I still can't get this to work, I'm sure I'm missing something simple or
obvious. To recap, I'm trying to use an LVM logical volume for my
container's /var and /tmp partitions. Since I've been unable to get this
to work, I've just beenfocusing on getting /tmp to work. I changed my
mount points and my container's config:
Here are my logical volume onthe host:
root@reaver:~# lvdisplay /dev/vg_lxc1/lv_ldap_tmp1
--- Logical volume ---
LV Path /dev/vg_lxc1/lv_ldap_tmp1
LV Name lv_ldap_tmp1
VG Name vg_lxc1
LV UUID GDru3y-oLJB-Iv06-tjv3-wHuq-p8Fi-xBUscf
LV Write Access read/write
LV Creation host, time reaver, 2013-11-30 13:46:16 -0700
LV Status available
# open 1
LV Size 4.00 GiB
Current LE 1024
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 254:4
I've mounted this LV to: /mnt/lxc/ldap/tmp on the host. I then changed
my container's config file:
root@reaver:~# cat /var/lib/lxc/ldap_baneling/config |grep lxc.mount.entry
lxc.mount.entry = proc
/var/lib/lxc/ldap_baneling/rootfs/proc proc nodev,noexec,nosuid
0 0
lxc.mount.entry = devpts
/var/lib/lxc/ldap_baneling/rootfs/dev/pts devpts defaults 0 0
lxc.mount.entry = sysfs
/var/lib/lxc/ldap_baneling/rootfs/sys sysfs defaults 0 0
#lxc.mount.entry = /mnt/lxc/ldap/var
/var/lib/lxc/ldap_baneling/rootfs/var none defaults 0 0
*lxc.mount.entry = /mnt/lxc/ldap/tmp
/var/lib/lxc/ldap_baneling/rootfs/tmp none defaults 0 0*
When I start my container I don't see the new mount:
root@baneling:~# df -h
Filesystem Size Used Avail Use% Mounted on
tmpfs 3.1G 0 3.1G 0% /run/shm
rootfs 10G 537M 9.5G 6% /
tmpfs 801M 16K 801M 1% /run
tmpfs 5.0M 0 5.0M 0% /run/lock
Do, I need to put something in the container's fstab?
Thanks,
Josh
On 02/12/2014 05:02 PM, Alvaro Miranda Aguilera wrote:
sorry, i should have been more clear.
seems you are trying to mount /a into /a that won't work.
at those level, where are the logical volumes mounted?
Say you want to share
/media/lv1
into container as /media/lv1
then, the line should be:
lxc.mount.entry = /media/lv1
/var/lib/lxc/ldap_baneling/rootfs/media/lv1 none bind 0 0
do you see the difference with your line?
if you have already mounted your lv inside the container, unmount it,
mount it somewhere else, and try as I tell you, for me it works.
if you have time, I wrote this:
http://kikitux.net/lxc/lxc.html
On Wed, Feb 12, 2014 at 9:34 AM, Joshua Schaeffer
<[email protected] <mailto:[email protected]>> wrote:
Based on the documentation I read, this can be the same, however
all I really care about is that the LV gets mounted to that
location on the host.
On Tue, Feb 11, 2014 at 1:13 PM, Alvaro Miranda Aguilera
<[email protected] <mailto:[email protected]>> wrote:
On Wed, Feb 12, 2014 at 4:11 AM, Joshua Schaeffer
<[email protected] <mailto:[email protected]>>
wrote:
lxc.mount.entry = /var/lib/lxc/ldap_baneling/rootfs/var
/var/lib/lxc/ldap_baneling/rootfs/var none bind 0 0
lxc.mount.entry = /var/lib/lxc/ldap_baneling/rootfs/tmp
/var/lib/lxc/ldap_baneling/rootfs/tmp none bind 0 0
you are mounting the same path in the same path?
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