Esx Problem Hyperthreading Unmitigated

数据中心内近期出现了 “配置问题 XXX esx.problem.hyperthreading.unmitigated.formatOnHost not found XXX” 的错误提示。排错，数据中心内正常使用vmware vsphere 5.5环境，BUILD 5.5.0,8934887的设备无此提示。. VCenter が6.0 U3hまたは6.5 U2c以上にUpgradeされており、且つESXiホストに対しCVE-2018-3646の対策(ESXi SCA Scheduler:ESXi サイドチャネル対応スケジューラ)が有効化されていない環境で発生します。.

After upgrading my Apple Mac Mini to ESXi 5.5 I noticed the following warning message being displayed after joining my ESXi host to my vCenter Server:

'Quick stats on mini is not up-to-date'

Esx.problem.hyperthreading.unmitigated Disable Message

I have seen this warning message in the past and it usually goes away within a few minutes of connecting to a vCenter Server. Chokher poloke eto kache mp3 download. However, this time it did not go away and as you can see from the screenshot, I have had my ESXi host up for 4 days now and the message is still there.

UPDATE (9/30) - This looks to be a known issue in vSphere 5.5 and there is a permanent fix which has been documented in the following VMware KB 2061008. Restarting the management service will not prevent the warning message from coming again, please refer to the KB for the solution.

I do not know about you, but I like to have a clean environment and I get annoyed when I see warning/error messages in the UI. From what I can tell, vCenter Server was able to collect the 'quick stats' from the ESXi host but perhaps there was a communication problem at some point or just a glitch?

In any case, is is pretty easy to fix the problem, you just need to restart the management service on the ESXi host and this will force a refresh of the stats. You have three ways of doing this:

  1. Restart management service using DCUI connecting to your ESXi console
  2. Restart management service using DCUI via command-line
  3. Restart management service using command-line script

Option 1 is pretty straight forward and both Option 2 and 3 can be performed on the command-line via an SSH session to your ESXi host if you have enabled SSH.

Option 2 - To launch the DCUI, just type 'dcui' on the command-line and you will be able to interact with the DCUI as you normally would from the console and restart the management service:

Option 3 - To restart just using the command-line, you can run the following command to restrat the management service: Download patch winning eleven 9 2019 world series.

/sbin/services.sh restart

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Question: I installed VMWare ESXi 4.1 on a Dell Poweredge Server. I created a Virtual machine, and while installing Red Hat OS 6.1 64-bit, it gives the following error message. My server is a new Dell poweredge R710 server, which support 64-bit CPU. Why do I get this error message and How do I fix it?

  • Error Message1 (while editig VM settings): “msg.cpuid.noLongmodeQuestionFmt: The host is VT-capable, but VT is disabled. Enable VT and disable trusted execution”
  • Error Message2: “This kernel requires an X86-64 CPU, but only detected an i686 CPU. Unable to boot – please use a kernel appropriate for your CPU.”

Answer: Even though your server’s CPU supports 64-bit, the VT option is disabled by default in your BIOS. You should enable it to fix this issue.

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VT stands for Virtualization Technology, which is an option in your CPU processor settings in BIOS, that needs to be enabled.

Esx.problem.hyperthreading.unmitigated After Update

Ideally you would expect that when you install ESXi, it would check the “VT” option in bios and warn you that it is not enabled. But, ESXi installer doesn’t warn you about it.

However when you try to create a Virtual Machine and choose 64-bit guest OS installation as an option, it display the following error message, and won’t allow you to install a 64-bit OS.

To fix the issue, reboot your DELL poweredge server, press F12 to go to the BIOS, select “Processor Settings”, and set “Virtualization Technology” to “Enabled” as shown below.

The following three CPU BIOS options are important to install 64-bit guest OS on VMWare virtual machine.

  • 64-bit “Yes” – This is set by default.
  • Virtualization Technology “Enabled” – This is disabled by default. You should change this.
  • Execute Disable “Enabled” – This is set by default.
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Esx Problem Hyperthreading Unmitigated

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