Need help with multiple RRD data points in one check

Hi,

I've stumbled upon a problem I cannot seem to solve myself and hope someone here can help me out...

A custom check I wrote is collecting data from Nvidia GPUs via the nvidia-smi command, the check works great and displays all the relevant data in its message, but I want to create graphs from certain data points too.

Here's my problem: in a server with 8 GPUs, I am collecting 5 different things from each GPU (like Power Draw, Utilisation and so on), these values get saved in a RRD file as well, but only the values from the first GPU.

I want to save a RRD file for each GPU and its values, so multiple data points in a RRD, but 8 different files (one per GPU) and I do not get how I can do this in a xymon check (bash script).

Can someone point me in the right direction here? What am I missing?

Thanks in advance!

Best regards
Christoph