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grub: Invoking grub-probe

 
 29 Invoking grub-probe
 **********************
 
 The program 'grub-probe' probes device information for a given path or
 device.
 
      grub-probe --target=fs /boot/grub
      grub-probe --target=drive --device /dev/sda1
 
    'grub-probe' must be given a path or device as a non-option argument,
 and also accepts the following options:
 
 '--help'
      Print a summary of the command-line options and exit.
 
 '--version'
      Print the version number of GRUB and exit.
 
 '-d'
 '--device'
      If this option is given, then the non-option argument is a system
      device name (such as '/dev/sda1'), and 'grub-probe' will print
      information about that device.  If it is not given, then the
      non-option argument is a filesystem path (such as '/boot/grub'),
      and 'grub-probe' will print information about the device containing
      that part of the filesystem.
 
 '-m FILE'
 '--device-map=FILE'
      Use FILE as the device map (⇒Device map) rather than the
      default, usually '/boot/grub/device.map'.
 
 '-t TARGET'
 '--target=TARGET'
      Print information about the given path or device as defined by
      TARGET.  The available targets and their meanings are:
 
      'fs'
           GRUB filesystem module.
      'fs_uuid'
           Filesystem Universally Unique Identifier (UUID).
      'fs_label'
           Filesystem label.
      'drive'
           GRUB device name.
      'device'
           System device name.
      'partmap'
           GRUB partition map module.
      'abstraction'
           GRUB abstraction module (e.g.  'lvm').
      'cryptodisk_uuid'
           Crypto device UUID.
      'msdos_parttype'
           MBR partition type code (two hexadecimal digits).
      'hints_string'
           A string of platform search hints suitable for passing to the
           'search' command (⇒search).
      'bios_hints'
           Search hints for the PC BIOS platform.
      'ieee1275_hints'
           Search hints for the IEEE1275 platform.
      'baremetal_hints'
           Search hints for platforms where disks are addressed directly
           rather than via firmware.
      'efi_hints'
           Search hints for the EFI platform.
      'arc_hints'
           Search hints for the ARC platform.
      'compatibility_hint'
           A guess at a reasonable GRUB drive name for this device, which
           may be used as a fallback if the 'search' command fails.
      'disk'
           System device name for the whole disk.
 
 '-v'
 '--verbose'
      Print verbose messages.
 

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