On 08/09/18 16:18, Ralph Corderoy wrote:
Hi Tim,
Well on Linux it does not even list.
You don't say where you looked.
Are there any Linux tools that I can use to see if can find anything
on the card?
Unplug the card/adapter. In one window, run ‘dmesg -HTxw’. Don't worry
too much about what instantly appears.
Connect the adapter with the card. Messages about a new device will
hopefully appear from dmesg, giving a block device name like ‘sdb’.
kern :notice: [Sat Sep 8 15:27:09 2018] sd 2:0:0:0: [sdb] 8184832
512-byte logical blocks: (4.19 GB/3.90 GiB)
In a second window, use ‘sudo -i hexdump -vC /dev/sdb |& less’,
substituting the appropriate block device. Hopefully, data will appear.
Keep an eye on the dmesg output for new relevant lines about problems.
If too many rows of the hexdump are all-zero bytes then drop the ‘v’
from the options to hexdump.
Once it's established you can read bytes then interpreting the bytes
with other commands is the next step.
Cheers, Ralph.
Something strange is a foot, I plugged the adapter into the PC intending
to follows Ralphs instructions and a pop up comes up asking what do I
want to do about the photos (they are video actually) on the memory
stick I had just plugged in. Checked the desktop and there was an icon
for the USB reader, dclicked on it and it listed the contents of the
card. This is what I had hoped for when I tried last time but nothing
appeared on the desktop, could not try anything else as I did not know
what to try.
So while the card is accessible I am copying off a load of videos, then
I was thinking of running the following command on the memory card (see
below) to see if it can find any issue)
fsck /dev/sdd1 -f
Then assuming it finds something wrong rerun the command with the -y option?
But do I format the disk first or not? I have taken all the data off the
memorycard I want (file format is fat32). Which ever way I format it the
card will be reformatted in the camera (assuming it proves to work) as I
prefer to format memory cards with the device that is going to use it.
Tim H
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