fusecompress on knoppix-data.img?

[dinosoep]

@kl522 the script I use needs to have aufs-utils the same version as the aufs patch-version, when I tried with the one from synaptic it gave me:

"aubrsync move_with_wh /UNIONFS /KNOPPIX-DATA-RAMDISK /KNOPPIX-DATA"
and that gives me the following errors:
+ mount -o remount,ro,udba=reval,noshwh /UNIONFS
/sbin/mount.aufs:plink.c:223: AUFS_CTL_PLINK_MAINT: Inappropriate ioctl for device
+ mount -o remount,udba=reval,noshwh,rw,relatime,si=aa3aa37c,noplink /UNIONFS
/sbin/mount.aufs:plink.c:223: AUFS_CTL_PLINK_MAINT: Inappropriate ioctl for device

when I tried compiling from source it gave me:

install -d /usr/share/man/man5
install -o root -g root -p -m 644 aufs.5 /usr/share/man/man5
install -d /sbin
install -o root -g root -p -m 755 mount.aufs umount.aufs auplink /sbin
install: cannot stat `umount.aufs': No such file or directory
make: *** [install_sbin] Error 1

The maintainer suggested updating the kernel module which I'm going to try this evening


@Capricorny
The problem with rsync here is that when you delete a file, it should create a whiteout on the writeable upper filesystem and rsync doesn't sync those, only the real files get synced. (thats at least what I think, why else would they've created aubrsync?)

[Capricorny]

The problem with rsync here is that when you delete a file, it should create a whiteout on the writeable upper filesystem and rsync doesn't sync those, only the real files get synced. (thats at least what I think, why else would they've created aubrsync?)

Exactly. And I would ask: Why would they have to use aubrsync? My (implicit) point was that file creatons and updates are taken care of through rsync, while deletions must be done directly on the persistent image, preferably upon shutdown. Of course, it would be nice to have a "commit" function doing the actual deletions, determined from the ramdisk-recorded changes (whiteouts), but I will rather have something simple, stupid and robust than something that nobody seems to be able to tell how and why works or not.

[kl522]

[/code]when I tried compiling from source it gave me:

install -d /usr/share/man/man5
install -o root -g root -p -m 644 aufs.5 /usr/share/man/man5
install -d /sbin
install -o root -g root -p -m 755 mount.aufs umount.aufs auplink /sbin
install: cannot stat `umount.aufs': No such file or directory
make: *** [install_sbin] Error 1

The maintainer suggested updating the kernel module which I'm going to try this evening

I have more confidence on the installed aufs kernel module than your compilation.

Your compilation output seems to suggest that umount.aufs is not present. But 'umount.aufs' is to be provided by YOUR compilation, so it is still more like your compilation has error. Furthermore the output is coming from 'make install', you should have an error free 'make' prior to 'sudo make install'. Perhaps you have a wrong version of /usr/include/linux/aufs_type.h installed on knoppix.

[dinosoep]

Yeah, Make was succesfull ...
Are you able to compile it succesfully?

[kl522]

Yeah, Make was succesfull ...
Are you able to compile it succesfully?

You may have to re-read your 'make' output more carefully. Here is my output :-

cc -I./libau -O -Wall -DMOUNT_CMD_PATH=\"\"   ver.c   -o ver
./ver
cc -I./libau -O -Wall -DMOUNT_CMD_PATH=\"\"   c2tmac.c   -o c2tmac
rm -f aufs.5
./c2tmac > aufs.5
awk '{ \
        gsub(/\140[^\047]*\047/, "\\[oq]&\\[cq]"); \
        gsub(/\\\[oq\]\140/, "\\[oq]"); \
        gsub(/\047\\\[cq\]/, "\\[cq]"); \
        gsub(/\047/, "\\[aq]"); \
        print; \
    }' aufs.in.5 >> aufs.5
chmod a-w aufs.5
cc -I./libau -O -Wall -DMOUNT_CMD_PATH=\"\"  -c -o proc_mnt.o proc_mnt.c
ar rv libautil.a proc_mnt.o
ar: creating libautil.a
a - proc_mnt.o
cc -I./libau -O -Wall -DMOUNT_CMD_PATH=\"\"  -c -o br.o br.c
ar rv libautil.a br.o
a - br.o
cc -I./libau -O -Wall -DMOUNT_CMD_PATH=\"\"  -c -o plink.o plink.c
ar rv libautil.a plink.o
a - plink.o
cc -I./libau -O -Wall -DMOUNT_CMD_PATH=\"\"  -c -o mtab.o mtab.c
ar rv libautil.a mtab.o
a - mtab.o
cc -I./libau -O -Wall -DMOUNT_CMD_PATH=\"\"  -c -o auibusy.o auibusy.c
cc -static -s  auibusy.o  -L. -lautil -o auibusy
cc -I./libau -O -Wall -DMOUNT_CMD_PATH=\"\"  -c -o auplink.o auplink.c
cc -static -s  auplink.o  -L. -lautil -o auplink
cc -I./libau -O -Wall -DMOUNT_CMD_PATH=\"\"  -c -o mount.aufs.o mount.aufs.c
cc -static -s  mount.aufs.o  -L. -lautil -o mount.aufs
cc -I./libau -O -Wall -DMOUNT_CMD_PATH=\"\"  -c -o umount.aufs.o umount.aufs.c
cc -static -s  umount.aufs.o  -L. -lautil -o umount.aufs
cc -I./libau -O -Wall -DMOUNT_CMD_PATH=\"\"   c2sh.c   -o c2sh
rm -f etc_default_aufs
echo '# aufs variables for shell scripts' > etc_default_aufs
./c2sh >> etc_default_aufs
echo >> etc_default_aufs
sed -e '0,/^$/d' aufs.shlib >> etc_default_aufs
make -C libau all
make[1]: Entering directory `/mnt/part3/tmp/linux-2.6.38.7/aufs2-util.git/libau'
cc -I./libau -O -Wall -fPIC -DNDEBUG -D_REENTRANT -I. -DMOUNT_CMD_PATH=\"\"  -c -o libau.o libau.c
cc -I./libau -O -Wall -fPIC -DNDEBUG -D_REENTRANT -I. -DMOUNT_CMD_PATH=\"\"  -c -o rdu_lib.o rdu_lib.c
cc -I./libau -O -Wall -fPIC -DNDEBUG -D_REENTRANT -I. -DMOUNT_CMD_PATH=\"\"  -c -o rdu.o rdu.c
ln -sf rdu.c rdu64.c
cc -I./libau -O -Wall -DRdu64 -fPIC -DNDEBUG -D_REENTRANT -I. -DMOUNT_CMD_PATH=\"\"  -c -o rdu64.o rdu64.c
cc -I./libau -O -Wall -fPIC -DNDEBUG -D_REENTRANT -I. -DMOUNT_CMD_PATH=\"\"  -c -o pathconf.o pathconf.c
cc --shared -Wl,-soname,libau.so.2  \
        -o libau.so.2.5 libau.o rdu_lib.o rdu.o rdu64.o pathconf.o -ldl -lpthread
ln -sf libau.so.2.5 libau.so.2
ln -sf libau.so.2 libau.so
make[1]: Leaving directory `/mnt/part3/tmp/linux-2.6.38.7/aufs2-util.git/libau'
ln -sf ./libau/libau*.so .
rm ver c2tmac c2sh