[nmglug] weird memory card behavior

[nick pitlosh]

facepalm

On Thu, Feb 9, 2012 at 11:25 PM, BrianO'Keefe <okeefe at cybermesa.com> wrote:
> That would be a good tool to have Rob, even though it was a different and
> very simple issue.
>
>
> On 02/09/2012 11:18 PM, Rob Haag wrote:
>
> Also, if you have access to a windows box (and the camera is not formatting
> it for you) HP has a tool for formatting flash memory. This link pops up
> first in a google
> search http://en.kioskea.net/download/download-127-hp-usb-disk-storage-format-tool...but
> I always keep a copy too, if you want I can put it up in my dropbox for
> download (so you could avoid jumping through hoops for a free tool), but
> typically if I find myself using that tool I also find myself throwing a
> 'bad' card away quite soon, to avoid wasting time on it. As Nick says, they
> go bad. The good part is that it's a bit easier to toss bad flash devices
> now that they are so cheap :)
>
> Rob H
>
> On Fri, Feb 10, 2012 at 12:56 AM, Nick Frost <nickf at frostitute.com> wrote:
>>
>> On Feb 9, 2012, at 10:48 PM, Rob Haag wrote:
>>
>> > Check this out
>> > http://activerain.com/blogsview/1239207/memory-card-is-locked-error-message,
>> > this is what has given me the same situation...if the camera won't write to
>> > it then this is the thing to check first. The switch sometimes gets
>> > activated taking the card in/out of a device.
>> >
>> > On Fri, Feb 10, 2012 at 12:42 AM, BrianO'Keefe <okeefe at cybermesa.com>
>> > wrote:
>> > It is fat32 according to disk utility and I can't alter it in anyway
>> > without getting a "read-only" error. I tried with GParted and disk utility.
>> > In disk utility I get the read-only or "the daemon is inhibited". I cannot
>> > format it in the camera without getting the read-only message.
>>
>> As Nick P. suggested…..if the write-protect tab on the SD card is not the
>> culprit the card will likely have to be formatted in the camera once the
>> pictures have been downloaded.   The problem with accessing SD cards
>> directly (via a reader as opposed to the camera being attached to the
>> computer via USB) is that if a write occurs the file system can be altered
>> or damaged causing problems. Cameras usually use FAT16 or 32 but they are
>> not what I would call "normal" FAT16/32 file systems if one looks at them
>> with a disk editor. I've seen this (SD card file system problems after
>> direct access) many times. Usually I recover the photos with PhotoRec
>> (CGSecurity) on the nearest Linux box and re-format the SD card in the
>> camera…..and if that doesn't work it's usually the SD that's gone bad and
>> replacement has solved the issue.
>>
>> -Nick
>> ---------------------------------------
>> Nicholas S. Frost
>> 7 Avenida Vista Grande #325
>> Santa Fe, NM  87508
>> nickf at frostitute.com
>> ----------------------------------------
>>
>>
>>
>>
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>
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