VCF High Availability, Explained as a Human Body
Which VCF components come as a pair and which do not, why a cluster is three nodes when a body gets by with two kidneys, and what vSphere HA is really doing underneath all of it.
29 articles in this category
Which VCF components come as a pair and which do not, why a cluster is three nodes when a body gets by with two kidneys, and what vSphere HA is really doing underneath all of it.
Deploying a VCF instance asks you two questions about management services: which components run here, and how is the cluster built. The documentation answers both in two tables and two diagrams. Here is the same thing as a story.
Every published VCF Automation configuration maximum from 9.0.0 to 9.1.1 on one page, Medium and Large profiles side by side. Those numbers are the All Apps figures, so the vRealize Automation limits that a VM Apps organization keeps are here too.
Two dropdowns in the planning workbook decide the VCF Automation footprint. Small deploys a single node, Medium and Large deploy a three-node cluster, and the numbers follow from that. Figures taken from the VCF planning and preparation workbooks.
The two get used interchangeably and they solve completely different problems. What separates them, the two numbers that define both, and a worked example of three failures where only one of them saves you.
Product teams keep asking for applications that never go down. Here is why 100% uptime is not a real target, what people usually mean when they ask for it, and how to decide whether zero downtime upgrades are worth what they cost.
How role-based access control works in VCF Automation. The Provider, Organization and Project scopes, the built-in roles at each level, and a permission matrix comparing the four project roles.
How IP addresses move during an upgrade from Aria Automation 8.18.x to VCF Automation 9.1.x. Why you need a new runtime IP range, how your old node IPs come back as cluster VIPs, and why the load balancer never has to change.
Upgrade Paths vSphere to VCF 9.0.x | How do we get there from here? |
Journey to VCF 9 having vSphere 8.x and VMware Aria Operations 8.x
VMware Aria Automation 8.18 to VCF Automation 9.0 Upgrade MindMap
Understanding Creutzfeldt-Jakob Disease (CJD)
Remediation steps to handle rollback of VMware Aria Suite Lifecycle 8.16.0 and other products
Difference between System Upgrade, System Patch , PSPACK and Product Upgrades in Suite Lifecycle
Interpreting versions in Suite Lifecycle
Could you explain the infrastructure type shown in the Easy Installer vCenter information pane?
VMware Aria Suite Lifecycle 8.14 PSPACK 2 | Installation | Demo |
Pros and Cons of upgrading your infrastructure frequently
| Implementing vRNI 6.6 Patch 2 via vRSLCM 8.x | Deepdive |
Interproduct Integrations during new products deployment & day-2 in vRSLCM 8.10
Re-Trust vRA with vIDM from vRSLCM | Deep-Dive
vIDM based authentication in vRSLCM | deep-dive |
Upgrade Planner Controller API's
Who Logged IN and Logged Out from my vRealize Automation ?
Mind Map: Upgrade vRealize Automation 8.x
What happens when vSphere Enumeration occurs after adding a vSphere Cloud Account ?
Adding a Cloud Account in vRealize Automation 8.x , deep-dive
What happens when Image Enumeration occurs for a vSphere Cloud Account ?
Behind the Scenes: vRealize Automation Upgrade 8.2 to 8.3