Red Hat Enterprise Linux 3: System Administration Guide
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# 5.4. Resizing a Partition

| Warning
| Do not attempt to resize a partition on a device that is in use.

Before resizing a partition, boot into rescue mode (or unmount any partitions on the device and turn off any swap space on the device).

Start `parted`, where /dev/`hda` is the device on which to resize the partition:

    parted /dev/hda

View the current partition table to determine the minor number of the partition to resize as well as the start and end points for the partition:

    print

| Warning
| The used space of the partition to resize must not be larger than the new size.

To resize the partition, use the `resize` command followed by the minor number for the partition, the starting place in megabytes, and the end place in megabytes. For example:

    resize 3 1024 2048

After resizing the partition, use the `print` command to confirm that the partition has been resized correctly, is the correct partition type, and is the correct file system type.

After rebooting the system into normal mode, use the command `df` to make sure the partition was mounted and is recognized with the new size.

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