A common question / scenario I see from customers is: When I migrate a 40GB test VM with VAAI enabled, the copy offload operation isn’t any faster than when VAAI is disabled! In fact, it might be slower! What gives? I thought offloading copies to the storage array was supposed to be make migrations faster! … Read more
One of the products I support is OpenStack Cinder. This requires me to deep dive and dig through various Cinder workflows including how Cinder scheduler makes decisions. I’ve found that most customers don’t change much in the way of Cinder’s default options. And more often than not, most folks don’t really understand why Cinder makes … Read more
Early in 2022 I took (and passed) both the Certified Kubernetes Administrator (CKA) and Certified Kubernetes Application Developer (CKAD) exams. There are a number of posts out there that describe preparing for the exams that go into a ton of detail. This will not be one of those posts. 😉 The CKA / CKAD exams … Read more