Name

blockdev - query block devices

Synopsis

$ blockdev [options] <device>

Description

The blockdev command call ioctls on the given block device.

Options

• -s, --size: Get disk size in bytes
• -b, --block-size: Get block size in bytes

Examples

# Get disk size
# blockdev -s /dev/hda
863718912

# Get block size
# blockdev -b /dev/hda
512