1. Unfortunately, no. WeeWX expects a device driver. I suppose you could create a dummy device driver that emits empty LOOP packets at regular intervals, but I've never tried that. 2. Would not make any difference. Sqlite does quite well locking around reads and writes. 3. The problem using a database on your LAN is that it exposes yourself to network errors. WeeWX does not do very well recovering from these kinds of errors. It won't crash, but it can drop a record. Still, lots of people have used a database on another machine. Personally, I think the problem of SD card writes is overstated. I have been running an instance of WeeWX <http://www.threefools.org/weewx/status/index.html> on an RPi with a Sandisk Extreme Plus SD card. It has been up for well over 4 years without a disk crash.
-tk On Mon, Jan 21, 2019 at 12:24 PM <kutze...@gmail.com> wrote: > I am currently running weewx (on a Raspberry Pi) inputting data from a > Vantage Vue station, using a sqlite3 database to archive the data. I > publish the generated webpages via an external web hosting service. I want > to set up a development weewx instance on a second Raspberry Pi and point > it to the existing database to get generated output. This would allow me to > have the output from my development instance display current data gathered > from the production instance. But, if I hose my output while making changes > in the development instance, I won't impact the published webpages. > > I'm looking for advice and have a few questions: > > 1. Is there a way to run a weewx instance that skips the device input > (since that will be handled by the production instance) but goes through > the output items a skin would do including generating html pages and > copying them into the public_html directory? > > 2. Is migrating to MySQL a better choice for this kind of setup? I > would think that using MySQL will solve any issues of locking caused > if/when both instances access the database simultaneously (though one is is > reading and writing while the other is only reading). > > 3. I am also thinking of moving the database (and maybe other weewx > directories) to a Synology NAS and mapping those locations to my two weewx > instances to reduce SDCard writes. Are there any significant gotchas or > warnings I should take heed of regarding this? > > phil > > -- > 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+unsubscr...@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+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
