VMware vCenter Server Appliance 6.5 – Install and Configure

VMware vSphere 6.5 is finally general available and everyone who wants can download and install on their dev/test/prod environments. I’ve been working with vCenter Server for many years, but always the preferred corporate platform was Windows, so I was using the windows based vCenter. With version 6.5 there are lots… Continue reading

Just Another ESXi 6.0 Storage APD Handling Bug

alert

It’s been a while since we experienced partial outage on our storage infrastructure running under IBM SVC storage. Few LUNs (vdisks in IBM SVC world) presented from storage went offline. I’m not going into details why it happened as HW problems just happens sometimes. Important thing is how are you… Continue reading

Broadwell ESXi 6.0 Exception 14 PSOD and Lenovo support fail

exception14

You may already have heard about known issue with Intel Broadwell Family CPUs (Intel Xeon CPU E5-26xx v4 CPUs)  where you can hit Exception 14 PSOD if you are running older microcode. If not, you can read about it in kb2146388 From there you can clearly see you need to… Continue reading

Remove and Re-Create Management Network (vmk0) VMkernel interface using ESXi Command line

VforVirtualist

As you may know, ESXi Management interface (aka vmk0) is created during installation. By default that interface will inherit MAC address of one of the physical NIC cards. Now, this is not a problem at all in most cases, but sometimes it can create problems. For example imagine a situation… Continue reading

Fixed: Cross vCenter vMotion with shared storage bug

I’m in the middle of the project where I need to split up my environment into two vCenters so I decided to update part of it to vSphere 6.0 to ease up my work and operations tasks later on. I do have a stretched infrastructure across the datacenters including storage… Continue reading

Cross site vMotion, Default Gateway and TCP/IP stacks

Possibility of cross vCenter vMotion is quite popular among customers. But the thing is that most of the times the vCenters, or the environments managed by those vCenters, are in different sites or locations. This simply means they do not share same vMotion network. Which means vMotion traffic needs to… Continue reading