Raspberry Pi crashed so I had to reinstall WeeWx

[Michael Sanphillipo]

My Pi SD card was corrupted and I had to reload Debian along with WeeWx. I lost a years' worth of data. Is there a way to recover the files and where should I look on my old SD card?

[Tom Keffer]

That sounds like a systems ops question. Try googling for "recovering lost files from sd card" or something like that.

As a last resort, if you posted to the Weather Underground, you can use wee_import to import the data back in.

Next time, make sure you do back ups!

On Sat, May 2, 2020 at 4:55 PM Michael Sanphillipo <sanph...@gmail.com> wrote:

My Pi SD card was corrupted and I had to reload Debian along with WeeWx. I lost a years' worth of data. Is there a way to recover the files and where should I look on my old SD card?

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[gjr80]

Hi,

If you do manage to access your old SD card and if you were using SQLite (the default) to store your data, the file you are after is weewx.sdb (again assuming you used the default) which is in /home/weewx/archive or /var/lib/weewx depending on how you installed WeeWX. Refer to Where to find things in the User's Guide.

Gary

On Sunday, 3 May 2020 10:16:16 UTC+10, Tom Keffer wrote:

That sounds like a systems ops question. Try googling for "recovering lost files from sd card" or something like that.

As a last resort, if you posted to the Weather Underground, you can use wee_import to import the data back in.

Next time, make sure you do back ups!

On Sat, May 2, 2020 at 4:55 PM Michael Sanphillipo <sanph...@gmail.com> wrote:

My Pi SD card was corrupted and I had to reload Debian along with WeeWx. I lost a years' worth of data. Is there a way to recover the files and where should I look on my old SD card?

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[vince]

On Saturday, May 2, 2020 at 4:55:42 PM UTC-7, Michael Sanphillipo wrote:

My Pi SD card was corrupted and I had to reload Debian along with WeeWx. I lost a years' worth of data. Is there a way to recover the files and where should I look on my old SD card?

If you reimaged your corrupt SD card, that data is gone almost certainly....

FWIW, you might want to keep a couple $6 cards around in the future so if it ever happens again, you can install to a clean card and try to get your old data off the messed up one in parallel on a different system.  And as Tom said, do a backup occasionally of at least your weewx.sdb file.

[Michael Sanphillipo]

I was able to recover the weewx.sdb file and copied it over so I'm only missing May 1st and 2nd. Much better than a whole year. Is there a way to edit weewx.sdb?

[Tom Keffer]

I usually use the utility sqlite3. You may have to install it first

sudo apt install sqlite3

Some people like DB Browser for sqlite, although that will require a graphical interface.

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