System information

8 Sharing and maintaining SLES 10 SP2 Linux under z/VM
1.3.4 Directory structure of the read-only root system
The directory structure for the Linux shared read-only root is displayed in Figure 1-8.
Figure 1-8 Read-only root directory structure
The following section describes the directory structure used in this paper. The information
was adapted from the following resources:
򐂰 The Linux File Hierarchy Standard (FHS):
http://tldp.org/LDP/Linux-Filesystem-Hierarchy/html/Linux-Filesystem-Hierarchy.html
򐂰 The Linux Standards Base (LSB). See the following Web sites:
http://www.linux-foundation.org/en/LSB
Sections below are copied verbatim in accordance with their license.
To comply with the FHS the following directories, or symbolic links to directories, are required
in /.
/bin Essential command binaries
/boot Static files of the boot loader
/dev Device files
/etc Host-specific system configuration
/etc /root /
dev
/local
/
/opt
/var
/bin /sbin
local/etc
/home
/tmp
/boot/usr
RO
RO RO
RW
RO
/lib64/lib
/local/root
/mnt
RW
bind
mount
RO
RO
/
/bin /sbin /lib /lib64
/boot
RO
SWAP
SPACE
Read Only Root
All RO mounts are EXT2
And potentially
Can be shared
/etc
/etc
RO
/local
/local/
dev
Bind
mount
Bind
mount
/root /dev
/var
/usr
/opt
/opt/IBM/db2
/tmp
tmpfs
/proc
RW
procfs
/sys
RW
sysfs
/media
auto