I think backing up to a USB stick say once or twice in a day should do. Glen has instructions on how to set it up and I do have a lot of USB sticks lying around. That would ensure that on next powerup I dont have to restore more than a day's worth of data.
On Monday, 29 January 2018 16:50:32 UTC+5:30, Andrew Milner wrote: > > I would suggest you have a proper plan on how to cope with a read only rpi > - or maybe even just run the rpi and weewx in a standard configuration > until you know how everything works - especially if you do not have a RTC > installed. Also make sure that you are not running the latest NTP software > which I believe has some form of buffering similar to fake hwclock - but > not quite as bad!! I saw someone mention this in a recent thread in this > forum. > > On 29 January 2018 at 13:14, Praveen Chandrasekaran <[email protected] > <javascript:>> wrote: > >> No idea if it was empty or not. I am not backing it up to an external USB >> ( I know that is very bad!) so I am not sure what would be it contents in >> case of abrupt power down and power up. My setup is only since 2 weeks and >> I am still learning. Need to do some backup plan. >> >> On Monday, 29 January 2018 16:39:55 UTC+5:30, Andrew Milner wrote: >>> >>> The log of the start-up is what is needed. >>> >>> You say the database was empty when you started weewx?? Is that >>> correct?? If it was totally empty then I don't think weewx tries to fill >>> in any gaps - as there are no gaps!! Tom can say if weewx reads history >>> records when weewx starts and the database is empty. >>> >>> >>> >>> On Monday, 29 January 2018 12:40:23 UTC+2, Praveen Chandrasekaran wrote: >>> >>>> One additional detail - my pi is read only mode. On abrupt power down >>>> the latest SQL database may not have been stored. Not sure if that messed >>>> up anything though I believe the pi should have still rebuilt the records. >>>> >>>> Right now I am using ntp with fake hw clock removed, I am planning to >>>> put in a RTC soon. >>>> >>>> Will dig more in the log sometime and also post the log here. >>>> >>>> On Monday, 29 January 2018 15:01:56 UTC+5:30, Andrew Milner wrote: >>>>> >>>>> The log would have shed light on any problems. >>>>> You should not have needed to use any utility at all - what made you >>>>> decide to use wee_database??. >>>>> If you had done nothing weewx would have retrieved records from the >>>>> logger from after the last archive record in its database automatically - >>>>> this sometimes takes some time. On a RPi you should either add a RTC >>>>> module or completely disable the fake hw clock to ensure weewx does not >>>>> start until it has got a correct time from the NTP servers to ensure >>>>> correct automatic operations which are reliant on accurate timestamps >>>>> (such >>>>> as recovery from a power outage). >>>>> >>>>> The log is always the key - and without a log everything becomes >>>>> guesswork and speculation whilst with the log we can be talking actual >>>>> facts!!!! >>>>> >>>>> >>>>> >>>>> On Monday, 29 January 2018 09:57:59 UTC+2, Praveen Chandrasekaran >>>>> wrote: >>>>> >>>>>> Thanks. Will post with all details from next time. For now I did a >>>>>> wee_device --dump and that populated the sql database after which I >>>>>> could >>>>>> update WU with wunderfixer (the summary still has not got updated in WU >>>>>> as >>>>>> per updated records, I can see updated records in graphs and table - I >>>>>> believe that is an issue at WU end and I have filed a bug report with >>>>>> them >>>>>> for the same). Not sure why weewx did not populate the sql on its own >>>>>> though without forcing through wee_device --dump. >>>>>> >>>>>> On Sunday, 28 January 2018 23:22:40 UTC+5:30, Tom Keffer wrote: >>>>>>> >>>>>>> This should happen automatically, but it's hard to say what the >>>>>>> problem is without a log. See *Help! Posting to weeWX >>>>>>> <https://github.com/weewx/weewx/wiki/Help!-Posting-to-weewx-user>*. >>>>>>> >>>>>>> -tk >>>>>>> >>>>>>> On Sun, Jan 28, 2018 at 10:15 AM, Praveen Chandrasekaran < >>>>>>> [email protected]> wrote: >>>>>>> >>>>>>>> Hi, >>>>>>>> >>>>>>>> For some reason my pi went down yesterday morning for 5 hours. I >>>>>>>> tried rebuilding database using wee_database but to no avail. How do I >>>>>>>> import data from data logger to weewx so that I can use wunderfixer >>>>>>>> then to >>>>>>>> publish again to wu? >>>>>>>> >>>>>>>> Regards, >>>>>>>> Praveen >>>>>>>> >>>>>>>> -- >>>>>>>> You received this message because you are subscribed to the Google >>>>>>>> Groups "weewx-user" group. >>>>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>>>> send an email to [email protected]. >>>>>>>> For more options, visit https://groups.google.com/d/optout. >>>>>>>> >>>>>>> >>>>>>> -- >> You received this message because you are subscribed to a topic in the >> Google Groups "weewx-user" group. >> To unsubscribe from this topic, visit >> https://groups.google.com/d/topic/weewx-user/XYmglRBbWrg/unsubscribe. >> To unsubscribe from this group and all its topics, send an email to >> [email protected] <javascript:>. >> For more options, visit https://groups.google.com/d/optout. >> > > -- You received this message because you are subscribed to the Google Groups "weewx-user" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
