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SD (Secure Digital) cards and their associated SC/HC/XC technologies are the primary storage medium for the Raspberry Pi. The Pi Models A and B use SD Cards, and new models use Micro SD. SD cards are non-volatile flash memory.

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read from sd card using lpc2378 using spi

How to read from sd card using lpc2378 using spi? I am looking for specific registers which have to be configured ? There is no separate topic for arm since rpi is based on arm microcontroller I am ...
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30 views

Raspberry Pi SD in RAID1 with a USB-Stick

I am using my raspi for my smart home monitoring and I don't want any system crashes because the SD card fails. So is there a way to build a raid 1 with the SD card + an additional USB stick (or maybe ...
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60 views

Move rootfs to USB disk and use minimal SD card

I'm running Raspian on RPi3 from a 16GB SD card. Now I try to use a SSD connected by USB to hold the root / partition and copy the /boot partition to a smaller SD card that is 512MB. I can't get it ...
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25 views

Raspberry pi Boot issue

I am using Raspberry pi 3 B+ model with Integral 16GB microSD Card. Sometimes the raspberry does not boot at all and when I copy bootcode.bin file to the SD Card it boots up fine. Again after some ...
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27 views

Can I use the sd card in my pi 3b+ in my zero w?

I was wondering is I can use the sd card I use in my Pi3B+ in my Zero W? Let me know! I can always experiment and let you know. Thank you!!
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86 views

How to make incremental backups from Raspberry Pi SD-Card on Windows?

I'm using Win32 Disk Imager to make backups from my SD-Card, but Win32 Disk Imager can only make full backups, that's using too much disk space.
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128 views

How does any file system REALLY work on a Raspberry Pi SD card?

I am surprised by the large amount of data I'm writing to the root partition in a Raspberry Pi. My applications and system logs are not writing that much. I use the usual tricks to reduce it. What's ...
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43 views

Can start Pi but getting read-only file system

I tried: mount -o remount, rw / - it says write-protected fsck - also not helped but no errors And nothing of this not helped. Any ideas? Note: i can write and format microsd when it plugged to my ...
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80 views

“Write error (disk full?)” when trying to unpack NOOBS on to an SD card

The raspbian fails to load. Tried to unpack NOOBS archive file but received error insufficient space sudo unzip noobs282.zip ... inflating: os/Raspbian/root.tar.xz os/Raspbian/root.tar.xz: write ...
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71 views

Wlan0 interface disappears after overclocking sd card

When I add dtoverlay=sdhost,overclock_50=80 to the /boot/config.txt and reboot my PI3 the wlan0 network interface disappears. When I roll back the change wlan0 comes back as well. I apply this change ...
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2answers
197 views

Raspberry Pi 3 returns input/output error and crashes system when trying to update on 64GB card

I'm trying to set up my Raspberry Pi with a 64GB micro-SD card using the image file 2018-04-18-raspbian-stretch-lite. Every time I try to update or install software on the card, the system gives me ...
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2answers
51 views

Shutting down quickly (And safely)

I'm currently writing a research paper on the power consumption of a raspberry pi 3 and a raspberry pi zero wireless. One question I have as far as shutdown goes (I'm trying to achieve a powered off ...
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89 views

Recovery of SRM save game file from Retropie corrupt SD card

I've been googling at this all night and have found multiple conflicting methods of recovering/formatting/saving corrupt SD cards but i'm a complete n00b with both Raspberry Pi and Linux. Basically ...
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1answer
92 views

Detect an SD card that became read-only

Recently my SD card died, becoming permanently locked in a read-only state. I realized it a few weeks after the fact, when I saw that files I would create disappeared after a reboot. Of course, all ...
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2answers
49 views

RPi SD 'sync' time [closed]

It seems that the RPi does not necessarily write data to the SD very promptly and data loss can occur if the power is pulled after a write operation; even after a few minutes or longer. this can be ...
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123 views

RPi 3B+ Does not boot after first time, not reading SD card (RLED ON, GLED OFF). Works on RPi A+

I've got a problem with my Pi3 B+ not reading my microSD card on boot (Red LED ON, Green LED OFF). The microSD I am using is a SanDisk U1A1-SDSQUAR-016G-GN6MA. I prepped the SD card with NOOBS and ...
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16 views

How do I save my retro pi saves without a PC?

My Retro Pi SD card (a sandisk ultra 64 gb) cannot be read by my pc without reformatting (which would delete everything on the card). However, my Raspberry Pi 3 Model B can read the card and play the ...
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2answers
149 views

About to buy my first Raspberry Pi; what should I look for in an SD card?

I am going to purchase a Pi 3 B+ (probably from Element 14). I have been reading about SD card "Wear Leveling". Do all the reputable (Samsung EVO, etc) use some form of wear leveling? I read ...
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1answer
247 views

Samsung 128GB EVO Plus File System problems

I just received my first RPi 3B+ board today and have tried to use it with a Samsung EVO Plus 128GB u3 card I downloaded Raspbian Stretch Lite (June 2018) and used Etcher to flash the cards. After ...
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1answer
60 views

Win32DiskImager working with compressed files

Win32DiskImager is a cool tool on Windows except: we have to manually extract the ZIP file and then flash it, and then delete the ZIP it doesn't seem to work in command-line Is there a way to make ...
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1answer
261 views

Netbooting multiple “workers” RPi from a “master” RPi

My question is, I believe, a little bit complex, and I think it would be better to fully describe what I have and what I want to achieve, with what I am able to do. What I have I have a group of ...
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24 views

Expand file sytem only to certain size of sd card

Is it possible to expand the file system only to a certain amount? I guess everyone is familiar with the following problem: You start with for e.g. an 8 GB sd card. Expand the file system and when ...
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37 views

My Raspberry PI hangs after searching for files on the SD card

Strange issue here: when performing simple file search under "/" or issuing du command on large folders, my RPi's OS dies and needs hard restart. For example: * find / -name "index.html" * du -s /usr ...
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119 views

Hardening a raspberry pi 3B

I have a Raspberry Pi 3B+, running NOOBS. I'm using it for home automation, and it's important to me that it never fail (or if lightning fries it, that it be trivial to swap in a new one. Downtime is ...
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66 views

Raspberry Pi 3B processor and SD card overheat

I was using a Raspberry Pi Model 3B in my smart home system for about half a year now, which means it was powered around the clock - without any issues. Yesterday, both of my living room lights (one ...
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136 views

Red light, no green light, SD works on other Pi

Raspberry Pi 3B+, only 10 days old, running latest Raspbian and kernel. Mainly connected to TV via HDMI. Suddenly turns off today, and can’t be revived. Constant red light, no green light. Tried ...
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52 views

Syncing to SD Card is too slow

I'm writing some bytes to the filesystem. Afterward I'm calling sync to ensure the buffered data is flushed to the SD card. This command takes several seconds! I'm working with raspbian. My SD Card ...
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18 views

Is it normal that sync() from unistd.h takes multiple seconds

When a user performs some setup via a Web GUI, I'm calling sync() to ensure the setup changement is immediately saved to the SD Card. (I'm doing this because the user sometimes switches off the power ...
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1answer
52 views

SD card is playing hide-and-seek on I/O errors

I had a power outage that left my RPi behaving strangely - hanging after specific set of command and similar. I have removed the SD card, plugged it via SD card reader to my computer, mounted and ...
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33 views

sd card write on Windows 10 Pro 64 failed

I try to write my RaspI SD Card on win10 using Etcher-Setup-1.4.4-x64.exe and 2018-04-18-raspbian-stretch-lite.img image. Write and verify looks good, but Raspi 2 Model B don't boot. I get no error. ...
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32 views

How to save session in Raspberry Pi?

I am currently running Raspbian on Raspberry PI 3 and the SD memory card I've been using as hardrive on my pi is somehow got damaged probably from using it for a very long time. Whenever I boot or ...
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31 views

SD Card as storage (Not boot) drive

I currently have my RPi3 booted from a usb flashdrive, I am wondering if it is possible to use an sd card as the mass storage option, without it being the boot drive. thanks! -Dan
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1answer
98 views

A full bitcoin node using Raspberry Pi 3

This would be my first attempt at purchasing and using the pi for any use-case. I am attempting to build a full bitcoin node using raspberry pi (which is I/O heavy). I plan to purchase the a.) ...
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1answer
124 views

dd failed with 'illegal numeric value'

I am following the instructions here https://developer.ubuntu.com/core/get-started/installation-medias to prepare an OS image on the sd card. I ran the following command: xzcat ~/raspberry-pi/ubuntu-...
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283 views

How to format a corrupted SD Card

I was writing something to the SD card at one point and I disconnected. Unfortunately I am unable to boot into Raspbian now as it will simply boot loop and when I tried to use the tools Gparted ...
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69 views

Fried SD card help

So I'm in a bit of a pickle here and am hoping someone here can give me some good advice. Recently my RaspberryPi model 3 stopped working and the SD card was getting terribly hot. I figured the Pi had ...
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1answer
512 views

Edit system files on windows or linux [duplicate]

i've messed up the /etc/profile file and now i can't login to the rpi. Is there a way to edit this file on windows or linux ?
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1answer
32 views

Raspberry Pi not letting me write on SD card

I seem to be having trouble with my Raspberry Pi as it won't let me write files on an inserted SD card. I am trying to create a SD card eraser (When a card is inserted, it erases). I have tested many ...
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1answer
31 views

How many SD card insertions/ejections does an average socket tolerate?

I notice that there are a lot of question that allude to SD card and/or slot problems. Some say their Pi suddenly quits booting, etc. So my question is: How many SD card insertions/ejections does ...
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38 views

modified files on boot partition being reset after first boot

I am trying to perform a headless setup of a raspberry pi zero W, which involves creating some new files in the boot partition of the SD card before putting it into the pi (wpa_supplicant.conf and ssh)...
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1answer
400 views

Has anyone successfully installed Tensorflow on Raspberry pi zero version 1.3 or can provide a downloadable SD card image of it?

I would like to install Tensorflow’s object detection on the Raspberry pi zero. The nearest I have got to complete information is Pete Warden's blog, however when pip installing the wheel file it just ...
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1answer
106 views

Backup of SD image on Mac could not be written back to same-size SD: too large

I've built a beautifully crafted SD card for my application using a Raspberry Pi Zero. Before shipping it to my customer I've made a backup. What I did on my Mac BookPro is Open DiskUtility Menu `...
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59 views

Modbus TCP server populated with values from NRF24L01+

I currently have the Raspberry Pi 3 collecting data from different sensors using a network based in Arduino Nanos and NRF24L01+. Raspberry being the master and the Nanos being the slaves. All of this ...
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1answer
174 views

Can't get past rainbow screen with Kali install process

I am new (to all of this, Pis, Linux, etc). This is my first real attempt at working directly with hardware as well. I needed a new project so I got a Canakit started set which came with a Raspi 3B+,...
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761 views

resize2fs: Device or resource busy while trying to open /dev/mmcblk0p3

I need to duplicate SD for RPI, but if I use 32G SD than it might not fit on other 32G SD, so I'm forced to use 16G SD, but than I loose half of the SD size. I followed the instruction in How can I ...
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1answer
370 views

Can I format RaspberryPi-3B+ micro SD and install Recalbox remotely? [duplicate]

Basically i’m asking if I need to buy a micro SD/USB adapter to format the micro SD on my PC (Windows) or if can can count on the Raspberry to connect on its own to my network (WiFi or Eth) and make ...
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51 views

Accidentally removed the sd card while it was running

I am doing university project on RPi, how can I boot the raspbian now? Preferable to keep the data in it as it is very important for the project. Now it has only power led switched on. Please, help
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845 views

Win32diskImager “Not enough space on disk Size: 62652416 sectors. Available: 62333952”

I've been careful to buy the same Samsung 32GB SD cards for all my Rpi3 systems to avoid the dreaded Win32diskImager size error. All of the Rpi images are stored safely in the NAS as .img files. ...
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1answer
37 views

check SD 32 GB properties

checked the capacity of the 32 GB SD card, purchased together with RaspeberryPi 3B and I saw that it gives me only 16 GB, almost totally occupied by the operating system. What should I do to use the ...
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3answers
195 views

Unformatable SD-cards; goto trash?

Some time ago I installed Raspbian and Kali on two microSD-cards. It was also some time ago when I tried to format them - without success. I put them aside. Yesterday I thought I try again. I used a ...