Blog.
- September 11, 2019
Disaster Recovery Without a DR Site: Using Veeam and Cloud Storage
Traditional disaster recovery required a physical secondary site — a co-location facility or branch office with matching hardware that could run your workloads if your primary site failed. For small …
- August 6, 2019
Failed ESXi Upgrade: Recovering When Update Manager Goes Wrong
ESXi host upgrades via vSphere Update Manager (VUM, now Lifecycle Manager in newer versions) are routine operations that usually go smoothly. When they don’t, the failure modes can range from …
- June 25, 2019
SLA-Based Backup Design for VMware Environments
Most VMware backup configurations I inherit were built by someone who configured jobs, set a retention period, and moved on. There’s no formal connection between what the backup policy does and …
- May 14, 2019
VMFS Datastore Corruption: How It Happens and How to Recover
VMFS (VMware File System) is a clustered filesystem that lets multiple ESXi hosts access the same LUN simultaneously. It’s reliable, well-tested, and handles concurrent access through …
- April 2, 2019
Migrating VMs Between Datastores Without Downtime
Storage vMotion is the capability that makes VMware environments operationally flexible — you can move a VM’s virtual disks from one datastore to another while the VM continues running, without …
- March 7, 2019
NSX-V Edge Services Gateways: The Part That Trips Up First-Timers
If the Distributed Firewall is NSX-V’s most-used feature, the Edge Services Gateway (ESG) is its most confusing. ESGs are software-defined appliances that provide routing, NAT, load balancing, …
- February 14, 2019
NSX-V and Physical Firewalls: Finding the Right Boundary
Organizations deploying NSX-V often already have physical perimeter firewalls — Palo Alto, Fortinet, Cisco ASA, or Check Point. A common design question: what does NSX do, and what does the physical …
- January 22, 2019
Troubleshooting NSX-V: Controller Issues and What They Actually Mean
NSX-V’s control plane runs on a cluster of controller VMs that manage logical network state — VXLAN mappings, logical router tables, and distributed firewall rule distribution. When controllers …
- December 10, 2018
NSX-V Micro-Segmentation: Applying Distributed Firewall in Practice
The distributed firewall is the feature that justifies NSX-V for most mid-size organizations. Traditional network firewalls sit at the perimeter or at layer boundaries — north-south traffic is …
- November 20, 2018
Veeam vs Rubrik: An Honest Comparison After Running Both
I’ve deployed Veeam Backup & Replication and Rubrik for different clients over the past several years, sometimes migrating from one to the other for the same organization. The comparison …