Tag Archives: Automation

Network Problems of Auto Deployed ESXi Host in LAB

I built a simple Auto Deploy environment by vSphere 6.5 on nested environment. I created virtual ESXi hosts on a physical ESXi host to do the testing. The whole configuration was smoothly, I’m impressed Auto Deploy can be implemented in few hours. One thing bothered me was networking.

New ESXi hosts cannot get IP addresses properly somehow. It’s not a single problem. The symptoms are ESXi hosts cannot get IP address, or the Configure Management Network was grayed out on console, or ESXi hosts can get IP address but no responding to ping. Just quick post my solutions here.

To fix all these problems you need to do following:

  1. Enable Promiscuous Mode on the vSwtich which is attached to nested ESXi hosts on physical ESXi hosts.
  2. (I did that on Web Client of vCenter 6.5 U1. You may see different procedure on earlier versions.) Edit the host profile of Auto DeployNetworking configurationHost port group — Highlight Management Network — The option Determine how MAC address for vmknic should be decided — Choose Use the MAC Address from which the system was PXE booted.

If you don’t do step 1, your nested ESXi hosts may not able to get DHCP IP addresses properly, or it can get IP addresses but maps to a new MAC address lead to network packages cannot be transmitted.

Nested ESXi hosts get a DHCP IP addresses when do PXE booting. The hosts get another new IP addresses when apply host profile as soon as management network is created. It could be two different IP addresses and the MAC address of management network could be a new one that not same to any of vmnics. It will be hard to trace back on network switch in real environment, so I think it’s better also to do step 2.

Update 10/25/2017 — You should choose “User must explicitly choose the policy option” in step 2 above if you have multiple NICs. The reason is DHCP IP address during PXE may be captured by random NICs. If you choose what I mentioned in step 2, you will see DHCP server may learns MAC address of a none management network NICs associated with management IP address. Please refer this article for more detail.


vRealize Automation 7 初始设置

vRealize Automation 7 (vRA 7)和vRA6比起来有很多增强和改进。网上有大量的文章介绍这方面以及安装方法。vRA7的初始设置和vRA6有很大不同。以下是我的一些经验,可以帮你快速搭建实验环境。

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当创建虚拟机的时候你可能需要将虚拟机根据不同的属性放入不同的OU中,比如根据角色、组、用户组等。在vRealize Automation Center (vRA)中可以很轻易地创建一个下拉菜单实现这类属性的选择,但是这类属性的值往往都以字符串的形式传递到vRO中,而vRO的活动目录工作流中并没有提供字符串转OU对象的功能。

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Convert string to OU object in vRO

When you put virtual machine to particular OU, you may refer to virtual machine properties, such as ‘server role’, ‘server group’ or ‘user group’…etc. It’s easy to set a drop-list in blueprint of vRealize Automation Center (vRA) to let users choose this kind of properties but hard to create a computer account in corresponded OU location in vRO. That’s because vRA passes most of values to vRO as strings, Active Directory workflows in vRO do not provide a way to convert string to OU.

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How to call customized vRealize Orchestrator workflows in vRealize Automation Center

You almost can do everything as long as vRealize Automation Center (aka vRA) and vRealize Orchestrator (aka vRO) are integrated. I think that’s the hard part if you are newbie like me. After reading lot of articles, I learned how it works. Following is my experience, please let me know if you see anything wrong.

把vRA和vRO结合在一起几乎可以做任何事情。如果你和我一样是新手,和uijuede 得整合这块比较难,最近阅读了一些这方面的文章,算是有所了解了。以下是我的见解,如果有问题留言给我。

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