English version of my posts.
Windows Server 2012, the biggest competitor of VMware vSphere. There are adequate reason to use Hyper-V 2012 instead of vSphere 5.x, but it’s still very hard to for newbie, we spend more than 30 hours to try figure out how to create cluster on SCVMM 2012 SP1, the software is easy to install, but hard … Read more
1. create a file with name “Profile.ps1” under %windir%system32WindowsPowerShellv1.0profile.ps1 2. Add following content to the file. # Adds the base cmdlets Add-PSSnapin VMware.VimAutomation.Core # Add the following if you want to do things with Update Manager #Add-PSSnapin VMware.VumAutomation # This script adds some helper functions and sets the appearance. You can pick and choose parts … Read more
There are lot of articles introduce vSAN feature and steps by steps guide. I referred William Lam’s article & Duncan’s article to configure vSAN on my lab, I was true I exactly followed his steps to configure the vSAN, but I can not saw anything under disk field under Disk Management. Please note: Following steps does not … Read more
NTP service is very important for troubleshooting, vmkernel log timestamp is incorrect if your NTP service is not running and ESXi system time is wrong. It can also impact to VM system time even you disable time synchronization on VMware Tools since VM still need to sync time with ESXi after awake from suspended status, … Read more
It’s about 5 years since last time I visited Chengdu. A beautiful city, people say “you gonna love it, and wanna live there if you come to Chengdu”. People looks like live very relax in Chengdu, they drink tea in park, play Mahjong and enjoy professional people scrape their ears (most like ears massage). I … Read more
Storage is critical component for virtualization, lot of VM performance issue is related to storage latency. You may see similar error message on vmkernel log for some case: 2014-02-11T07:18:20.541Z cpu8:425351)ScsiDeviceIO: 2331: Cmd(0x4124425bc700) 0x2a, CmdSN 0xd5 from world 602789 to dev “naa.514f0c5c11a00025” failed H:0x0 D:0x2 P:0x0 Valid sense data: 0x4 0x44 0x0 It much like language … Read more
Hi there, I built a new personal website, hence I’ll stop update here. Please go my Wu’s Blog to get latest articles.
I didn’t know ICANN request email address verification, I thought freedom everywhere outside China, but looks like it’s not. 🙂 My domain was suspended due to that ICANN policy, and my QQ mailbox unable to recieve verification email from ICANN, what a unfreedom country it is! Finally I have to change my domain register mailbox … Read more
If you have set of group VMs and particular group can access each set VMs, you should grant access on vSphere Client or vSphere Web Client. SSO is slowly sometimes, you could use following CLI to do it more efficient. New-VIPermission -Entity “Folder Name” -Principal “Domaingroup name” -Role “Role name” You could do it faster … Read more
Your vHBAs or other PCI devices may stop running in ESXi 5.x when using Interrupt Remapping feature. This issue only impact to UCS blade BIOS version 1.4(3c), it has been fixed on 1.4(3j). Please refer to http://kb.vmware.com/kb/1030265 to see how to disable Interrupt Remapping feature in ESXi 5.x Also refer to https://tools.cisco.com/bugsearch/bug/CSCty96722.
