[EMAIL PROTECTED] wrote: > Patrick: > >> Heh, will do . but is that behavior of unionctl supposed to be like that? :) >> > > Of course, no it isn't. > And Tomas M suggested you one of the way to research the problem. > Thank you Tomas. > > Additionally, there is a description about the time of remount. When you > have lots of inodes and dentries cached, it may take a long time. It > depends upon your operations before remount, and the amount of your > system memory. > > In your case, in order to know your situation, I'd like to ask you > questions. > - How did you mount your aufs? > by using 'mount -w -t aufs -o dirs=/new=rw:/real_root=ro none /union' in the init script of an initramfs .. right after pre-mount and mounting scripts of the rootfs have been run. > - How is /proc/mounts just before you remount or unionctl? Will you show > us? > Sure:
rootfs / rootfs rw 0 0 none /real_root/sys sysfs rw 0 0 none /real_root/proc proc rw 0 0 udev /real_root/dev tmpfs rw 0 0 tmpfs /new tmpfs rw 0 0 /dev/sda1 /real_root ext3 ro,data=ordered 0 0 /dev/sda1 /real_root/dev/.static/dev ext3 ro,data=ordered 0 0 none / aufs rw,xino=/new/.aufs.xino,br:/new=rw:/real_root=ro 0 0 proc /proc proc rw,nosuid,nodev,noexec 0 0 sysfs /sys sysfs rw,nosuid,nodev,noexec 0 0 none /dev/.static/dev aufs rw,xino=/new/.aufs.xino,br:/new=rw:/real_root=ro 0 0 tmpfs /dev tmpfs rw 0 0 tmpfs /dev/shm tmpfs rw,nosuid,nodev 0 0 devpts /dev/pts devpts rw,nosuid,noexec 0 0 > - Have you ever read the manual of mount(8), or some documentations > about /etc/mtab and /proc/mounts? Since it must be fundamental > knowledge when you use linux or unix. > [irony]Heh, since I am a debian package maintainer, I guess I did[/irony] .. Of course I read up on those commands. It was just confusing me since theres not much documentation about using a stackable filesystem with an initramfs thus especially during boot process. Thus I asked here to get more detailed information than I could retrieve by using google for the past few days. > And, > - it is recommended to use mount -o remount,... instead of unionctl. > Heh, then again I dont see any reason for shipping it within the aufs sources. (or recommending it on SF's project page as a substution for the equivalent tool of unionfs). > - mount.aufs is not supposed to be executed manually. use mount(8). > yup .. > - if you use -n option to your mount(8), you will never get the entry in > your mount listing by mount(8). > > I know .. we had an issue on that several mails go :-) > Junjiro Okajima > > regards, Patrick ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV
