.. index:: ubiformat (command)

.. _command_ubiformat:

ubiformat - format an ubi volume
================================

Usage
^^^^^
``ubiformat [-sOnfexQqv] MTDEVICE``

Synopsis
^^^^^^^^
A tool to format MTD devices and flash UBI images

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
-y
 Assume yes for all questions
-q
 suppress progress percentage information
-v
 be verbose

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.

.. generated from: /ptx/work/WORK_EIHEI/sha/backup/barebox/barebox-maintainer-utils/barebox/commands/ubiformat.c
.. command function: do_ubiformat