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SysOps

How to re-read partition table

Re-read partition table without machine reboot using partprobe utility which is a part of parted package.

Install parted package.

$ sudo apt-get install parted

Display simple summary without kernel update.

$ sudo partprobe --dry-run --summary
/dev/sda: msdos partitions 1 2 3 4 <5 6>

Inform the operating system of partition table changes and display simple summary.

$ sudo partprobe --summary
/dev/sda: msdos partitions 1
/dev/nvme0n1: gpt partitions 1 2

Inform the operating system of partition table changes on specific device.

$ sudo partprobe /dev/sda
(no output)