On 5/9/2017 2:24 PM, Styma, Robert (Nokia - US/Phoenix) wrote:
You mention this is a USB drive. Input/output error means something is wrong.
Possibly seriously.
The blkid command should tell you if this is a FAT32 file system or some flavor
of file system. It will also tell you the device being mounted. Eg.
/dev/sdc1
If it is FAT32, you would want to unmount it and plug it into a Windows box and run chkdsk or
scandsk on it. If it has been formatted to a Linux type file system, unmount it and use fsck to
scan the disk for errors with a command similar to "fsck /dev/sdc1". Again blkid or
"df -k -l" will tell you the device name. Make sure the device is unmounted when you run
fsck or bad things will happen to your data.
You might also want to try "smartctl -a /dev/sdc"
This will give you warnings if the disk is beginning to fail.
Again, I am using /dev/sdc as an example.
also, dmesg | grep sdc
to see what physical errors were logged. (replacing sdc with whatever
the physical device name is, without any partition number).
--
john r pierce, recycling bits in santa cruz
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