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In V-Ray, DR is done completely through TCP/IP protocol, which is the standard protocol of the Internet and thus the most common protocol that is supported by the hardware. V-Ray itself does not need an additional file or directory sharing to perform DR. However, you might need some file/directory sharing for the bitmaps or other additional files used during rendering. The distribution management is divided into a render client and one or more render servers. Please note that if you are using a V-Ray version previous to V-Ray 5, render clients and render servers would be found under different names.
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A render server is one of the computers in the network that does the rendering work. A render server requests render data from the render client, processes it, and sends the result back. In any DR job, there can be many render servers.
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To use the distributed rendering feature, you need to have V-Ray for Maya installed on the Render Client and as well as V-Ray Standalone running in server mode or V-Ray for Maya (which includes the Standalone) installed on the Render Servers. See the table below for information how to start the V-Ray Standalone on the different operating systemsNote that the V-Ray and Standalone versions on the server and client must match. Check the Installation page for instructions on how to install V-Ray.
If you are installing V-Ray through a portable installation on the Render Servers, you need to unpack the same installation build and set some environment variables. Check the Portable Installation page for more information.
Distributed Rendering Settings
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For information on Distributed rendering settings in Maya, please see the Distributed Rendering Settings page.
Step by Step DR Setup
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1. Set up the render servers. You can do this in different ways, depending on whether you installed V-Ray through a standard installation or through a portable installation.
a. If you used standard installation, start the render servers as specified in the table for each operating system:
| Operating System | How to Start the Render Server | |
|---|---|---|
| Windows | Start Menu > V-Ray for Maya 20xx20nn > Launch V-Ray render server | |
| Linux | /usr/ChaosGroup/V-Ray/ | Maya20NNMaya20nn-x64/vray/bin/vrayserver |
| macOS | /Applications/ChaosGroup/V-Ray/Maya20NNMaya20nn/vray/bin/vrayserver |
To start a Render Server on Linux and macOS after a portable installation of V-Ray and V-Ray Standalone, you need to manually drag and drop the vrayserver file into the terminal. After dropping the file into the terminal, open а new tab in the terminal and drag and drop the vray.bin file. Then use the standard distributed rendering commands, e.g.:
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....../...../vray.bin -distributed=2 -renderhost=127.0.0.1 -sceneFile=some.vrscene |
Note that you the IP used here is just an example IP. Put the IP of your render host here.
Distributed Rendering Settings
For information on Distributed rendering settings in Maya, please see the Distributed Rendering Settings page.
Step by Step DR Setup
1. Set up the render servers. You can do this in two different ways.
a. Start the render servers as specified in the table under Installation Notes.
b. Start the V-Ray Standalone and enter the "vray -server" command in the command prompt.
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*where nn is the number of the Maya version.
Alternatively, start the Standalone by entering the "vray -server" command in the terminal/command prompt. You can either drag-and-drop the executable files in the terminal/command prompt or just write the command.
b. If you used portable installation, use the following commands in the terminal/command prompt:
| Operating System | How to Start the Render Server |
|---|---|
| Windows | unpack_location\maya_vray\bin\vray.exe -server |
| Linux | unpack_location/maya_vray/bin/vrayserver |
| macOS | unpack_location/vray/bin/vrayserver |
Alternatively, start the V-Ray Standalone by entering the “vray -server” command as shown in the preceding step A.
2. Set-up the Render Client. You can do it either through the V-Ray for Maya user interface (you need V-Ray installed for this on the client machine), or you can use V-Ray from a Standalone or V-Ray for Maya in the terminal/command prompt.
a. In the Maya interface, bring forth the Render Settings and in the Settings tab under
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the System rollout click on the Settings button in the Distributed Rendering group. Add all the Render Servers by inputting their IP's in the Add Server name or IP field and click on the Add Server button. You can include or exclude the servers in the list in the current rendering by selecting them from the list and toggling the Change button.
b. In the terminal, connect to the Render Server by using the standard distributed rendering commands in the command prompt/terminal, e.g.:
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vray.exe -distributed=2 -renderhost=127.0.0.1 -sceneFile=some.vrscene - for Windows
vray.bin -distributed=2 -renderhost=127.0.0.1 -sceneFile=some.vrscene - for macOS and Linux |
Note that the IP used here is just an example IP. Put the IP of your render host here.
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DR Check tool
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The DR Check tool can be used to query the state of render servers, the number of processors on the server machine and the V-Ray version of the server.
Location:
Depending on your OS, the vraydr_check executable is located as follows:
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Note: nnnn is the Maya version
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Usage:
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vraydr_check -host=IP -port=num |
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This could mean that either something is blocking the connection, or the server is not running at all on the specified IP address.
Distributed Rendering on macOS via Autodesk Backburner
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Notes
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