Aufs下载方式及其简单实例
Aufs − another unionfs.目前aufs只提供CVS方式下载（因为它的作者把稳定版都放入cvs中了）
cvs -d:pserver:[email protected]:/cvsroot/aufs login
cvs -z3 -d:pserver:[email protected]:/cvsroot/aufs co -P aufs
编译代码
Currently these configurations are written in ./local.mk, ./local.mk will work
for you in most cases.
$ make -f local.mk
The local.mk searches your kernel source files by
KDIR = /lib/modules/$(shell uname -r)/build
If you are cross-compiling the aufs module, try
$ make KDIR=/your/kernel/source/path -f local.mk
应用实例
(after 'make')
$ man -l ./aufs.5
# install -m 500 -p mount.aufs /sbin (recommended)
# insmod ./aufs.ko
$ mkdir /tmp/rw /tmp/aufs
# mount -t aufs -o dirs=/tmp/rw:${HOME}=ro none /tmp/aufs
Here is another example.
# mount -t aufs -o br:/tmp/rw:${HOME}=ro none /tmp/aufs
or
# mount -t aufs -o br:/tmp/rw none /tmp/aufs
# mount -o remount,append:${HOME}=ro /tmp/aufs
我已经成功把neoshine livecd 更换为aufs了 :-D 感觉还是蛮好用的 哈哈 我利用aufs 将neoshine livecd 升级到3。0
重写initrd中的linuxrc 如下
#!/bin/bash
#
#=========================================#
# NeoShine Live CD scripts #
# Author:BOoRFGOnZ <[email protected]>#
#=========================================#
#
echo "Mounting proc filesystem"
mount -tproc /proc /proc
echo "Mounting sysfs filesystem"
mount -t sysfs sysfs /sys
echo "Mounting modules"
modprobe loop
modprobe squashfs
modprobe aufs
echo "Starting udev"
udevstart
echo "Mounting cdrom"
mount /dev/cdrom /cdrom
echo "Makeing kernel don't mount root fs"
echo 0x100 > /proc/sys/kernel/real-root-dev
echo "Creating aufs"
mkdir -p /memory
mount -t tmpfs tmpfs /memory
mkdir -p /memory/changes
mkdir -p /memory/images
mkdir -p /union
mount -t squashfs -o loop /cdrom/NeoShine.sqsh /memory/images
mount -t aufs -o dirs=/memory/changes=rw:/memory/images=ro none /union
mkdir -p /union/proc
mkdir -p /union/sys
mkdir -p /union/tmp
mkdir -p /union/dev
chmod 0777 /union/tmp
mkdir -p /union/initrd
echo "Doing the pivot_root"
cd /union
mknod /union/dev/console c 5 1
pivot_root /union /union/initrd
cd /
echo "Starting system"
exec /usr/sbin/chroot . sbin/init<dev/console >dev/console 2>&1 大家好，我的aufs怎么用不了，麻烦各位给看看...
我的操作过程是：
# make -f local.mk
# install -m 500 -p mount.aufs umount.aufs auplink aulchown auchk /sbin
# install -m 644 -p etc_default_aufs /etc/default/aufs
# echo FLUSH=ALL > /etc/default/auplink
# insmod ./aufs.ko
insmod: error inserting './aufs.ko': -1 Unknown symbol in module
#mkdir /lib/modules/2.6.27.7-32/kernel/fs/aufs
# cp aufs.ko /lib/modules/2.6.27.7-32/kernel/fs/aufs/
#depmod -a
# mkdir /tmp/rw /tmp/aufs
# mount -t aufs -o dirs=/tmp/rw:${HOME}=ro none /tmp/aufs
# mount -t aufs -o dirs=/tmp/rw:${HOME}=ro none /tmp/aufs/
mount: unknown filesystem type 'aufs'
/sbin/mount.aufs: bad /proc/2636/mounts
??????????????????????????
[ 本帖最后由 yorks 于 2009-2-25 17:08 编辑 ]
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