It's my secind pi first was pi 1b the secind is pi 3 W dniu wtorek, 1 listopada 2016 Daniel Rich <wwwdr...@gmail.com> napisał(a):
> To be honest, that sounds like a bad Pi, not a bad SD card. The Pi is > fairly tolerant of power issues, I have run them off of USB cables > connected to other systems, USB wall power adaptors, and even POE adaptors > with never a problem like the one you are seeing. > > The only thing that comes immediately to mind is to make sure you don't > have swap enabled in your system. In general, you never want to run > anything on a Pi that uses enough memory to cause swapping -- both for > performance and SD write issues. The kind of writes that weewx does for the > sqlite database and logging shouldn't cause enough write traffic to hit the > SD write limits for several years (there is a really good article from a > couple of years ago on the myth of SD write limitations, I'll see if I can > dig it up and post it to the list). > > In all my years of using SD cards in various devices (PoGoPlug, Pi, an old > firewall I have since retired, assorted tablets, etc.), I have only ever > had a single card failure -- and that was from a bad card, not any sort of > write limit being reached. > > On Monday, October 31, 2016 at 8:25:43 AM UTC-7, Jacek Skowroński wrote: >> >> I mean crash of the rasbperry Pi >> >> and many errors like kernel panic connected with the filesystem >> >> Few times I had tried to get card to the PC with knoppix and do fsck to >> repair filesystem but all trials make the data corrupted -> I gave up and >> bougth new card and system was working for some time. >> >> At the begining I thought it's a case of power / stability of power. >> >> For about 6months I have PiUPS and APC UPS, APC is mainly for making the >> power more electric user friendly and to keep power for 5minutes. PiUPS is >> for keeping power for 30minutes and then to clearly poweroff. From this >> time - I have 100% power on, but on Saturday second card failed. I get mail >> from WU about no data from station, I attached tv to the Pi and I had seen >> kernel panic because of filesystem. >> >> This is my problem. >> >> W dniu 2016-10-31 o 16:19, Daniel Rich pisze: >> >> Jacek, >> >> When you say you are seeing "corruption", what do you mean? In my >> experience SD card failures typically show as write or read failures, but >> not data corruption. >> >> Like Thomas, I have PI systems that have been running for over two years >> with no SD card failures. As long as you don't do something like enable a >> swap partition and run so much on the PI that you cause swapping, there >> shouldn't be enough data activity to hit any of the SD write limits for >> several years. >> >> --- >> Dan Rich <dr...@employees.org> | http://www.employees.org/~drich/ >> | "Step up to red alert!" "Are you sure, >> sir? >> | It means changing the bulb in the sign..." >> | - Red Dwarf (BBC) >> >> On 2016-10-31 05:36, Jacek Skowroński wrote: >> >> I had 5 already >> >> toshiba claas 10 >> samsung evo pro >> sandisk extreme >> sandisk ultra >> Intenso claas 10 >> >> in general all get corrupted after 3-4 month >> >> all cards had been 16-32gb >> >> W dniu 2016-10-31 o 13:34, Thomas Keffer pisze: >> >> I've been running an experiment >> <http://www.threefools.org/weewx/status/index.html> on how long an SD >> card can survive in the weewx environment. >> >> So far, using a Sandisk Extreme Plus, it's been running nearly 2 years >> without a problem. >> >> If you buy a good one, it can last quite a long time. >> >> What kind of card are you using? >> >> -tk >> >> >> >> On Mon, Oct 31, 2016 at 4:11 AM, Jacek Skowroński <yac...@gmail.com> >> wrote: >> >>> great, I will update my environment with hdd. >>> >>> Regards >>> Jacek >>> >>> W dniu 2016-10-31 o 12:09, Andrew Milner pisze: >>> >>> Yes, they work. I use a powered usb hub because the rpi usb is somewhat >>> flakey - and my fineoffset weather station is also going to the rpi via a >>> powered usb hub. >>> >>> >>> On Monday, 31 October 2016 11:56:48 UTC+2, Jacek Skowroński wrote: >>> >>>> Have You tried and it work? Could You recommend any certain HDD model >>>> and usb-hdd adapter model? Does it need external power connector? >>>> >>>> On Monday, October 31, 2016 at 10:39:57 AM UTC+1, gjr80 wrote: >>>>> >>>>> Hi again, >>>>> >>>>> As usual Google is your friend - search for 'boot raspberry Pi from >>>>> USB disk' and you will find a plethora of replies, many of which have >>>>> tutorials or links to tutorials. >>>>> >>>>> Gary >>>>> >>>> -- >>> 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/to >>> pic/weewx-user/atRpRzKrlyk/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. >>> 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/to >> pic/weewx-user/atRpRzKrlyk/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. >> 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/to >> pic/weewx-user/atRpRzKrlyk/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 a topic in the > Google Groups "weewx-user" group. > To unsubscribe from this topic, visit https://groups.google.com/d/ > topic/weewx-user/atRpRzKrlyk/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > weewx-user+unsubscr...@googlegroups.com > <javascript:_e(%7B%7D,'cvml','weewx-user%2bunsubscr...@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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