English version of my posts.
It’s busy month, I haven’t update my blog since I back from Phuket with my wife. I’m running into multiple projects, a little overload. Just a quick share, my storage team ask me provide WWPN of all hosts to do a health check. it’s nightmare to pull out the data from vSphere client or web … Read more
To implement enterprise application like SAP, Oracle or SQL on UCS virtualization environment. Default setting of UCS blades may not suitable for the application. We always expect highest performance by optimize hardware and ESXi. In my UCS training session, I noticed one “hidden” parameter may helpful for performance. Receive Side Scaling – So called RSS, … Read more
Most company use HP, Cisco, IBM network adapter, most of their network adapter drivers include in ESXi 5.x images. But what if your network adapter is other vender? I’m going to show you how to identify and install proper drivers for 3rd party network adapter on ESXi 5.x. My ESX 4.0 server (HP DL380G7) was … Read more
Today I got a special problem I want to share with you. I tried to install SCVMM 2012 SP1 console on my Windows 7 VM to do some troubleshooting, but I get error message “Generic Trust Failure” when I click Install button in SCVMM 2012 SP1 installer, it mentioned something related to Microsoft Visual C++ 2010 … Read more
I discussed this topic with a group, some people think firmware upgrade is not required if ESXi host working fine, that’s adapted to small business, but I think enterprise can do more better. My ESXi running on HP blades, I’ll use that platform for example to share my thought and experience. Why you need a … Read more
First, I would like to recommend DELL M4800 for small home lab, I spent lot of time to looking for a solution for my lab, I need some hardware low noise, low weight, and it is better portable. I checked out HP mini server, Apple MAC mini, Mac book pro…etc. They are nice products to … Read more
Finally I implemented Hyper-V 2012 and SCVMM 2012 R2 on my lab, unfortunately FreeNAS does not supports SCSI-3 persistent reservation of Windows Server 2012 R2, you can refer bug #4003. It lead to my iSCSI storage cannot be brought online in Failover Cluster. I have to find out alternative. I decided to use Windows Server … Read more
I think Windows Server 2012 will be next popular server OS just like Windows Server 2008, it’s also a nice hypervisor OS on virtual world. How do you think? Installation is first step to experience the wonderful OS, you may see some strange problem during that step just like me. Today’s topic occurred long time … Read more
About one month ago, I requested Google AdSense for my blog, I almost forgot that request due to the busy life. My friend Saju told me his IT blog has Google AdSense, that’s reminded me I have a pending AdSense. It was blank after I set it up in my blog, Today morning it’s finally … Read more
VCE just released a new KB vce2563 to description the issue. If your ESXi 5.x hosts is connected on VMAX running Enginuity 5876.159.102 and later, you may see this particular issue after reboot ESXi host or attach storage if you enabled block delete feature of VAAI. To check the option status you can run following command on … Read more
