Monthly Archives: August 2018

VMware Cross vCenter vMotion migration with separate SSO domains

I recently deployed a new vCenter 6.5 VCSA due to my adoption of a new hyper-converged stretched cluster. Similar to mine, there would be scenarios where you would need to deploy a new vCenter appliance rather than upgrading/migrating an older vCenter server. Now that I have built and configured my new VCSA and configured my […]

Cisco HyperFlex Stretched Cluster Performance Testing – HCIBench

I previously performed some performance testing of my new HyperFlex Stretched Cluster using IOMeter. The feedback that I received from some readers was that IOMeter is an “outdated” tool which was used to measure performance of old storage systems and is no longer suitable for new hyper-converged platforms. Therefore, I ran another performance test using […]

August 2018 Intel Vulnerabilities L1 Terminal Fault – L1TF (CVE-2018-3646 / CVE-2018-3620 / CVE-2018-3615)

Summary Following the recent Spectre/Meltdown vulnerabilities from Intel, the latest wave of new found vulnerabilities disclosed by Intel on Tuesday, 14 August includes 3 new vulnerabilities affecting Intel Core and Xeon processors from at least 2009 – 2018. These new vulnerabilities are collectively known as “L1 Terminal Fault”. Vulnerability Overview Details for each vulnerability as […]

Cisco HyperFlex Stretched Cluster Performance Testing – IOMeter

I built my first HyperFlex hybrid stretched cluster last week and was interested in getting some IO benchmarks. Just how much IOPs can I get out of the system? I had previously did similar testing on a VSAN ready-node and could easily obtain the maximum IOPs of the system so was interested to see if […]