Error mounting /dev/sdi at /media/ubuntu/disk: Command-line `mount -t "auto" -o "uhelper=udisks2,nodev,nosuid" "/dev/sdi" "/media/ubuntu/disk"' exited with non-zero exit status 32: mount: /dev/sdi is write-protected, mounting read-only
mount: wrong fs type, bad option, bad superblock on /dev/sdi,
       missing codepage or helper program, or other error

       In some cases useful info is found in syslog - try
       dmesg | tail or so.