message on ESXi/ESX hosts in the VMware High Availability (HA) cluster, or if the warning appears for a host already configured in a cluster, set the VMware HA advanced option das.ignoreRedundantNetWarning to true and reconfigure VMware HA on that host. This advanced option is available in VMware Virtual Center 2.5 Update 3 and later.

Note: If the warning continues to appear, disable and re-enable VMware High Availability in the cluster.

To set das.ignoreRedundantNetWarning to true:

  1. From the VMware Infrastructure Client, right-click on the cluster and click Edit Settings.
  2. Select vSphere HA and click Advanced Options.
  3. In the Options column, enter das.ignoreRedundantNetWarning
  4. In the Value column, enter true.Note: Steps 3 and 4 create a new option.
  5. Click OK.
  6. Right-click the host and click Reconfigure for vSphere HA. This reconfigures HA.

II.     System logs on host x.x.x.x are stored on non-persistent storage

VMware doesn’t like log files being stored in volatile memory as they’ll get erased on a reboot. To remove this warning, create a folder on your SAN storage and map the log files to the folder. I use the vSphere Client to do this, although you can use the web interface also.

From each host, navigate to Configuration–>Advanced Settings:
logfiles

Type in your folder path in the highlighted field. Ignore the example file path VMware gives you because the syntax is wrong. Thee correct syntax is: [datastorename]/ foldername

There is a space between the slash and the folder name. If the syntax is wrong you’ll see an error message and get kicked out of the Advanced Settings window.

Right click each host and choose Reconfigure for HA if the warnings don’t go away immediately.

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Categories: The Lab

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