SD (Secure Digital) cards and their associated SC/HC/XC technologies are the primary storage medium for the Raspberry Pi. SD cards are non-volatile flash memory.

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“Panic:VFS: Unable to mount root fs on unknown-block(179,2)”

When booting my Pi, I get an error that states: "Panic:VFS: Unable to mount root fs on unknown-block(179,2). It's rather annoying, and I've tried lots of various things, I've googled and searched, but ...
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26 views

Why does the raspberry sometimes only reboot when I switch the sdcard in and out

We have come across a strange problem where the raspberry would only reboot when we would power down physical, remove and insert the sd card, and power back up. We have searched the internet high and ...
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76 views

Fix “error in check_disks” on reboot

I have a Raspberry Pi B+ installed on a local store and when power goes randomly off, SD card tends to get corrupted: ***Error in check_disks:could not repair filesystem, dropping to debug shell, try ...
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49 views

make boot disk on disk with failed sectors?

I have several sd micro SD cards that have a failed sector or two. But i don't see why i shouldn't be able to make a boot disk out of them. Unfortunately, dd fails when it encounters a bad sector, and ...
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86 views

Raspberry Pi 2 Model B 1GB not booting - RED and GREEN leds on

I tried almost all the options, but unfortunately I fail to get my Raspberry Pi 2 to boot. At power light is still two LEDs (red + green) and nothing further happens. Power supply - tested 2 x AC / ...
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58 views

Copy Protection, Intellectual Protection and Deployment Issues

After a time with the Raspberry Pi 2 Model B v1.1., i have the following concerns? I know it is focused to enhance vulnerable educational sectors, but it is possible to sell a product, based on the ...
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28 views

Wire a PCB SD card reader to USB or another interface [duplicate]

I have this PCB SD card reader: The pins are GND, 3V3, 5V, CS, MOSI, SCK, MISO, GND. How do I interface it with something else? Is it possible to wire these pins to a USB plug? How? Or another ...
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42 views

Trouble cloning an SD card with Recovery partition, so that it boots

I've been having trouble cloning an SD card so that it boots on the Pi. I'm wondering if having a recovery partition on the source card is an issue or not. The cloning process seems to work fine, but ...
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51 views

How do I make a copy of a NOOBS SD card?

When we install Linux on Raspberry Pi with a NOOBS SD card, the original data on the card is erased as it becomes the storage device for the new system. I have just bought a 16Gb NOOBS SD card, and I ...
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37 views

GParted end Kernel panic

I have copied my 8GB NOOBS SD card with Win32DiskImager to a 16GB SD, but the Pi can only access less than a GB afterwards. Then I downloaded GParted-live-0.20.0-2-i486. When I insert the Boot CD and ...
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21 views

can't make my RPI booting

i m a manupilating RPI B+ for the first time excuse me for my language i m Tunisian and i m having problem with making my RPI works headless ,the first one is i m using win32diskimager to write ...
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95 views

RPI 2 vs RPI B SD compatibility issue

I've been using a Raspbian image with some preinstalled software for digital signage on a RPI B+ and RPI 2 so far. I've been using a common 16Gb SD card, and decided to move to 2Gb industrial grade ...
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1answer
109 views

Reading from SD card all day long, risks?

I've seen several posts about SD card lifespan, however I'm still a bit confused about it. In my case, I have Raspberry Pi B+ running slideshow from image and HD video (~40MB) in OpenELEC/Kodi, all ...
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2answers
63 views

Struggling with installation of Raspbian on sd card from a Windows 8 Machine

I am a first timer asking question here, and also a new Raspberry PI user (well, potential user). So, I bought a new raspberry PI 2 with 16 GB SD Card yesterday. The SD card was without Noobs, so I ...
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35 views

Problem Restoring SD card backup

I have made many successful backups and restores of images using eg : Backup sudo dd if=/dev/rdisk1 of=/Users/rob/Desktop/Backups/rasberry-pi/downstairs.img bs=1m Restore sudo dd ...
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2answers
203 views

How can I wire this SD card reader to RaspberryPi?

I need to add a second SD card reader to my Raspberry Pi (the RPi will be embedded in a box, so I need a user-SD-card reader). Here is what I would like to use: How to wire this to the ...
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2answers
83 views

Is there a Win32 Disk Imager equivalent, or an easy way to create .IMG files with a GUI on Mac OS X?

.IMG files seem to be a very good way to backup and restore Raspberry Pi SD Cards, but as far as I can tell there seems to be no equivalent on the Mac. Maybe?! PS. Please don't tell me to use the ...
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4answers
2k views

Raspberry Pi 2 - Are 64GB UHS-I Class 1 SDXC cards supported?

Raspberry Pi 2 - Are 64GB UHS SDXC cards supported? I'm using a 64GB Hama UHS-I SDXC card formatted with the SD Card Formatter 4.0 with NOOBS 1.4 on it. It doesn't seem to want to boot. I have both ...
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2answers
50 views

Raspberry is not booting up [closed]

I started using my raspberry pi after quite a long time. When i first started it worked for the first two or three times i booted up. But now it has stopped working and what is happening is that the ...
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1answer
20 views

write protect modular plug

In the older version of Raspberry pi, the mollex connector for the SD card has a switch at the base of the connector. If you read about it, this is called a write protect switch, that attempts to ...
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21 views

is SDIO used while the raspbery PI is in operation?

Does the Raspberry PI use SDIO mode during its operation (at all)? Im working on a ghosting capability device... Like clone on command without having to move any hardware.
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2answers
85 views

Problem when transferring to a bigger SD card for my Raspberry PI 2

I bought Raspberry PI 2 and installed some web services on it. I have a fully functional Pi 2 with a 8GB micro SD card. 8GB is not enough so I bought a 32 GB card in order to have more available ...
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3answers
97 views

Writing OpenELEC Image on top of NOOBS

I've ordered a Raspeberry Pi 2, and its sd card came with NOOBS installed. I took no consideration about it and just wrote OpenElec image into it. I did, dd bs=4M if=OpenELEC-RPi2.arm-5.0.5.img ...
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115 views

Can you use a micro SD card from raspberry pi B+ on the raspberry pi 2 model B?

Can you use a micro SD card from raspberry pi B+ on the raspberry pi 2 model B?
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73 views

dd for image backup

My SD card corrupted itself but I have a back up image. The partition table leave 1GB unallocated space at the end so that I can restore to any 8GB memory card regardless of memory fluctuations. ...
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88 views

Safest way to switch off uncleanly

Assuming that I do not have keyboard or ssh access to my Pi, but I do have physical access. What is the safest way to power it off and preserve the SD card? (This is the case if I've just done a ...
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18 views

Too many Read/Write operations corrupts SD card on pi? [duplicate]

I have a new raspberry pi 2 with a kingston 128 GB micro sdxc class 10 card. I was running it as my web server (rasbian + apache + php + mysql), was handling 5-6 requests per second. It was OK for few ...
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1answer
79 views

Pin Prick ACT LED Flashing at 1 second interval

I have a new RPi which has never successfully booted. Initially I tried booting to a 32GB SD card with Raspbian. The RPi showed both the PWR and ACT lights on without flashing. I tried with NOOBS and ...
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59 views

Utilising extra memory on SD card

On system info of OPENELEC i can see that 6,9Gb space is available /dev/mmcblk0p2. I don't know how to refer to this space either from PC or MAC or from within openelec. I am sure it is a stupid user ...
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202 views

fsck crashes when booting from USB

I have set up my Raspberry Pi 2 Model B to boot from a USB flash drive like in this article. Basically, I have burned the Raspbian image to a USB drive, then copied the boot partition to my SD card, ...
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1answer
77 views

Using Noobs on 8 GB SD card not using all space

I have been using Noobs to install Raspbian on a Raspberry B+. I can see that it doesn't use the whole 8 GB of my card. pi@raspberrypi ~ $ df -H Filesystem Size Used Avail Use% Mounted on ...
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32 views

where are rapsian files located?

short story I browse file on SD card from my windows box, but was unable to see any files related to home dir of the new user I create. long story I tought I lost pi's passwd. my first idea was to ...
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2answers
182 views

OpenELEC and Kodi 24/7

I've already read this post. However, they are mainly talking about using Raspberry as a server. I was wondering if it is OK to run Raspberry Pi B+ permanently 24/7 doing slideshows (picture+video), ...
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1answer
4k views

Raspberry PI2 what is the maximum sdcard speed?

The first Raspberry PI could not utilize more speed than approximately a class 6 card. Can the new Raspberry PI2 utilize faster cards like class 10? Or is the IO speed the same towards the sd cards ...
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1answer
30 views

How to export repaired ext4 filesystem to SD card without reinstall?

So I had a Power surge the other day and the ext4 filesystem got currupted.. Now that i've repaired the (ext4) filesystem after exporting it using sudo dd bs=1M if /dev/sde2 >BACKUP.IMG on a ...
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2answers
222 views

How can a read-only SD card get corrupted repeatedly?

I have a Raspberry Pi in a remote location running from a battery charged by a solar panel and having Sleepy Pi starting it in every hour to run for a few minutes to snap some pictures, make some ...
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10 views

40Mhz pulse counting and storing count value [duplicate]

I am new to Raspberry pi. I need to count 40 Mhz continuous pulse for every 100 microseconds and store the count in micro SD card before next cycle starts. The process should run for 24 hours. I am ...
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2answers
404 views

Can I record a 24 hour video on the Raspberry Pi with camera module?

Given that I have an SD card with sufficient capacity, is it theoretically possible to record a 24 hour video with a camera module or is the recording duration limited? Has anyone tried this? Do you ...
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1answer
179 views

Would OpenElec Run Faster Off an External Hard?

I know the Raspberry Pi Requires an SD Card with the files to boot OpenElec up on it, however considering I am using a class 4 SD card with OpenElec on it. Would I see any performance gains from ...
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0answers
34 views

Image Backup size doesn't match size on the card? [closed]

I'm following a tutorial about how to make a backup of my Raspberry PI to another SD Card with rsync... My Raspberry PI has one nginx http server, and a couple of node.js wiki daemons running on it. ...
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1answer
131 views

Can I swap OS SD cards among Raspberry Pi?

I've got several raspberry pi computers. They are the same hardware revisions. If I swap the SD cards amongst them, will the OSes bootup successfully with their respective OS's and software or will ...
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1answer
45 views

How to replace a rootfs with another one?

I have 2 sd cards, one with raspbian and one with debian builds. I need to replace the rootfs in my raspbian sd card with the one in my debian sd card. How can I do this? And, what are the changes ...
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1answer
72 views

RetroPie no HDMI output and “The disk you inserted was not readable by this computer”

I'm trying to install RetroPie onto my RP, it already worked with the OS it came with before trying this. I formatted the SD card altogether first and then after expanding the disk image using dd to ...
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3answers
96 views

Can't find the right SD card slot

I just got a Raspberry Pi B+ with a NOOBS SD card, but I can't find the SD card slot. I found the micro SD slot on the bottom of the Pi, but my SD card won't fit. Where do I connect it?
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191 views

Cloning SD card causes “interface eth0 does not exist”

I have cloned my raspberry pi SD card after customising the OS. However, when I try to boot it on a different pi, everything appears fine, but eth0 doesn't show up in ifconfig. When I try 'ifup eth0', ...
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16 views

Put sdcard as write only with berryboot

Im using berryboot, and I want to put SD as write only to avoid corruption, as it only uses pen drive for the system
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1answer
320 views

Rpi+, OpenElec, 64gb micro SD and PiDAC+

I have an Raspberry Pi+ that I bought to use as a music server. Initially I tried using a 64gb micro SD card (San Disk Ultra 64 GB Class 10) as a storage medium but that didn't work, so I used an 8gb ...
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1answer
87 views

Is it possible to update SD card image over network [duplicate]

Apologies for my ignorance! I have few Raspberry Pi's in a network attached to a server and every time I make changes to the image I have to write image to all the SD cards again, can that be ...
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2answers
130 views

What steps can be taken to use the Pi as mission critical hardware?

I want to use the Pi as mission critical hardware. I have had a Pi running an informational system for 2 years straight and wanting to try a few more things... What steps can be taken to ensure ...
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2answers
305 views

Can't format my Raspbian SD Card

I used my RPi for a long time and the OS is a mess. I want to do it from scratch and I want to use the SD Card I got along with the Raspberry with Raspbian pre-installed. I downloaded the image and ...