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EmonCMS on raspberry and SD capacity

Submitted by jideyf on Fri, 23/08/2013 - 11:15

I am currently using a RPi as Bas station with a 4Gb SD card

EmonCMS works well, I am recording 3 CT and 2 Temp Sensor

So I have 4 Inputs from CTs and 4 inputs from Temp + battery state

These are converted to 4 Feeds (temp + Voltage) every 240s

and 16 Feeds (power / powerday / kWh / Histo) every 20s

I see that my SD card has only 770Mb left, how long will this be enough ?

Could I put the Data on a external usb HardDisk, plugged on the Rpi ?

 

Thanks for your help

Jean-Daniel

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Paul Reed's picture

Re: EmonCMS on raspberry and SD capacity

Submitted by Paul Reed on Fri, 23/08/2013 - 14:25.

Yes you can move the rootfs to an external drive, even a USB pen drive, but have you considered converting your feeds to Timestore? This would significantly reduce your data storage needs and also improve performance.

Paul

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