Arch manual pages

ADDPART(8) System Administration ADDPART(8)

addpart - tell the kernel about the existence of a partition

addpart device partition start length

addpart tells the Linux kernel about the existence of the specified partition. The command is a simple wrapper around the "add partition" ioctl.

This command doesn't manipulate partitions on a block device.

device
The disk device.
partition
The partition number.
start
The beginning of the partition (in 512-byte sectors).
length
The length of the partition (in 512-byte sectors).

delpart(8), fdisk(8), parted(8), partprobe(8), partx(8)

The addpart command is part of the util-linux package and is available from https://www.kernel.org/pub/linux/utils/util-linux/.
January 2015 util-linux