Patrick: > > - 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.
Thank you. Then, you didn't use '-n', did you? And your /etc/mtab file still doesn't exist, right? How about CONFIG_AUFS_COMPAT? Did you define it? > > - How is /proc/mounts just before you remount or unionctl? Will you show > > us? > > > Sure: Ok. I recognize that you have mounted aufs with one tmpfs and one ext3. Additionally, you have several mounts under aufs. > 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. There is a sample linuxrc script under aufs/sample directory. Doesn't it help you? > 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). It was just for compatibility with unionfs. CONFIG_AUFS_COMPAT is disabled by default, and will be deleted as it was announced. I don't mean to *recommend* it by these sentences which are left still. ---------------------------------------------------------------------- And there is a simple shell script 'unionctl' which is compatible with unionctl(8) in Unionfs, except --query action. This script executes mount(8) with 'remount' option and uses add/del/mod aufs mount options. If you are familiar with Unionfs and want to use unionctl(8), you can try this script instead of using mount -o remount,... directly. Aufs does not support ioctl(2) interface. This script is highly depending upon mount(8) in util-linux-2.12p package, and you need to mount /proc to use this script. If your mount(8) version differs, you can try modifying this script. It is very easy. ---------------------------------------------------------------------- Finally, do you distinguish which systemcall took a long time, your 8 min? Is it all mount(2) with MS_REMOUNT? Junjiro Okajima ------------------------------------------------------------------------- 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
