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Daily ESX HowTo VMware

Disable Flow Control

I was onsite this past weekend doing a vSphere 5.1 turnkey install. The turnkey consisted of a C7000 Blade Chassis, and two ESXi 5.1U3 hosts. With this new installation, the customer was adding to a new 10Gbe environment to his network. There were also a few settings that needed to be made, specifically, disabling Flow […]

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Daily VMware

VMware VirtualCenter Server Service hung on “starting”

Discovered something interesting earlier today. I went to go work in vcenter and found that it was unresponsive. Thinking that the machine had recently “autoinstalled” a patch and rebooted. I first thought that maybe the vcenter service hadn’t started. I opened services.msc and found that the VMware VirtualCenter Server Service stuck on “starting”. I had […]

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Daily ESX HowTo VMware

Maximum Switchover Timeout

I recently ran into an issue where I was having to svmotion some rather large VMs (1-2TBs) that stretched over multiple datastores. During the svmotion, the VMs would time out at various percentages presenting this error. Consulting with Prof. G (Google) presented a VMware KB Article: 1010045. That article states; “This timeout occurs when the […]

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Daily ESX VMware

Missing NIC

Had an interesting event yesterday. A new application build was underway that wasn’t going very smoothly. Snapshots were being made and reverted rather frequently. After one one snapshot reversion, progress on the install was being made. Approximately three hours went by and a high priority ticket was raised. Something had gone wrong, and no one […]

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Daily ESX VMware

SAN Loop Failure

Here’s an example of how important it is for your VMware Engineers to either have visibility into the SAN infrastructure, or work very intimately with the SAN Admins. We lost a fiber loop on one of our NetApp FAS 3160 SANs yesterday. If my team did not receive the critical fail-over emails, we would not […]