Fill the /var/log/syslog:
Oct 28 23:55:55 raspberrypi ttn-gateway[2277]: WARNING: [gps] read() returned value 0
Oct 28 23:55:55 raspberrypi ttn-gateway[2277]: WARNING: [gps] read() returned value 0
Oct 28 23:55:55 raspberrypi ttn-gateway[2277]: WARNING: [gps] read() returned value 0
Oct 28 23:55:55 raspberrypi ttn-gateway[2277]: WARNING: [gps] read() returned value 0
master branch raspberrypi 4 rak2287(spi + gps)
Fill the /var/log/syslog: Oct 28 23:55:55 raspberrypi ttn-gateway[2277]: WARNING: [gps] read() returned value 0 Oct 28 23:55:55 raspberrypi ttn-gateway[2277]: WARNING: [gps] read() returned value 0 Oct 28 23:55:55 raspberrypi ttn-gateway[2277]: WARNING: [gps] read() returned value 0 Oct 28 23:55:55 raspberrypi ttn-gateway[2277]: WARNING: [gps] read() returned value 0
~100MB per minute