[lxc-users] Mount Directory or Move Image Location?

[B G]

Thanks Serge.

You suggest to bind mount the underlying directory from the host OS?

I suppose that we could do that for the root file system anywhere inside
the image file system?

E.g.

/var/lib/lxd/containers/container-name/rootfs/directory_mount

Once I restart the container should be transparent to the container that
the underlying file-system has mounted from a different location?

That sound right... I was thinking about it in a much more complicated way
like you would a VDI for a VM.  That is better.



On Fri, Oct 30, 2015 at 2:23 PM, Serge Hallyn <serge.hallyn at ubuntu.com>
wrote:

> Quoting B G (bg85305 at gmail.com):
> > I need to jam a ton of data from another drive partition into a
> > container... What is the best way to:
> >
> > 1. Mount a directory from a different drive on the host
> >
> > or
> >
> > 2. Change the image location to the alternative drive on the host
> >
> > I have been searching a ton and can't see the best way to do this.  I
> have
> > an NVME partition that I want to use for really fast IO but it is not the
> > default one the containers are created in...
> >
> > Appreciate any advice..
>
> Are you using lxd or lxc?
>
> The easiest way is probably to just bind mount the fast directory onto
> /var/lib/lxc or /var/lib/lxd.  If I'm understanding you right.
>
> Personally on my laptop I have a little 16G m.2 ssd formatted as btrfs
> and mounted onto /var/lib/lxd to give me something like .5-second container
> creations.
>
> -serge
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