I am infact on lookout for a good USB powerbank to use as UPS. I am using Xiaomi which supports pass through charging but glitches during transition. I read that EasyAcc is good but it is turning out to be as costly as the pi itself! :)
On Monday, 29 January 2018 17:07:47 UTC+5:30, Andrew Milner wrote: > > Your decision!! Personally I prefer my rpi to have a hdd when it is being > used as a 'real' computer, and a decent power supply helps with usb > issues. The rpi can be finicky and temperamental where power is > concerned. Everyone has their own 'solution' though, so i do not argue!!! > > > On Monday, 29 January 2018 13:24:39 UTC+2, Praveen Chandrasekaran wrote: > >> 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 <pravee...@gmail.com >>> > 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 < >>>>>>>>> pravee...@gmail.com> 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 weewx-user+...@googlegroups.com. >>>>>>>>>> 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 >>>> weewx-user+...@googlegroups.com. >>>> 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. 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