[DEMUG] SD Camera Disk Repair

[lph]

Suggestions about your SD disk if you have not yet recovered the images.

-Put SD disk back in camera and connect via however you connect to your
computer(what kind? and OS?).  Use Image Capture rather than IPhoto to
download to computer.  You may have to tell "prefs" to use Image Capture to
download from external devices rather than IPhoto.

-Not sure about the PCMCIA card...I assume it is a SD card reader.  If it
mounts the SD disk as an external drive/disk, than you may be able to see
the folders in which your images are contained.  Probably multiple folders
with that size SD disk.  One folder should just have info the camera (I
assume a Canon camera)  needs and the others have your actual images.

I am personally reluctant to use any disk repair software on digital camera
disks because I believe most disk repair software to be programmed for
regular hard drives and such (Driver software being different than SD disks)
but I cannot be certain of that.

Don't take this advice too seriously as I have limited experience with SD
disks.

Hope you managed to recover the missing files.

LPH



"Dwight M. Lanpher" <groupw at lanpherassociates.com> wrote:
 Dear Group:

I have a 1 GB SD Camera disk that is partially corrupt.. probably a bad
format or a bad section of memory. This disk contains the last day of a
vacation in Europe and I would very much like to recover the data.

I am able to see and copy the first 71 pictures off the card but Disk
Utility indicates that there are 512 files on the disk: Get Info indicates
817.8 Mbytes of data on the SD Card but it also indicates that the one
visible folder only has 160.2 MB of data.

Format :    MS-DOS File System (FAT16)
Capacity :   962.4 MB (1,009,128,448 Bytes)
Available :  144.3 MB (151,339,008 Bytes)
Used :         817.8 MB (857,522,176 Bytes)
Number of Files :  512

Disk Verify indicates many errors of the type:

Extend? no
/DCIM/102CANON has entries after end of directory
Truncate? no

Does anyone have suggestions for specific recovery software? I¹ve used Disk
Warrior on hard disks and think that it might be a good candidate for
recovery as it recovers the actual data files and reconstructs the
directory. 

But, I don¹t know whether Disk Warrior can deal with a SD Card. I¹m using a
PCMCIA card to read the disk and it mounts very nicely in Disk Repair.

I¹ve tried making a disk image but only the 71 files appear so I believe
that I¹m going to have to work on the actual disk and not a copy so I don¹t
want to make a mistake. I¹ll probably have only one chance to recover the
data.

Fortunately I used several cards so that I¹ve only lost one day¹s pictures.
But it would be a major expense and another trip to reshoot the pictures and
video so I would be willing to spend some money to recover the data. I
believe it¹s still there and with the right software it should be easily
restored. I would even consider sending out to a data recovery service.

Any suggestions?

---Dwight


Dwight M. Lanpher
Box 472, 1 Summit Road
Northeast Harbor, ME 04662-0472

email: groupw at lanpherassociates.com
voice: (207)276-5350, FAX:(207)276-4067




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