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Re: [DIAGNOSTICADO] Re: [opensuse] Howto reparación - corrupt jpeg arch

To: suse <opensuse@xxxxxxxxxxxx>
Subject: Re: [DIAGNOSTICADO] Re: [opensuse] Howto reparación - corrupt jpeg archivo - cualquier cosa nuevo allí?
From: "David C. Rankin" <drankinatty@xxxxxxxxxxxxxxxxxx>
Date: Tue, 20 Sep 2011 16:00:26 -0500
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En 09/20/2011 03:38 PM, Brian *K. El Blanco escribió:
*Doh... Tan, la tarjeta de SD original desde entonces ha sido *re-escrito? Y todo tienes es
archivos que fueron transferidos mientras el *corrupt la grasa era en efecto? No tienes
un crudo *dd imagen del *sd tarjeta antes de que era *re-escrito?

Si hubiste tampoco el original *sd tarjeta o un crudo *dd imagen de él, entonces *PhotoRec o la herramienta
similar podría haber recuperado muchas imágenes porque escanearía el dato
crudo sin consultar la grasa. Pero que el camino no es disponible si el dato
crudo original es ido y todo tienes es archivos que fueron creados según el
viejo probablemente *corrupt grasa.

Entonces otra vez, si todo eras formato el *sd tarjeta y ha no todavía escrito mucho
a él, quizás *PhotoRec todavía puede recuperar algo de la tarjeta.

Lo conseguiste :) La corrupción no fue descubierta hasta meses después de la corrupción ocurrida y la tarjeta original *re-escrito a mucho tiempo. La razón primaria fue *undiscovered es que el *thumbnails en el *jpeg *headers era bien así que cuándo te mirado en el directorio en *konqueror, gana *explorer, galería2, *etc.. Todas las fotos aparecidas bien. No fue hasta ti probado para abrir la corriente de dato real del *jpeg/*jfif archivo que la corrupción acontecía aparente. Oh Bien -- vivir y aprender y ... Siempre comprobar la imagen real para corrupción antes de eliminar el original :)

Mi *backups es sobre 4 niveles profundos -- el problema único es ... Si el 1*st uno es *corrupt, "vuestro *screwed completamente abajo...."

--
David *C. *Rankin, *J.*D.,*P.*E.
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On 09/20/2011 03:38 PM, Brian K. White wrote:
Doh... so, the original SD card has since been re-written? And all you have are
files that were transferred while the corrupt fat was in effect? you don't have
a raw dd image of the sd card before it was re-written?

If you had either the original sd card or a raw dd image of it, then PhotoRec or
similar tool might have recovered a lot of images because it would scan the raw
data without consulting the fat. But that path is not available if the original
raw data is gone and all you have are files that were created according to the
old probably corrupt fat.

Then again, if all you did was format the sd card and haven't yet written a lot
onto it, maybe PhotoRec can still recover something from the card.

You got it :) The corruption wasn't discovered until months after the corruption occurred and the original card re-written to many times. The primary reason it went undiscovered is that the thumbnails in the jpeg headers were fine so when you looked at the directory in konqueror, win explorer, gallery2, etc.. all the photos appeared fine. It wasn't until you tried to open the actual data stream of the jpeg/jfif file that the corruption became apparent. Oh well -- live and learn and ... always check the actual image for corruption before deleting the original :)

My backups are about 4 levels deep -- the only problem is ... if the 1st one is corrupt, "your screwed all the way down...."

--
David C. Rankin, J.D.,P.E.
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