Enabling agentless Guest (VM) RAM monitoring with vRealize Operations 6.3+

Agentless monitoring of the Guest RAM metrics is one of the new feature introduced with vRealize Operations 6.3 with vSphere 6.0 U1. I was really happy to finally see this functionality, as memory metrics which are provided by default are not accurate and I would say almost useless when trying … Continue reading

Warning: Extending virtual disks in ESXi 6.0 can pause your VM!

alert

As  I’m planning to deploy ESXi 6.0 in our environment, I’m doing research for the all issues or behavioral changes coming with vSphere 6.0. I have discovered one serious change in behavior which came with ESXi 6.0 and I don’t think it was announced anywhere and it can cause outage in your … Continue reading

In Guest Disk Mirroring

If you decided to go with disk mirroring inside your guest operating system across two SAN LUNs for whatever reason (e.g. you want to bring another level of the protection for your application and your SAN environment does not support “stretch cluster” implementation, no support for synchronous mirroring, budget constrains … Continue reading