I’ve recently been working with a few new ESXi hosts. These systems have a pair of solid state disks that I planned to use for host cache. However, ESXi 5.0 did not detect these disks as an SSD type. I found a couple articles describing how to trick ESXi into…
I’ve recently posted several entries on MAC address conflicts within vCenter: Multiple vCenters and MAC address conflicts Virtual Machines with Duplicate MAC addresses If you look at the first post (and VMware KB 1024025) you’ll notice that vCenter uses a random instance ID to come up with the automatically generated…
I was recently asked if it would be possible for two virtual machines to be automatically assigned the same MAC addresses. Knowing that vCenter handles these assignments and ensures uniqueness, I figured it wouldn’t be possible…but it got me to thinking. Since I have multiple vCenters, what would prevent each…
It seems every release of the VMware vSphere vCenter server service has more dependency on SSL. I always replace the default self signed SSL certificates with ones created from an internal/trusted certificate authority. There is a good four part guide to creating the properly formatted certificates available here: http://www.virtualvcp.com/vsphere-4-technical-guides/136-replace-ssl-certificates-prepare-openssl-and-microsoft-cs As of last count,…
VMware KB article 1024025 explains an issue with MAC address conflicts due to multiple vCenter configurations with the same instance ID. Here is a technical description straight from the KB article: Each vCenter Server system has a vCenter Server instance ID. This ID is a number between 0 and 63…