A storage administrator mistakenly removed the VMware ESXi host mappings which were still mapped and being used in Production environment from the SAN. This of course impacted live services and I was the lucky person on call. I've posted this because I'd hoped that simply readding the host mappings on the storage might resolve the … Continue reading ESXi host mappings unexpectedly removed from SAN
Author: Liam Curley
Unable to storage vMotion vCLS VMs – A specified parameter was not correct. StoragePlacementSpec.vm
I was completing tasks to delete datastores and consolidate storage capacity but hit a blocker when attempting to put a datastore in to Maintenance Mode. The datastore didn't go in to Maintenance Mode and I was left with a few vSphere Cluster Services (vCLS) VM's unable to move. If you're unsure what these vCLS VM's … Continue reading Unable to storage vMotion vCLS VMs – A specified parameter was not correct. StoragePlacementSpec.vm
Display a notification in the vSphere Client with Message of the Day
Need to display a notification or message when a user logs in to your vSphere Client? We can use the Message of the Day feature in the vSphere Client to display a message for informational purposes such as upcoming maintenance or other reminders for users logging in to vCenter. Log in to the vSphere client … Continue reading Display a notification in the vSphere Client with Message of the Day
Reset root password for VMware vRealize Operations appliance
I've needed to reset the root password on VMware vRealize Operations appliances on a few occasions and although the official guide from VMware contains very helpful information, it wasn't easy enough to follow for some of my colleagues who weren’t proficient in Linux or text editors. The purpose of this post is to include screenshots … Continue reading Reset root password for VMware vRealize Operations appliance
vMotion failing with “The VM failed to resume on the destination during early power on. The source detected that the destination failed to resume.”
VMware KB 59665 advises to reboot the VM to clear any locks but I found this wasn't required. I completed a Storage vMotion of the VM Configuration file to another datastore and the VM was then able to vMotion successfully which meant no downtime for the Production servers! Remember to move the VM Configuration file … Continue reading vMotion failing with “The VM failed to resume on the destination during early power on. The source detected that the destination failed to resume.”
Reset vmhba storage Fibre Channel adapter on ESXi host
I've encountered an issue which randomly affects some of our hosts vmhba's losing one storage device target which halves the paths to the storage and reduces resiliency. Host, storage and network configuration doesn’t highlight anything incorrect and resetting the vmhba brings back the Target to our desired state. This post shows how I reset the … Continue reading Reset vmhba storage Fibre Channel adapter on ESXi host
How to upgrade vRealize Operations
This post covers the process for running the vRealize Operations Pre Upgrade Readiness Assessment Tool and upgrading vRealize Operations without using Lifecycle Manager. I was running 8.1 and have upgraded to 8.5. The next time I complete a vROps version upgrade, I’ll use Lifecycle Manager and post again with that process. The main steps in … Continue reading How to upgrade vRealize Operations
HTTP & HTTPS proxy server unreachable – VMware vCenter VCSA not accepting proxy settings
PSA: I no longer experience this issue since upgrading to vCenter 7.0 U2d! This is was quite a common issue where we're unable to set the HTTP and HTTPS proxy settings using the VAMI with versions 6.5, 6.7 and early versions of 7.0. This post will show the how we experience the HTTP & HTTPS … Continue reading HTTP & HTTPS proxy server unreachable – VMware vCenter VCSA not accepting proxy settings
Use PowerCLI to find which VMs restarted after a HA protected host failure
One of my hosts in a HA protected cluster crashed and I usually use vRealize Log Insight to retrieve a list of VMs which have been restarted on other hosts but in this instance, the host in question didn't seem to have been logging correctly and I wasn't getting any results back. I found a … Continue reading Use PowerCLI to find which VMs restarted after a HA protected host failure
Supermicro E200-8D for my home lab
Finally got my hands on a Supermicro E200-8D and now have a bit more compute resource for my home lab. It's a well known micro server in the vCommunity but the full specs are here: https://www.supermicro.com/en/products/system/Mini-ITX/SYS-E200-8D.cfm It only came with 1 x 32GB memory but has four slots so once I fill these, it’ll have … Continue reading Supermicro E200-8D for my home lab
Define The Data Centre 