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      docs/distributed/README.md

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docs/distributed/README.md
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# Distributed Minio Quickstart Guide [![Gitter](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/minio/minio?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge) [![Go Report Card](https://goreportcard.com/badge/minio/minio)](https://goreportcard.com/report/minio/minio) [![Docker Pulls](https://img.shields.io/docker/pulls/minio/minio.svg?maxAge=604800)](https://hub.docker.com/r/minio/minio/) # Distributed Minio Quickstart Guide [![Gitter](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/minio/minio?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge) [![Go Report Card](https://goreportcard.com/badge/minio/minio)](https://goreportcard.com/report/minio/minio) [![Docker Pulls](https://img.shields.io/docker/pulls/minio/minio.svg?maxAge=604800)](https://hub.docker.com/r/minio/minio/) [![codecov](https://codecov.io/gh/minio/minio/branch/master/graph/badge.svg)](https://codecov.io/gh/minio/minio)
Minio in distributed mode lets you pool multiple drives (even on different machines) into a single object storage server. As drives are distributed across several nodes, distributed Minio can withstand multiple node failures and yet ensure full data protection. Minio in distributed mode lets you pool multiple drives (even on different machines) into a single object storage server. As drives are distributed across several nodes, distributed Minio can withstand multiple node failures and yet ensure full data protection.
@ -12,7 +12,7 @@ Distributed Minio provides protection against multiple node/drive failures and [
### High availability ### High availability
A stand-alone Minio server would go down if the server hosting the disks goes offline. In contrast, a distributed Minio setup with _n_ disks will have your data safe as long as _n/2_ or more disks are online. You'll need a minimum of _(n/2 + 1)_ ([Quorum](https://github.com/minio/dsync#lock-process)) disks to create new objects though. A stand-alone Minio server would go down if the server hosting the disks goes offline. In contrast, a distributed Minio setup with _n_ disks will have your data safe as long as _n/2_ or more disks are online. You'll need a minimum of _(n/2 + 1)_ [Quorum](https://github.com/minio/dsync#lock-process) disks to create new objects though.
For example, a 8 nodes distributed Minio setup, with 1 disk per node would stay put, even if upto 4 nodes are offline. But, you'll need atleast 5 nodes online to create new objects. For example, a 8 nodes distributed Minio setup, with 1 disk per node would stay put, even if upto 4 nodes are offline. But, you'll need atleast 5 nodes online to create new objects.
@ -41,11 +41,13 @@ Below examples will clarify further:
Example 1: Start distributed Minio instance with 1 drive each on 8 nodes, by running this command on all the 8 nodes. Example 1: Start distributed Minio instance with 1 drive each on 8 nodes, by running this command on all the 8 nodes.
``` ```
$ export MINIO_ACCESS_KEY=<ACCESS_KEY> $ export MINIO_ACCESS_KEY=<ACCESS_KEY>
$ export MINIO_SECRET_KEY=<SECRET_KEY> $ export MINIO_SECRET_KEY=<SECRET_KEY>
$ minio server http://192.168.1.11/export1 http://192.168.1.12/export2 $ minio server http://192.168.1.11/export1 http://192.168.1.12/export2
http://192.168.1.13/export3 http://192.168.1.14/export4 http://192.168.1.15/export5 http://192.168.1.16/export6 http://192.168.1.13/export3 http://192.168.1.14/export4 http://192.168.1.15/export5 http://192.168.1.16/export6
http://192.168.1.17/export7 http://192.168.1.18/export8 http://192.168.1.17/export7 http://192.168.1.18/export8
``` ```
![Distributed Minio, 8 nodes with 1 disk each](https://raw.githubusercontent.com/minio/minio/master/docs/screenshots/Architecture-diagram_distributed_8.png) ![Distributed Minio, 8 nodes with 1 disk each](https://raw.githubusercontent.com/minio/minio/master/docs/screenshots/Architecture-diagram_distributed_8.png)
@ -53,6 +55,7 @@ http://192.168.1.17/export7 http://192.168.1.18/export8
Example 2: Start distributed Minio instance with 4 drives each on 4 nodes, by running this command on all the 4 nodes. Example 2: Start distributed Minio instance with 4 drives each on 4 nodes, by running this command on all the 4 nodes.
``` ```
$ export MINIO_ACCESS_KEY=<ACCESS_KEY> $ export MINIO_ACCESS_KEY=<ACCESS_KEY>
$ export MINIO_SECRET_KEY=<SECRET_KEY> $ export MINIO_SECRET_KEY=<SECRET_KEY>
$ minio server http://192.168.1.11/export1 http://192.168.1.11/export2 $ minio server http://192.168.1.11/export1 http://192.168.1.11/export2
@ -63,6 +66,7 @@ http://192.168.1.13/export1 http://192.168.1.13/export2
http://192.168.1.13/export3 http://192.168.1.13/export4 http://192.168.1.13/export3 http://192.168.1.13/export4
http://192.168.1.14/export1 http://192.168.1.14/export2 http://192.168.1.14/export1 http://192.168.1.14/export2
http://192.168.1.14/export3 http://192.168.1.14/export4 http://192.168.1.14/export3 http://192.168.1.14/export4
``` ```
![Distributed Minio, 4 nodes with 4 disks each](https://raw.githubusercontent.com/minio/minio/master/docs/screenshots/Architecture-diagram_distributed_16.png) ![Distributed Minio, 4 nodes with 4 disks each](https://raw.githubusercontent.com/minio/minio/master/docs/screenshots/Architecture-diagram_distributed_16.png)

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