Monthly Archives: March 2018

VMware Spectre Variant 2 CVE-2017-5715 with cpu microcode fix released!!

I noticed that my ESXi hosts had new patches today and apparently VMware has finally released the patch for Spectre Variant 2 CVE-2017-5715 version 2 which utilizes the new updated CPU microcode patch listed in VMware Security Advisory vmsa-2018-0004.3. A colleague of mine illustrated the requirements similar to the one below which I found interesting and easy […]

VSAN Deduplication – what they don’t tell you

I was asked about deduplication ratios for VDI today which brought back some memories from when I deployed a VSAN cluster a few months ago. It was a VSAN all-flash cluster (mentioned in my previous blog post) which I enabled deduplication and compression. I used Zerto to migrate some VMs for testing and found that […]

Cisco Live! Melbourne 2018 Key Takeaways

I attended the Cisco Live! Melbourne 2018 conference last week. Great to be back for my 6th consecutive Cisco Live! and this year there were close to 7000 attendees!! The key highlight for me was definitely the Data Centre Innovation Day (thanks to my Cisco Accounts team for getting me the exclusive invite) and “Meet […]

Zerto issue with VMware VSAN – Zerto-migrated VMs unable to perform snapshot or clone

I recently used Zerto migrate VMs from an old vSphere 5.0 cluster into a new VSAN 6.6 cluster. The VMs started up fine but I found that I could not perform any disk related functions such as snapshots or clones to the migrated VMs. All VMs that were manually created on the VSAN 6.6 cluster […]

Testing the Dell EMC PowerEdge FX2s VSAN All-Flash Ready-Node

I was privileged enough to get my hands on a Dell EMC PowerEdge FX2s VSAN All-Flash Ready-Node for testing. Hardware Overview The Dell PowerEdge FX2s VSAN All-Flash Ready-Node consists of the following hardware: 4 x Dell PowerEdge FC430 servers 2 x All-Flash disk sleds 2 x Dell PowerEdge FN410s IO Modules Each Dell PowerEdge FC430 has […]