topic Time synchronization between mic and host/ntp-server? in Software Archive

Time synchronization between mic and host/ntp-server?

d06pbiu_e_ — Wed, 08 Apr 2015 09:44:28 GMT

Hello everyone!

I'm using mpss-3.4.3, with External bridge configuration.

Is it possible to synchronize time between mic and NTP-server? Or between mic and host?

The coprocessor takes its

Frances_R_Intel — Wed, 08 Apr 2015 16:32:22 GMT

The coprocessor takes its time from the host at the time of boot but does not run ntpd by default. There are extra rpms in the k1om directory in the MPSS that can be installed on the coprocessor to provide the ntp files if you would like to try it. There are instructions in the MPSS User's Guide telling you how to install rpms from the k1om directory. I haven't tried this myself, unfortunately; so I can't tell you if there are any dragons hiding in the dark here. If you run into any problems let us know.

As root on the host, I just

Mark_L_1 — Tue, 27 Nov 2018 19:23:18 GMT

As root on the host, I just used the following crontab entries to set the time, instead of fiddling with ntpd and extra RPM packages. The clocks on the MICs are very inaccurate, so this is better than nothing.

15 * * * * ssh mic0 date -u $(date -u +%m%d%H%M.%S)
15 * * * * ssh mic1 date -u $(date -u +%m%d%H%M.%S)
15 * * * * ssh mic2 date -u $(date -u +%m%d%H%M.%S)