PowerCLI 6.5.1 Released

VMware has released PowerCLI 6.5.1, this new version, adds support for new commands til DRS groups/Rules and vSAN 6.6. See the VMware blog about it here: https://blogs.vmware.com/PowerCLI/2017/04/new-release-powercli-6-5-1.html There is no installer for this version, it is installed thru PowerShell Gallery, here is a blog on how to install: https://blogs.vmware.com/PowerCLI/2017/04/powercli-install-process-powershell-gallery.html After I have installed this i made a a […]

VSAN and HBA Driver support

Be aware of using the correct SCSI/SATA driver for VSAN supported controllers. In the VSAN health check you may see something like this: After checking the Compability list, I found that this controller supported the megaraid_sas. The megaraid_sas is what's referred to as legacy driver, so you have do disable the native driver. See the KB for instruction: http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2044993 Note: […]

VSAN issue “Host cannot communicate with all other….”

There is a bug in vSphere 6.0 Update 1b that could give som false warnings, like "Host cannot communicate with all other nodes in the Virtual SAN enabled cluster”. The problem and solution can be found in this KB: http://kb.vmware.com/selfservice/microsites/search.do?cmd=displayKC&docType=kc&externalId=2143214 One of my colleagues tried this but it does not always work, and we had to leave the customers […]

VSAN problem

I had a customer that is running VSAN, and had recently upgraded to vSphere 6.0. They wanted to upgrade VMFS-L to VSAN-FS (the new drive format). But they could not do this because 1 host had 2 defekt disk groups on it. The host had been a member of an old VSAN setup, that was scratched. So we […]

Sizing of VSAN

I been asked about how to size VMware VSAN solutions, both from Hardware Business Managers and Customers, this have been a manual calculation, with some help from different blogs. Now VMware has released a online tool that you can help: http://virtualsansizing.vmware.com The result of the tool may be that you only need 3 hosts, which is the minimum, but […]