You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
79 lines
1.6 KiB
79 lines
1.6 KiB
12 months ago
|
overlay-diskfile(8)
|
||
|
|
===================
|
||
|
|
:doctype: manpage
|
||
|
|
:revdate: {sys:date "+%Y-%m-%d %H:%M:%S"}
|
||
|
|
:COLON: :
|
||
|
|
:EQUALS: =
|
||
|
|
|
||
|
|
NAME
|
||
|
|
----
|
||
|
|
overlay-diskfile - Support for using diskfile filesystem.
|
||
|
|
|
||
|
|
SYNOPSIS
|
||
|
|
--------
|
||
|
|
LOWER=!*overlay-diskfile* _mount/path_ [ _diskfile_ [ _index_ ] ]
|
||
|
|
UPPER=!*overlay-diskfile* _mount/path_ [ _diskfile_ [ _index_ ] ]
|
||
|
|
|
||
|
|
DESCRIPTION
|
||
|
|
-----------
|
||
|
|
|
||
|
|
*overlay-diskfile* is a support script for pre-mounting a diskfile to
|
||
|
|
provide the LOWER or UPPER filesystem for a subhost. It is typically
|
||
|
|
used in the subhost configuration to be invoked as part of determining
|
||
|
|
the filesystem path.
|
||
|
|
|
||
|
|
OPTIONS
|
||
|
|
-------
|
||
|
|
|
||
|
|
no options.
|
||
|
|
|
||
|
|
EXAMPLES
|
||
|
|
--------
|
||
|
|
|
||
|
|
.Use a whole diskfile filesystem as LOWER
|
||
|
|
====
|
||
|
|
----
|
||
|
|
LOWER=!overlay-diskfile mnt/ disk.img
|
||
|
|
----
|
||
|
|
====
|
||
|
|
|
||
|
|
The above mounts the disk.img filesystem onto +mnt+ and provides that
|
||
|
|
as the LOWER filesystem.
|
||
|
|
|
||
|
|
.Use a diskfile partition 2 as LOWER
|
||
|
|
====
|
||
|
|
----
|
||
|
|
LOWER=!overlay-diskfile mnt/ disk.img 2
|
||
|
|
----
|
||
|
|
====
|
||
|
|
|
||
|
|
The above mounts the second partition onto +mnt+ and provides that as
|
||
|
|
the LOWER filesystem.
|
||
|
|
|
||
|
|
.Use a subtree of a diskfile partition 2 as LOWER
|
||
|
|
====
|
||
|
|
----
|
||
|
|
LOWER=!overlay-diskfile mnt/some/path disk.img 2
|
||
|
|
----
|
||
|
|
====
|
||
|
|
|
||
|
|
The above mounts the second partition onto +mnt+ and provides the path
|
||
|
|
+mnt/some/path+ that as the LOWER filesystem.
|
||
|
|
|
||
|
|
.Use a while diskfile as UPPER and WORK.
|
||
|
|
====
|
||
|
|
----
|
||
|
|
UPPER=!overlay-diskfile mnt/some/upper/path disk.img 2
|
||
|
|
WORK= mnt/some/work/path
|
||
|
|
----
|
||
|
|
====
|
||
|
|
|
||
|
|
The above mounts the second partition of disk.img and uses
|
||
|
|
+mnt/some/upper/path+ as UPPER and +mnt/some/work/path+ as WORK.
|
||
|
|
|
||
|
|
|
||
|
|
SEE ALSO
|
||
|
|
--------
|
||
|
|
|
||
|
|
*overlay-boot*, *overlay-stop*
|