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Forum Discussion
NTP Gone MAD
Hi all, I SSH'd into my NAS this morning because nothing seemed to working properly, several restarts, troubleshooting steps and the lot and everything seemed to configured fine but failing to work...
I had the same problem. Switched over to http://www.pool.ntp.org/zone/au as others have done and all is working again.
For anyone interested in working out the time of failure, consecutive timestamps from something I was logging (with ~10-20 seconds between each line) were:
2012-04-08 13:34:10
1992-08-23 13:34:22
I think these are GMT+11 (or GMT+10 — I corrected my timezone in the RAIDiator web admin after this, so if it was somehow obeying daylight savings without my assistance it'd be +10). Though I'm not sure if the ReadyNAS uses ntpd or ntpdate, and not sure what the update frequency might have been...
Anyway, it seems to have just been a change in date, but not the time. According to Wolfram Alpha (link at bottom for the query I used) its almost exactly 1024 weeks between those timestamps... in fact, it's just 12 seconds short, which is likely the actual time between lines in the log ;)
It's a strange error... I'd have expected roll-over on 2^8 or 2^16 not 2^10... and something in seconds, days or years... not weeks. I wonder what the source of netgear's time is... and whether they're using ntpd or something custom...
Wolfram Alpha Query: http://www.wolframalpha.com/input/?i=1992-08-23+13%3A34%3A22++to+2012-04-08+13%3A34%3A10
For anyone interested in working out the time of failure, consecutive timestamps from something I was logging (with ~10-20 seconds between each line) were:
2012-04-08 13:34:10
1992-08-23 13:34:22
I think these are GMT+11 (or GMT+10 — I corrected my timezone in the RAIDiator web admin after this, so if it was somehow obeying daylight savings without my assistance it'd be +10). Though I'm not sure if the ReadyNAS uses ntpd or ntpdate, and not sure what the update frequency might have been...
Anyway, it seems to have just been a change in date, but not the time. According to Wolfram Alpha (link at bottom for the query I used) its almost exactly 1024 weeks between those timestamps... in fact, it's just 12 seconds short, which is likely the actual time between lines in the log ;)
It's a strange error... I'd have expected roll-over on 2^8 or 2^16 not 2^10... and something in seconds, days or years... not weeks. I wonder what the source of netgear's time is... and whether they're using ntpd or something custom...
Wolfram Alpha Query: http://www.wolframalpha.com/input/?i=1992-08-23+13%3A34%3A22++to+2012-04-08+13%3A34%3A10
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