LXC Bind Mounts: Difference between revisions

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== Introduction ==
#REDIRECT [[Linux_Container#_bind_mount_points]]
 
Bind mounts allow you to access a directory, or a storage volume from your Proxmox VE host inside a container. There can be many purposes:
* Accessing your home directory in the guest
* Accessing a USB device directory in the guest
* Accessing a NFS mount from in the host in the guest
 
Note that the device you want to use has to be already accessible in the pve host. For security reasons, it is not possible to mount a device of NFS share directly in the guest.
 
Suppose you want to access the following directories in your LXC container with ID100:
* /host-target which is a local directory
* /mnt/pve/freenas which is a NFS mounted directory
 
Then you need to add the following parameters to /etc/pve/lxc/100.conf
<pre>
mp0: /host-target,mp=/guest-target
mp1: /mnt/pve/freenas,mp=/mnt/pve/freenas
</pre>
 
alternatively you can set it with pct (see [http://pve.proxmox.com/pve-docs/pct.1.html Manual: pct])
<pre>
pct set 100 -mp0 mp=/host-target,/guest-target
pct set 100 -mp1 mp=/mnt/pve/freenas,/mnt/pve/freenas
</pre>
 
reboot your container and log in:
<pre>
pct enter
mount | egrep '(target|freenas)'
/dev/dm-0 on /target type ext4 (rw,relatime,errors=remount-ro,data=ordered)
freenas.local:/mnt/TranstecThrough/exported
</pre>
 
== Manual method ==
* This works as of 2015-09-13 using lxc-pve: 1.1.3-1 . 
:add this to the .conf file in /etc/pve/lxc
lxc.mount.entry: /host/folder container/folder  none bind,create=dir,optional 0 0
'''Note:''' Do not put a '/' before the container target
 
'''Note:''' This adds an entry to "/var/lib/lxc/<containerID>/config" in the correct format.  Do not edit "/var/lib/lxc/<containerID>/config" manually as that is overwritten on container boot.
 
== Bind mounts and backup ==
Note that bind mounts are not going to be included when you backup the container by default. You need to
set the backup flag to include them.
 
mp0: /target/test,mp=/target,backup=1
 
[[Category: HOWTO]] [[Category: Technology]]

Revision as of 08:57, 22 September 2016

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