I would recommend checking out this page for some useful ideas on recovering the data: https://help.ubuntu.com/community/DataRecovery
I find it hard to believe that soda would damage a partition table on an SD card. Perhaps there is soda residue on one or more of the contacts that the reader in your laptop touches but the one in your medical device aligns slightly different, thus not having an issue with it. The fact that the medical device now cannot read it, gives even more credence to this theory. Here is what I would do. Perform a DD backup using ddrescue then clean the SD card contacts with a toothbrush and distilled water. Let it dry in a container with desiccant or rice, overnight. Try it out again and see if it works. If not than you have lost nothing and can always try to recover the data from the backup you made. If you just want to try getting the card to work and give up on the data I would try the following (It has worked on a number of thumbdrives I have had issues with). Cat /dev/zero to the sd card in the /dev/. This will overwrite the entire card, partition table and all. Then try using parted to create a new partition table and then let your medical device perform a format on it. One word of caution though, be VERY careful with using cat or ddrescue, if you give the wrong target, you may end up overwriting a harddisk! Just be very sure before you hit enter. If you want to be paranoid, create a VM and do the work through there, then the worst thing you can do is screw up the VM. :) Not that I have ever had that happen or anything... ;) Good luck, Jason On Mon, Jul 28, 2014 at 3:30 PM, John Jason Jordan <[email protected]> wrote: > On Mon, 28 Jul 2014 12:59:07 -0700 > Steve Dum <[email protected]> dijo: > > >I suspect your device falls in the same category as many camera sd > >cards. They expect you to format the drive with their software, and > >assume thereafter exactly one format, the one they created. The > >format is 'close enough' to allow other devices to read it, but maybe > >not exactly what the device uses. Since the device 'knows' the > >format, it ignores the partition table and just writes data, assuming > >it knows what the format is. linux requires the partition table to > >figure out what to do. Many photo apps now refuse to delete pictures > >off cameras because of this. > > > >It looks like the soda episode managed to corrupt the partition table. > > When I inserted the card into the medical device last night the device > couldn't read it at all. It even refused to reformat it. I think it is > safe to say that the card is now toast. > > Luckily I have a spare, which is working fine. I lost a few days data, > but that is merely an annoyance. I need to get a new spare, though. > Wonder if Free Geek has any plain regular size SD cards. > _______________________________________________ > PLUG mailing list > [email protected] > http://lists.pdxlinux.org/mailman/listinfo/plug > _______________________________________________ PLUG mailing list [email protected] http://lists.pdxlinux.org/mailman/listinfo/plug
