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Changed command line examples (#6149)

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Order for server:disk originally provided wouldn't stripe 
wide and may lead to availability issues.

Also added Short-form examples using {1...n} and a 
warning about {1..2} vs {1...3}
This commit is contained in:
Rob Girard 2018-07-14 08:18:38 -07:00 committed by Nitish Tiwari
parent db26d3c9e2
commit 2a12e694f3
1 changed files with 36 additions and 21 deletions
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docs/distributed/README.md
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@ -48,8 +48,8 @@ To start a distributed Minio instance, you just need to pass drive locations as
- Servers running distributed Minio instances should be less than 3 seconds apart. You can use [NTP](http://www.ntp.org/) as a best practice to ensure consistent times across servers.
- Running Distributed Minio on Windows is experimental as of now. Please proceed with caution.
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 on 8 nodes with 1 drive each (pictured below), by running this command on all the 8 nodes:
![Distributed Minio, 8 nodes with 1 disk each](https://github.com/minio/minio/blob/master/docs/screenshots/Architecture-diagram_distributed_8.jpg?raw=true)
#### GNU/Linux and macOS
```shell
@ -60,6 +60,7 @@ minio server http://192.168.1.11/export1 http://192.168.1.12/export2 \
http://192.168.1.15/export5 http://192.168.1.16/export6 \
http://192.168.1.17/export7 http://192.168.1.18/export8
```
#### Windows
```cmd
@ -71,23 +72,30 @@ minio.exe server http://192.168.1.11/C:/data http://192.168.1.12/C:/data ^
http://192.168.1.17/C:/data http://192.168.1.18/C:/data
```
![Distributed Minio, 8 nodes with 1 disk each](https://github.com/minio/minio/blob/master/docs/screenshots/Architecture-diagram_distributed_8.jpg?raw=true)
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 on 4 nodes with 4 drives (pictured below), by running this command on all the 4 nodes:
![Distributed Minio, 4 nodes with 4 disks each](https://github.com/minio/minio/blob/master/docs/screenshots/Architecture-diagram_distributed_16.jpg?raw=true)
#### GNU/Linux and macOS
```shell
export MINIO_ACCESS_KEY=<ACCESS_KEY>
export MINIO_SECRET_KEY=<SECRET_KEY>
minio server http://192.168.1.11/export1 http://192.168.1.11/export2 \
http://192.168.1.11/export3 http://192.168.1.11/export4 \
http://192.168.1.12/export1 http://192.168.1.12/export2 \
http://192.168.1.12/export3 http://192.168.1.12/export4 \
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://192.168.1.14/export1 http://192.168.1.14/export2 \
http://192.168.1.14/export3 http://192.168.1.14/export4
minio server http://192.168.1.11/export1 http://192.168.1.12/export1 \
http://192.168.1.13/export1 http://192.168.1.14/export1 \
http://192.168.1.11/export2 http://192.168.1.12/export2 \
http://192.168.1.13/export2 http://192.168.1.14/export2 \
http://192.168.1.11/export3 http://192.168.1.12/export3 \
http://192.168.1.13/export3 http://192.168.1.14/export3 \
http://192.168.1.11/export4 http://192.168.1.12/export4 \
http://192.168.1.13/export4 http://192.168.1.14/export4
```
##### Short version of the same command:
```shell
export MINIO_ACCESS_KEY=<ACCESS_KEY>
export MINIO_SECRET_KEY=<SECRET_KEY>
minio server http://192.168.1.{11...14}/export{1...4}
```
#### Windows
@ -95,17 +103,24 @@ minio server http://192.168.1.11/export1 http://192.168.1.11/export2 \
```cmd
set MINIO_ACCESS_KEY=<ACCESS_KEY>
set MINIO_SECRET_KEY=<SECRET_KEY>
minio.exe server http://192.168.1.11/C:/data1 http://192.168.1.11/C:/data2 ^
http://192.168.1.11/C:/data3 http://192.168.1.11/C:/data4 ^
http://192.168.1.12/C:/data1 http://192.168.1.12/C:/data2 ^
http://192.168.1.12/C:/data3 http://192.168.1.12/C:/data4 ^
http://192.168.1.13/C:/data1 http://192.168.1.13/C:/data2 ^
http://192.168.1.13/C:/data3 http://192.168.1.13/C:/data4 ^
http://192.168.1.14/C:/data1 http://192.168.1.14/C:/data2 ^
http://192.168.1.14/C:/data3 http://192.168.1.14/C:/data4
minio.exe server http://192.168.1.11/C:/data1 http://192.168.1.12/C:/data1 ^
http://192.168.1.13/C:/data1 http://192.168.1.14/C:/data1 ^
http://192.168.1.11/C:/data2 http://192.168.1.12/C:/data2 ^
http://192.168.1.13/C:/data2 http://192.168.1.14/C:/data2 ^
http://192.168.1.11/C:/data3 http://192.168.1.12/C:/data3 ^
http://192.168.1.13/C:/data3 http://192.168.1.14/C:/data3 ^
http://192.168.1.11/C:/data4 http://192.168.1.12/C:/data4 ^
http://192.168.1.13/C:/data4 http://192.168.1.14/C:/data4
```
![Distributed Minio, 4 nodes with 4 disks each](https://github.com/minio/minio/blob/master/docs/screenshots/Architecture-diagram_distributed_16.jpg?raw=true)
##### Short version of the same command:
```cmd
set MINIO_ACCESS_KEY=<ACCESS_KEY>
set MINIO_SECRET_KEY=<SECRET_KEY>
minio.exe server http://192.168.1.{1...14}/C:/data{1...4}
```
__NOTE:__ `{1...n}` shown in shortened examples above have 3 dots! Using only 2 dots `{1..4}` will be interpreted by your shell and won't be passed to minio server, affecting the erasure coding order, which may impact performance and high availability. __Always use `{1...n}` (3 dots!) to allow minio server to optimally stripe erasure-coded data__
## 3. Test your setup