If you’ve spent any time deploying Windows Server 2008 using VMware vCenter’s Customization Specifications, you’ve probably run into a weird issue where the OS doesn’t retain its default gateway after a reboot. This is actually a known bug in Windows 2008, and it occurs when the gateway is set with netsh. When that happens, a […]
Fun times with vDS: VMware
I ran into a very strange issue the other day, and I wanted to share it. On my biggest VMware cluster, we run 7 x IBM 3850 M2’s with 2 x 10GbE public, 2 x 10GbE private and 2 x dualport 4GB FC HBA’s. (Side note, these sorts of conversations remind me of the “gearheads” […]
vMotion failing at 82%: VMware
The other day, one of my coworkers was attempting to upgrade a cluster from ESX 4.0 to ESXi 4.1. He started on a host that was empty (no DRS; manually load balanced cluster), and after that completed he began to evacuate the other 2 ESX 4.0 hosts to the newly installed ESXi 4.1 host. While […]
Cluster HA/EVC & Guest HA Reporting: PowerCLI
One of the unique but potentially frustrating things about the environment that I support is that many of the clusters & guests are setup the same exact way at multiple locations. PowerCLI has really helped reduce the amount of time it takes to verify settings, and to set them correctly (although, that’s another post). This […]
Guest troubleshooting 101: VMware
Lately I’ve been fighting a remote cluster that has had its share of host and guest issues; this latest issue piqued my interest and its solution was so simple that I chuckled a bit. Problem: The guest will not respond to power commands thru vCenter The guest OS has been shutdown thru Windows, but the […]