Pages

▼
Wednesday, July 06, 2022

Monolithic versus Microservices application architecture consideration

›
Microservices application architecture is very popular nowadays, however, it is important to understand that everything has advantages and...
1 comment:
Thursday, June 16, 2022

Grafana - average size of log line

›
As I'm currently participating on Grafana observability stack Plan & Design exercise, I would like to know what is the average size ...
1 comment:
Tuesday, April 26, 2022

Farewell VMware

›
The clever people and Buddhists know that the only constant thing in the world is change. The change is usually associated with transition, ...
Sunday, April 03, 2022

VMware vSphere DRS/DPM and iDRAC IPMI

›
I have four Dell server R620 in my home lab. I'm running some workloads which have to run 24/7 (DNS/DHCP server, Velocloud SD-WAN gatewa...
2 comments:
Thursday, March 17, 2022

vSAN Health Service - Network Health - vSAN: MTU check

›
I have a customer having an issue with vSAN Health Service - Network Health - vSAN: MTU check which was, from time to time, alerting the pro...
Thursday, March 03, 2022

How to get vSAN Health Check state in machine-friendly format

›
I have a customer with dozens of vSAN clusters managed and monitored by vRealize Operations (aka vROps). vROps has a management pack for vSA...
Tuesday, March 01, 2022

Linux virtual machine - disk.EnableUUID

›
I personally prefer FreeBSD operating system to Linux, however, there are applications which is better to run on top of Linux. When playing ...
Sunday, January 23, 2022

What FreeBSD type of NIC to use in VMware Virtual Machine?

›
Today, I have received a question from one of my readers based in Germany. Hellmuth has the following question ... Hi, i just stumbled acros...
3 comments:
Thursday, January 20, 2022

Energetics and Distributed Cloud Computing

›
The Energy The cost of energy is increasing. A significant part of electrical energy cost is the cost of distribution. That's the reason...
Wednesday, January 19, 2022

How to avoid or at least mitigate the risk of software and hardware component failures?

›
Last Thursday, my Firefox web browser stopped working at a regular zoom meeting with my team. Today, thanks to The Register, I realized that...
Wednesday, October 20, 2021

Kubernetes vSphere CSI Driver

›
The main reason why I do blogging is to document some technical details and design patterns I discuss with my customers. Usually, I decide t...
Monday, October 04, 2021

2-Node vSAN Direct Connect and LACP

›
One of my customers is using 2-node vSANs on multiple branch offices. One of many reasons of using 2-node vSAN is the possibility to leverag...
Friday, October 01, 2021

Enhanced Load Balancing Path Selection Policy

›
This blog post will be very short. Few years ago I wrote the blog post about this topic. It is available here so read it for further detail...
Thursday, September 30, 2021

VMware Distributed Switch - vSphere 6.7 versus 7.0

›
This will be a really quick heads-up for those upgrading vSphere 6 to vSphere 7. I've been informed by one colleague, that his customer ...
5 comments:
Thursday, September 09, 2021

vSphere design : ESXi protection against network port flapping

›
I've just finished a root cause analysis of VM restart in customer production environment, so let me share with you the symptoms of the ...
Thursday, September 02, 2021

ESXi, Intel NICs and LLDP

›
This will be a very short blog post because Dusan Tekeljak has already written a blog post about this topic. Nevertheless, I was not aware...
1 comment:
Thursday, July 15, 2021

vSAN Capacity and Performance Sizer

›
VMware vSAN is enterprise production-ready software-defined storage for VMware vSphere. After several (7+) years on the market, it is a prov...
1 comment:
Tuesday, June 15, 2021

vSphere 7 - ESXi boot media partition layout changes

›
VMware vSphere 7 is the major product release with lot of design and architectural changes. Among these changes, VMware also reviewed and ch...
2 comments:
Saturday, May 15, 2021

AWS, FreeBSD AMIs and WebScale application FlexBook

›
I've started to play with AWS cloud computing. When I'm starting with any new technology, the best way how to learn it, is to use it...
Wednesday, March 24, 2021

What's new in vSphere 7 Update 2

›
vSphere 7 is not only about server virtualization (Virtual Machines) but also about Containers orchestrated by Kubernetes orchestration engi...