08-06-2009
Partitioning External Drive
I am about to set up another triple boot drive, but this one is connected to my MacBook with a USB adapter. I want to be sure that I do not overwrite data on my laptop's internal drive. This is the command I used for the internal drive, which was found in an Ubuntu forum, but the sizes were changed to match my drive.
diskutil resizeVolume disk0s2 45G "JHFS+" 4-Linux 20G "MS-DOS FAT32" 4-Windows 0b
If memory serves, there may have been a typo on the last character. I thought it was supposed to be a 'G', but I am very new to this.
I assume that the disk0s2 needs to be changed, but I do not know how to tell what the external drive is called. I have looked in Disk Utility and the System Profiler, but there seems to be nothing there. UNIX must be the answer.
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LEARN ABOUT CENTOS
grub2-probe
GRUB-PROBE(3) Library Functions Manual GRUB-PROBE(3)
NAME
grub-probe -- Probe device information for a given path.
SYNOPSIS
grub-probe [-m | --device-map=FILE]
[-t | --target=(fs|fs_uuid|fs_label|drive|device|partmap|
abstraction|cryptodisk_uuid|
msdos_parttype)]
[-v | --verbose] (PATH|DEVICE)
DESCRIPTION
grub-probe probes a path or device for filesystem and related information.
OPTIONS
--device
Final option represents a DEVICE, rather than a filesystem PATH.
--device-map=FILE
Use FILE as the device map. The default value is /boot/grub/device.map.
--target=(fs|fs_uuid|fs_label|drive|device|partmap|msdos_parttype)
Select among various output definitions. The default is fs.
fs filesystem module
fs_uuid
filesystem UUID
fs_label
filesystem label
drive GRUB drive name
device System device
partmap
partition map module
abstraction
abstraction module
cryptodisk_uuid
cryptographic container
msdos_partmap
MS-DOS partition map
--verbose
Print verbose output.
(PATH|DEVICE)
If --device is passed, a block DEVICE. Otherwise, the PATH of a file on the filesystem.
SEE ALSO
info grub
Wed Feb 26 2014 GRUB-PROBE(3)