1
vote
1answer
54 views

Is my SD card physically broken?

I have a 64GB Kingston Micro SD card that I am wondering if could be physically broken since I am completely unable to repair or restore it. I have no data on it to worry about, so I only want to ...
1
vote
0answers
235 views

How to repair SD card that was unplugged during formatting?

I tried to format my SD card on my Windows computer but unfortunately I pulled it out during the process. Now it can't be recognized. I tried to wipe it using disk utility on Mac OS X but after it's ...
0
votes
1answer
125 views

Writing to a UDF WORM SD card in Linux

I'm looking into getting some Sandisk 1GB WORM SD cards for archiving things. I assume they appear to the OS as a block device (they're SD, after all). I noticed that mkudffs supports a worm media ...
0
votes
2answers
462 views

SD card lost filesystem - what happened?

I'm attempting to setup a network with hundreds of fanless (ARM)PCs. Each will have its filesystem on a 32G sd card. The image I'm working with uses Debian 6.x and the card is formatted with EXT2 as ...
0
votes
0answers
284 views

Problems copying to VFAT formatted SD-card

I was going to copy my (mp3-encoded) music files (organized in one directory) to a (vfat-formatted) (micro-)sd-card to use it in my digital audio player (DAP) (on Linux). I used to use the same ...
0
votes
1answer
75 views

Lost files only appear in chkdsk statistics

I'm expreriencing a strange problem with an external SD card which has been mistakenly pulled out from the pc reader. About half of the files seem to have been lost because they do not appear in the ...
0
votes
4answers
92 views

Reiser4: completely disable journaling

How can journaling be completely disabled in a Reiser4 filesystem? I don't see relevant options in mkfs.reiser4, nor in documentations. The goal is to fit the FS into an SD card, where no journal is ...
2
votes
1answer
582 views

16GB SD card showing up as 0 bytes in size, 0 bytes free - Windows 7

I have a fairly new 16GB SD card, my laptop runs Windows 7. I want to experiment using it for ReadyBoost. So this morning I went to delete all the files from it to clean it up. There were many 1000s ...
4
votes
2answers
3k views

How do I shrink an SD Card image?

I imaged a 16 GB SD card using the dd command. The card however, does not have more than 4 GB of data on it across 2 partitions (FAT32 & ext3). I would like to transfer this image on to a 8GB SD ...
3
votes
2answers
2k views

How can I format an SD card with a more robust Linux-usable filesystem with a specific cluster size for better write performace?

Goal: microSD card formatted... for best write performance for use only with embedded Linux for better reliability (random power failures may occur) using an 64kB cluster size I'm using an 8GB ...
6
votes
3answers
3k views

Windows 7 ReadyBoost - What File System To Use With Flash Card/Drive?

NTFS, exFAT or FAT32? I know that FAT32 has a limit of 4GB transfer per file, but is it faster and better than NTFS or exFAT? Since Windows 7 by itself uses NTFS, it remains logical to format flash ...
1
vote
2answers
3k views

Recovering a damaged microSDHC

I just bought from eBay a Kingston 32GB microSDHC that was advertised as defective. The seller said that there could be formatting problems or with transfer of large files. Unfortunately, when I got ...
12
votes
4answers
11k views

Choice of filesystem for GNU/Linux on an SD card

I have am embedded ARM-based system running on an SD card. It's currently Debian GNU/Linux using ext3 as filesystem. As I'm about to reinstall the system, I started wondering about changing to a more ...
0
votes
1answer
436 views

SD card file system gets corrupted after power loss

We have an embedded system running Windows Embedded Standard 7 (SP1 beta) on an SSD hard drive. We log data periodically on a SD card. We had a power loss while the software was running (therefore ...
7
votes
2answers
9k views

what appropriate “Allocation Unit Size” for an exFAT SD card with ReadyBoost

I've brought an 4GB SD card and I'm dedicating it for use by ReadyBoost (on Windows7) Im looking to get the most profit on performance, so i've formatted it with exFAT (as recommended by Microsoft) ...
5
votes
1answer
1k views

MicroSD card getting corrupted for no good reason

I recently bought an MicroSD card online. It's a Sandisk 16GB class 2. However, it has a nasty problem. Every time I fill it with my data, the fat tables get corrupted. I've tried reformatting it, ...
12
votes
4answers
38k views

Reformat SD card to NTFS

I want to reformat a 16 GB SD card to NTFS so that I can use it to transfer large files (larger than 4 GB) from one computer to another easily, but my computer will only allow FAT ...