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THE FEUTEX TOOLKIT

Majority Quorum Failure Tolerance

Find majority votes and remaining failure tolerance for a voting cluster.

Computer Systems workspace● Runs in your browser
01 Your input
02 Your result
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FormulaRequired majority = Math.floor(n/2)+1; Additional failures tolerated = Math.max(0,n-down-Math.floor(n/2)-1)

Made for real tasks

  • Find majority votes and remaining failure tolerance for a voting cluster.
Explore step-by-step workflows →

Worked example

Inputs

Voting members
7 members
Unavailable members
1 members

Expected results

Required majority
4 votes
Additional failures tolerated
2 members

Load the example in the workspace to reproduce these results. Display rounding does not change the underlying calculation.

How to use this tool

  1. Enter voting members, unavailable members in the displayed units.
  2. Calculate the scenario, then compare it with measurements before changing a system.

Try this example

{
  "n": 7,
  "down": 1
}

Accuracy and scope

Simple majority only; excludes joint consensus, weighted voting and network partition placement.

Is my data uploaded?

This tool runs locally in your browser. Input and output are not sent to a processing server. Copy or download your result before leaving the page.