whatisgithub

What is ceph?

tj90241/ceph — explained in plain English

Analysis updated 2026-07-18 · repo last pushed 2024-05-05

Audience · ops devopsComplexity · 5/5DormantSetup · hard

In one sentence

A distributed storage system that pools multiple computers and drives into one storage system, staying available even when individual machines fail.

Mindmap

mindmap
  root((repo))
    What it does
      Pools storage across machines
      Survives drive failures
      Supports object block and file storage
    Tech stack
      C++
      Distributed systems
    Use cases
      Build a cloud storage platform
      Back up data across servers
      Run a private cloud
    Audience
      Cloud providers
      Enterprises
      Research institutions
    Contributing
      Build from source
      Run a test cluster

Code map

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filefunction / class

What do people build with it?

USE CASE 1

Build a cloud platform that offers object, block, or file storage to customers.

USE CASE 2

Back up massive amounts of enterprise data across multiple data centers reliably.

USE CASE 3

Run a private cloud storage system that grows by adding machines as needs increase.

What is it built with?

C++Linux

How does it compare?

tj90241/ceph0verflowme/alarm-clock0verflowme/seclists
Language—CSS—
Last pushed2024-05-052022-10-032020-05-03
MaintenanceDormantDormantDormant
Setup difficultyhardeasyeasy
Complexity5/52/51/5
Audienceops devopsvibe coderops devops

Figures from each repo's GitHub metadata at analysis time.

How do you get it running?

Difficulty · hard Time to first run · 1day+

Requires multiple machines/drives and building from source, production deployment needs cluster-scale infrastructure.

No license information was found in the explanation, though the project accepts contributions under specific licensing and attribution guidelines.

Copy-paste prompts

Prompt 1
Help me build Ceph from source and run a local test cluster following this repo's instructions.
Prompt 2
Explain the difference between Ceph's object, block, and file storage modes and when to use each.
Prompt 3
Walk me through how Ceph automatically recovers data when a drive or machine fails.
Prompt 4
Show me how to contribute a bug fix to Ceph following its submission and licensing guidelines.

Frequently asked questions

What is ceph?

A distributed storage system that pools multiple computers and drives into one storage system, staying available even when individual machines fail.

Is ceph actively maintained?

Dormant — no commits in 2+ years (last push 2024-05-05).

What license does ceph use?

No license information was found in the explanation, though the project accepts contributions under specific licensing and attribution guidelines.

How hard is ceph to set up?

Setup difficulty is rated hard, with roughly 1day+ to a first successful run.

Who is ceph for?

Mainly ops devops.

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