[Wylug-discuss] SD Card Formatting

[borph at gmx.de]

I had the same problem! After the card had problems in more than one
computer, I tracked it down to the Micro-SD card adapter (to put it in
a standard slot). Just took another adapter and it worked, strange.
Peter

2012/5/8 John <john at clip-4-win.co.uk>:
> On Tue, May 08, 2012 at 01:37:03PM +0100, Smylers wrote:
>> Paul Brook writes:
>>
>> > >   $ sudo mkfs -t vfat /dev/mmcblk0
>> >
>> > That's the whole device, not the partition.
>>
>> Thanks. What should I have typed?
>
> On a related note, I use sfdisk (you might prefer cfdisk or fdisk)
> to list a drive's partitions so I know how it started out (before I
> foul it up).
>
> sfdisk can do this in a form (option -d) which you can give back to it
> subsequently to recreate the partition structure.
>
> Sadly if you've overwritten the structure this mail will only be of
> future use!
>
> You can also dd the first few blocks (or whole drive) to a file to
> save the partitioning data, crude though this way is (and it helps to
> know how many blocks).
>
> John
>
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