Quoting Pierre-François Bonnefoi ([email protected]):
> hello,
>
> I've encountered a new problem :
> I would like to decrease the disk usage of my container by sharing some big
> directories.
> When I try to share the /lib directory between my host under Ubuntu 10.04
> with my guest under Ubuntu 10.0.4, I've got the problem that the file
> /lib/init/fstab from the host is shared with the container and create some
> panic with some not needed mounts.
> I've try to define a /etc/fstab but I can't prevent the guest system to
> analyze the /lib/init/fstab file.
> (And I don't want to modify my host Ubuntu...).
>
> How could I perform this ?
Hm, I'm not sure about the sequence of events, but I suspect you could
put
/etc/containerfstab /lib/init/fstab none defaults 0 0
into /var/lib/lxc/${CONTAINERNAME}/fstab. That should happen
after the mounts namespace has been unshared, and before the
container's init process does mountall. A good start for /etc/containerfstab
might be the stock container fstab:
######################################################
# /lib/init/fstab: lxc system fstab
none /spu spufs gid=spu,optional
0 0
none /tmp none defaults
0 0
none /var/lock tmpfs
nodev,noexec,nosuid,showthrough 0 0
none /lib/init/rw tmpfs
mode=0755,nosuid,optional 0 0
######################################################
-serge
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