September 2012

How to identify and fix misaligned virtual machines with Netapp mbralign

September 17, 2012 sysadmintutorials 0

One component that can lead to bad performance of a storage system is misalignment. I’ve just finished writing this tutorial on how to use Netapp’s Virtual Storage Console and mbrscan to identify misaligned Virtual Machines, […]

VMware virtual machine error message Invalid configuration for device ’0′

September 6, 2012 sysadmintutorials 1

I ran into an issue tonight that kept me up for a few hours. A customer is running Cisco UCS solution, Cisco Nexus 1000v, Netapp SAN and VMware vSphere 5. We had to re-acknowledge the […]