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I have to say you’ll not able to get what you anticipating if you follow VMware document. After referred few blogs and videos, I finally deployed the production in HA and DR mode both, it consumed a lot of time since I had to clone the VM from US to India over WAN. It’s pain,…
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HP, a great company, I like the hardware design of HP ProLiant server, it’s pretty easy for datacenter maintenance and operation, do you like it? Today, I’ll introduce a storage issue on HP ProLiant BL460, BL480 blades. This issue happened on Qlogic HBA with VC-FC module. I have two dual port Qlogic HBAs on each…
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I start to use VMware workstation since 2002 or earlier, my bad memory can’t recall it. That’s 1st generation of virtualization. If you look at today’s virtual world, we are on the way to “Matrix”! J Enterprise is virtualizing more and more server lead to vCenter Server becomes to a critical role. We have to…
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This was a lesson and learns for me after I recovered the data back. My data was lost and no backup… I had a virtual machine was moved from ESX 3.0 to ESXi 5.1 host long time ago. The virtual disk size show 0 and I cannot do storage migration and snapshot on the VM…
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It’s been a long time since last post, I was pretty busy on a storage issue, I did a lot of work with hardware vendor and VMware for this weird issue. During our troubleshooting, I noticed a minor problem when I try search VM in vSphere Client, everytime it gave me error message “Unable to…
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Storage team said the best practics of QFullSampleSize is 32, they want to check how it’s going in our environment. It’s easy to check individual host, but pretty time consuming if you want to check 300+ hosts. Here is a one line PowerShell script to export QFullSampleSize and QFullThreshold to a csv file. Get-VMHost |…
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Today I see this error message on one ESXi5.0 host: The number of heartbeat datastores for host is 0, which is less than required: 2 No any VM is running on the host by DRS or HA, VMware KB gives a solution but too complicate. Re-configure HA can fixes the problem. Right click the host…
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First of all, this article is nothing related to PowerCLI. 🙂 You probably know how to set Path Selection Policy (PSP) by vSphere Client, but how you can setup 100 LUNs manually? We have some script can make your life easy. How to retrieve LUN Path Selection Policy: esxcli storage nmp device list | egrep…
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I worked on move RDM LUNs of Microsoft Cluster virtual machine from one iGroup to another. To make sure the moving safe, we should record RDM LUN information before migration. We had two VMs with almost 20 RDM LUNs, it’s pretty time consume to get the information manually, I used following script to retrieve information: $RMDinfo =…