BOOTFS(4FS) File Systems BOOTFS(4FS)

NAME

bootfs - boot-time module file system

DESCRIPTION

The bootfs file system is a read-only file system that provides access
to any boot-time modules that were passed in to the system loader which
were tagged with the type file. bootfs does not display any boot-time
modules that were tagged as type hash or type rootfs. If modules with
duplicate names and paths are specified, only the first such entry will
be present in the file system and a counter will be incremented to
indicate that a duplicate entry was found, but is not present into the
file system. If a module's name only consists of invalid characters,
such as `'., `..', or `/', then the module will not be present in the
file system and a counter will be incremented to indicate that this has
occurred. In both cases, diagnostic information is available through
the kstats facility.

FILES

/system/boot The mount point for the bootfs file
system in the global zone.

EXAMPLES

Example 1 Determining if collisions or invalid names are present

To determine if any boot-time modules were not created due to
collisions or invalid names, enter the following command:

# kstat -m bootfs
module: bootfs instance: 1
name: bootfs class: fs
crtime 236063.651324041
nbytes 8749355
ndirs 3
ndiscard 0
ndup 0
nfiles 2
snaptime 236063.651324041
The field ndiscard lists the number of boot-time modules that were
discarded due to naming conflicts. The field ndup lists the number of
duplicate entries that were found and therefore not displayed in the
file system.

This information is provided for informational purposes only, it is not
to be construed as a stable interface.

SEE ALSO

loader(7), kstat(8)

illumos May 8, 2014 illumos