HDD read only error

This can be fixed by remounting the harddrive

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mount -o rw,remount -force /media/copiasdiscousb/ /dev/sdc1
or
mount -o rw,remount /media/copiasdiscousb/ /dev/sdc1
or
mount -o rw,remount -force /media/copiasdiscousb/
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If it is not fix the problem then we need to run a fsck and reboot(optional)