Updated: 2021/Dec/3


MOUNT_CHFS(8)               System Manager's Manual              MOUNT_CHFS(8)

NAME
     mount_chfs - mount a CHFS flash file system

SYNOPSIS
     mount_chfs

DESCRIPTION
     Mounts a flash file system from a flash(4) device.  CHFS file systems can
     be only mounted from flash devices.  For regular block devices like SSD
     drives or USB drives, please use a regular file system.  The file system
     will be created during the first mount.  CHFS stands for Chip File
     System.

     This command is normally executed by mount(8) at boot time.

     The options are as follows:

     -o      Options are specified with a -o flag followed by a comma-
             separated string of options.  See the mount(8) man page for
             possible options and their meanings.

EXAMPLES
           mount_chfs /dev/flash0 /mnt

SEE ALSO
     flash(4), fstab(5), mount(8), flash(9)

HISTORY
     A mount_chfs utility appeared in NetBSD 6.0.  CHFS was originally called
     ChewieFS during development.  The name was changed to avoid legal issues
     and to have a more neutral name.

AUTHORS
     CHFS was developed at the Department of Software Engineering, University
     of Szeged, Hungary.

BUGS
     CHFS has a few known bugs as of 2011.  Writing the FS full can cause
     problems.  Truncating a file and growing it again can cause the new bytes
     not having all zeroes, but filled with the old content instead.

NetBSD 9.99                      June 7, 2021                      NetBSD 9.99