VSphere tip: removed VM from a datastore cluster but rules still applying to it

Found this issue last week and wanted to note it for future reference for myself (getting old and best way for me to remember as much as anyone:)). So removed a VM from one of our datastore clusters. Now this machine had an affinity rule applied to it which i wasn’t aware of. Interestingly found […]

vCenter 6.5 tip: Enabling vCenter HA? do so when things are quiet in your environment

Picked up this useful tip from the vCenter Server HA performance and Best Practices guide (see – http://www.vmware.com/content/dam/digitalmarketing/vmware/en/pdf/techpaper/vcha65-perf.pdf) Will see on Pg 23 it will refer to the fact that: “As a best practice, it is highly recommended to pick a time period with a very light workload to enable VCHA. Otherwise, the newly cloned Passive […]

VSphere 6.5 enhancement: VM secure boot support

Although theoretically possible in vSphere 6.0 VM secure boot support only officially supported with vSphere 6.5. Interesting thing with 6.5 is the range of improvements made in the security space with the hypervisor. Been good too that VMware have been listening to the user community in simplifying the adoption of a lot of these features. An […]

VMware tip: how to get assign a static IP address to

Recently came across an issue trying to assign a static IP address to an OVA file. Was going to post it on the VMware communities site but someone had raised a post asking same question. Turns out the fix is a little more involved than assigning one to an OVF file. Good VMWare discussions article […]

VMware cmd-line tips: how to perform host-related operations

Handy command i found on my travels – vicfg-hostops – http://pubs.vmware.com/vsphere-60/index.jsp#com.vmware.vcli.ref.doc/vicfg-hostops.html Nifty way to perform operations across all your hosts at the same time (though needless to say be careful too given its power!)  

VCenter tip: Enhanced Link Mode and how to enable

Enhanced Linked Mode enables a single point of management across all vCenter Servers in the same vSphere Single Sign On (SSO) domain. Easier admin results as can look after multiple vCenter instances from one pane. To enable Enhanced Linked Mode, follow these steps: Ensure that Enhanced Linked Mode requirements are met: All PSCs are in […]

Citrix AppVolumes – what ports does it use?

Useful information to know if proceeding with a POC and need to open ports etc https://kb.vmware.com/selfservice/microsites/microsite.do?cmd=displayKC&docType=kc&externalId=2097818&sliceId=1&docTypeID=DT_KB_1_1  

ESXi tip: Recommended lockdown mode configurations

As you can probably guess by its name lockdown mode is used to increase the security of your ESXi hosts. When enabled no users other than vpxuser have permissions to logon nor can they perform activities against the host directly. Essentially forces all operations to be performed through vCenter. Enclosed is a handy table showing the recommended […]

Recommended settings for ESXi 6.x hosts in NetApp OnTap 8.x environment

  Important KB covering recommended updated set of settings relevant to vSphere 6.x environments. https://kb.netapp.com/support/index?page=content&id=1015266&locale=en_US