After a recent outage a customer was unable to bring their VCSA back online. A quick investigation showed that while the VCSA was powered on after the host failure, the virtual NIC was disconnected. The customer simply logged into the host and edited the settings for the NIC to get things back online: Not quite. […]
Guest VM Network Unstable due to Guest Introspection
There are many reasons a guest VM can have an unstable network connection. Here, I’ll detail one of the lesser know causes. This issue was previously unknown but is now listed as a known issue with the versions of VMware Tools current as of the time of this writing. It’s a well-known and well-documented practice […]
Recovering from a hostd unresponsive event
The hostd service is the life-blood of your ESXi host. Because hostd is involved in so much of the behind-the-scenes work of ESXi it can be easily affected by changes in storage or network topology. Here is how to recover when hostd is unresponsive.
Fixing vCenter and PSC Ethernet Interface Names
After a 6 hour round of maintenance one night, we ended up with a fouled External PSC and vCenter server. VMware wanted us to pull logs from the ailing systems but we had restored from backup leaving the non-functioning VMs in place with a different name. Obvously, we couldn’t boot the VMs in the Production […]
Refresh VMware inventory without removing VMs
If you have several VMs in your VMware inventory that are shown as either inaccessible or invalid, you can actually reload the configuration without the need to shutdown the VM or put the host in maintenance mode. This is done via the reload method on the Virtual Machine View object in PowerCLI. The result is […]