grub-probe - probe device information for GRUB
grub-probe [OPTION...] [OPTION]... [PATH|DEVICE]
Probe device information for a given path (or device, if the -d option is given).
separate items in output using ASCII NUL characters
given argument is a system device, not a path
use FILE as the device map [default=/boot/grub/device.map]
print TARGET available targets: abstraction, arc_hints, baremetal_hints, bios_hints, compatibility_hint, cryptodisk_uuid, device, disk, drive, efi_hints, fs, fs_label, fs_uuid, gpt_parttype, hints_string, ieee1275_hints, msdos_parttype, partmap, partuuid, zero_check [default=fs]
print verbose messages.
give this help list
give a short usage message
print program version
Mandatory or optional arguments to long options are also mandatory or optional for any corresponding short options.
Report bugs to <bug-grub@gnu.org>.
The full documentation for grub-probe is maintained as a Texinfo manual. If the info and grub-probe programs are properly installed at your site, the command
info grub-probe
should give you access to the complete manual.