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operations:documentation.ivs.mark5_v2
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operations:documentation.ivs.mark5_v2 [2014/08/06 04:15] Jim Lovell [Starting the Mark5 software] |
operations:documentation.ivs.mark5_v2 [2016/08/02 11:33] (current) Ellen Manning [Check the Mark5 system clock] |
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| Look for an offset (reported in milli-sec) from the the first server listed of about 10 ms or less ((detail on ntpq output can be found here: | Look for an offset (reported in milli-sec) from the the first server listed of about 10 ms or less ((detail on ntpq output can be found here: | ||
| - | [[http://tech.kulish.com/2007/10/30/ntp-ntpq-output-explained/|NTP output explained]])). If there is a large offset, the Mark5 system clock may need resetting. Contact the on-call person for assistance. | + | [[http://tech.kulish.com/2007/10/30/ntp-ntpq-output-explained/|NTP output explained]])). If there is a large offset, the Mark5 system clock may need resetting. Contact the on-call person for assistance. Edit: You can try checking the ''mk5=dot?'', if it is ''syncerr_gt_3'' or ''not_synced'', sync the ''fmset'' on the pcfs computer. This usually solves the problem of a large offset. More information can be found here [[http://auscope.phys.utas.edu.au/opswiki/doku.php?id=operations:documentation.ivs#dbbc_configuration]]. (Can someone confirm this and delete the annonations-Arwin) |
| ===== Synchronising the Mark5 Clock ===== | ===== Synchronising the Mark5 Clock ===== | ||
| Line 58: | Line 57: | ||
| look for ''syncerr_eq_0'', and that the final number is less than ~5 ms. | look for ''syncerr_eq_0'', and that the final number is less than ~5 ms. | ||
| - | If you see something like ''syncerr_gt_3'' then ''fmset'' may need to be run to synchronise the clocks. To do this, open a terminal on pcfs[hb|ke|yg], and type | + | If you see something like ''syncerr_gt_3'' or ''not_synced'' (Edited by Arwin, can someone check this and delete this message?)then ''fmset'' may need to be run to synchronise the clocks. To do this, open a terminal on pcfs[hb|ke|yg], and type |
| <code>fmset</code> | <code>fmset</code> | ||
| When the interface appears, type | When the interface appears, type | ||
/home/www/auscope/opswiki/data/attic/operations/documentation.ivs.mark5_v2.1407298543.txt.gz · Last modified: 2014/08/06 04:15 by Jim Lovell
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