3.138. ubiformat (format an ubi volume)

3.138.1. Usage

ubiformat [-sOnfexQqv] MTDEVICE

3.138.2. Synopsis

A tool to format MTD devices and flash UBI images

3.138.3. Options

-s BYTES	minimum input/output unit used for UBI headers e.g. sub-page size in case of NAND flash
-O OFFS	offset if the VID header from start of the physical eraseblock (default is the next minimum I/O unit or sub-page after the EC header)
-n	only erase all eraseblock and preserve erase counters, do not write empty volume table
-f FILE	flash image file
-e VALUE	use VALUE as erase counter value for all eraseblocks
-x NUM	UBI version number to put to EC headers (default 1)
-Q NUM	32-bit UBI image sequence number to use
-q	suppress progress percentage information
-v	be verbose

3.138.4. Description

Example 1: ubiformat /dev/nand0 -y - format nand0 and assume yes Example 2: ubiformat /dev/nand0 -q -e 0 - format nand0, be quiet and force erase counter value 0.