Term
| Identify the cause and solution: Host boots with a different ESXi image, host profile or folder location and is specified |
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Definition
Cause: After the host has been added to vCenter, the boot config is determined by vCenter. The vCenter is the application that associates the image profile, host profile and folder location with the hosts.
Solution: Use the Test-deployRulesetCompliance and Repari-DeployRulesetCompliance PowerCli commands to re-evaluate the files and to associate the correct profiles with the host.
Source: blog.mwpreston.net |
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Term
| Identify the cause and solution: Host is not being redirected to the Auto Deploy Server after loading gPXE |
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Definition
Cause – the tramp file that is included in the TFTP zip file has the wrong IP for the server.
Solution – Fix the tramp file.
Source: blog.mwpreston.net |
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Term
| Identify the cause and solution: You receive a non stateless-ready package error when you try and write or modify values to an image profile. |
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Definition
Cause – Each VIB in a package has a stateless-ready flag.
Solution – remove the VIBS that are not stateless-ready.
Source: blog.mwpreston.net |
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Term
| Identify the cause and solution: Host with built in USB is not sending coredumps to the local disk. |
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Definition
Solution – Install the coredump collector on a system of your choice and use the esxcli to configure the host to use ESXi Dump Collector and disable the Local coredump partitions.
Source: blog.mwpreston.net |
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Term
| Identify the cause and solution: vmware-fdm warning when you assign the profile to a host |
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Definition
Cause – image does not include the fdm HA packages, which is required
Solution – Can ignore if not using HA, if you are, you will need to use the powercli command (Add-esxsoftware depot and add-esxsoftwarepackage) to add the vmware-fdm packages.
Source: blog.mwpreston.net |
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Term
| Identify the cause and solution: Host reboots after 5 minutes |
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Definition
Cause – no image profile is assigned to this host
Solution – Assign an image to the host. Either temporarily (apply-esximageprofile) or permanently (new-deployrule, add-deployrule, and test-deployrulecompliance).
Source: blog.mwpreston.net |
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Term
| What hardware components does the ESX host monitoring tool allow you to monitor? |
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Definition
| CPU, Memory, Fans, Temperature, Voltage, Power, Network, Storage, Battery, Cable, Software components, and watch dog |
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Term
| How can you view host system health information while connected to the host? |
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Definition
| The health status section on the configuration tab will show the status of the hardware within the host. Generally if everything is fine, there will be a green icon, yellow means performance is degraded, and red means a failure. A blank status means ESX was unable to gather data |
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Term
| How can you view the hardware status data from vCenter? |
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Definition
| There is a Hardware Status tab in vCenter. Note if you do not see this tab, make sure that the hardware status plug in is enabled. Hardware Status plug in is installed by default with vCenter Server Installation |
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Term
| Identify 3 filters available on the Hardware Status tab in vCenter |
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Definition
1. Sensors - displays hardware sensors in a tree view
2. Alerts and warnings - shows only alerts and warnings
3. System Event Log - show the system event log. This can be cleared by clicking 'Reset Event Log' |
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Term
| Identify TS procedures for Hardware Status tab it'self |
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Definition
1. If the hardware status tab is not visible - enable the plug in
2. If the hardware tab displays remote name that could not be resolved - fix the DNS between the client and the vCenter server or edit the extensions.xml file and add the current vCenter Server name and IP
3. If the hardware tab displays a security alert - enable the security setting 'Allow scripting of Internet Explorer We Browser Control' in the intranet zone (since HW status is displayed through IE) |
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Term
| How do you export diagnostic information for ESXi? (Name 2 ways) |
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Definition
1. Select the host/cluster/datacenter in the inventory that you want the information bundle for. Select File->Export->System logs. Check or uncheck hosts you would like or not. Select the components and whether you want performance data.
2. Click Administration -> Export System Logs. Select the hosts you wish to export and/or vCenter. Select whether to gather performance data |
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