peggyopal
Posts: 9
Joined: Tue Jan 30, 2018 4:16 pm

RPi3B+ Occasionally can't read the SD card

Fri Jun 01, 2018 7:37 pm

Current set up:
-Raspberry Pi Model 3B+
-Sleepy Pi 2 attached to GPIO pins
-OS: Raspbian Stretch
-Card Format: FAT32 for boot partition
-Headless

The Raspberry Pi acts as an access point for other Raspberry Pis so they can transfer data between their own personal network to the AP, then the AP will transfer it elsewhere. I have the AP set up so that it's on for 15 minutes every hour (by using the SleepyPi) to accept the data transfer from the Pis. The AP will boot properly in the beginning but at some point, the Pi decides that it can no longer read the SD card and has a solid green and solid red light. Since it can't boot up the Sleepy Pi can't take over and turn off the Pi.

Any ideas?

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HawaiianPi
Posts: 4535
Joined: Mon Apr 08, 2013 4:53 am
Location: Aloha, Oregon USA

Re: RPi3B+ Occasionally can't read the SD card

Fri Jun 01, 2018 8:59 pm

What kind of SD card?

Have you tried different SD cards?

Why not leave the Pi on (they don't use much power)?
My mind is like a browser. 27 tabs are open, 9 aren't responding,
lots of pop-ups...and where is that annoying music coming from?

peggyopal
Posts: 9
Joined: Tue Jan 30, 2018 4:16 pm

Re: RPi3B+ Occasionally can't read the SD card

Mon Jun 04, 2018 2:26 pm

HawaiianPi wrote: What kind of SD card?
SanDisk Ultra 128GB microSDXC UHS-I card.
HawaiianPi wrote: Have you tried different SD cards?
No, I've only used what is made available to me by my employer.
HawaiianPi wrote: Why not leave the Pi on (they don't use much power)?
It runs on battery powers that are attached to solar panels.

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HawaiianPi
Posts: 4535
Joined: Mon Apr 08, 2013 4:53 am
Location: Aloha, Oregon USA

Re: RPi3B+ Occasionally can't read the SD card

Mon Jun 04, 2018 7:10 pm

peggyopal wrote:
Mon Jun 04, 2018 2:26 pm
...
It runs on battery powers that are attached to solar panels.
Based on that information, I suspect your issue is power related.

Is the Pi OS properly shutdown before it's powered off, or does the power simply get cut?

Is the power supply capable of a stable 5V at up to 2.5A (and has it been load tested to confirm that)?

The model 3B+ is the most power hungry Pi to date. Do you really need that model, or could something less power hungry like a Pi Zero W be used?
My mind is like a browser. 27 tabs are open, 9 aren't responding,
lots of pop-ups...and where is that annoying music coming from?

peggyopal
Posts: 9
Joined: Tue Jan 30, 2018 4:16 pm

Re: RPi3B+ Occasionally can't read the SD card

Mon Jun 04, 2018 7:18 pm

HawaiianPi wrote:
Mon Jun 04, 2018 7:10 pm
Is the Pi OS properly shutdown before it's powered off, or does the power simply get cut?
It is, fortunately, getting shutdown properly.
HawaiianPi wrote:
Mon Jun 04, 2018 7:10 pm
Is the power supply capable of a stable 5V at up to 2.5A (and has it been load tested to confirm that)?
I'm assuming it's been load tested to confirm, bought it from buyapi.ca ... But maybe that's my problem..
HawaiianPi wrote:
Mon Jun 04, 2018 7:10 pm
The model 3B+ is the most power hungry Pi to date. Do you really need that model, or could something less power hungry like a Pi Zero W be used?
We were using Pi0Ws but they didn't work nicely with the SleepyPi so we tried using the 3s... This last order they accidentally ordered me 3B+s instead of more 3s... But I was also having issues of the usb keyboard not being recognized by the Pi and I was unable to write in the command line.

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