Re: [RFC] AUFS disabled for 12.04

2012-08-04 Thread Mike Mestnik
See bug number 1007089 overlayfs alters /proc/self/exe link(s), making result a dead link. Test script, from #40: ( set -e mkdir -p /mnt/test /tmp/usr mount none /mnt/test -t overlayfs -o lowerdir=/usr,upperdir=/tmp/usr /mnt/test/bin/tail -f /dev/null& ls -lart /proc/$!/exe kill $! umount /mnt/te

Re: [RFC] AUFS disabled for 12.04

2012-03-02 Thread Gary Poster
On 03/02/12 08:58, Tim Gardner wrote: In light of the concerns about overlayfs being sufficiently cooked in time for Precise, Andy Whitcroft and I have decided to re-enable aufs. Thank you, that's helpful and comforting. We will continue to advocate for dropping aufs in favor of a sufficient

Re: [RFC] AUFS disabled for 12.04

2012-03-02 Thread Tim Gardner
On 03/01/2012 03:08 PM, Gary Poster wrote: Hi. aufs was reliable for us on Oneiric when creating ephemeral lxc instances based on an underlying template. The most recent overlayfs issue that we discovered is today's https://bugs.launchpad.net/ubuntu/+source/linux/+bug/944386 The summary is that

Re: [RFC] AUFS disabled for 12.04

2012-03-02 Thread apw
On Fri, Mar 02, 2012 at 12:56:13AM -0800, Kees Cook wrote: > Hi Gary, > > On Thu, Mar 01, 2012 at 05:08:36PM -0500, Gary Poster wrote: > > aufs was reliable for us on Oneiric when creating ephemeral lxc > > instances based on an underlying template. The most recent > > overlayfs issue that we dis

Re: [RFC] AUFS disabled for 12.04

2012-03-02 Thread Kees Cook
Hi Gary, On Thu, Mar 01, 2012 at 05:08:36PM -0500, Gary Poster wrote: > aufs was reliable for us on Oneiric when creating ephemeral lxc > instances based on an underlying template. The most recent > overlayfs issue that we discovered is today's > https://bugs.launchpad.net/ubuntu/+source/linux/+b

Re: [RFC] AUFS disabled for 12.04

2012-03-01 Thread Gary Poster
Hi. aufs was reliable for us on Oneiric when creating ephemeral lxc instances based on an underlying template. The most recent overlayfs issue that we discovered is today's https://bugs.launchpad.net/ubuntu/+source/linux/+bug/944386 The summary is that, within an overlayfs, this fails: gar

[RFC] AUFS disabled for 12.04

2012-02-29 Thread Leann Ogasawara
Hi All, Early in the Precise Pangolin 12.04 development cycle, we disabled support for AUFS in the kernel. This decision was made at UDS. The reasoning behind this decision included: * AUFS is not upstream. Despite previous efforts from it's maintainer, it does not appear it will