DellSMC comes in windows and linux version. Linux is .rpm version. To install it on debian system you need to convert it to .deb package. Download DellSMC and extract it: wget https://downloads.dell.com/FOLDER04688892M/1/DellEMCStorageClientLinux-126.96.36.199.zip unzip DellEMCStorageClientLinux-188.8.131.52.zip Archive: DellEMCStorageClientLinux-16.
If using prometheus/grafana setup for monitoring you probably used node_exporter for exporting machine metrics. I will show you how to install node_exporter together with perccli utility on xenserver host. Prior to node_exporter 0.15.0 megacli was integrated as collector (only disabled by default) and used