[lxc-users] DRBD in LXC container?

[Zachary Patten]

You may need to modify the apparmor profiles as well; this is what I had to
do to get NFS going inside containers for example.  You can check the
system logs to see if apparmor is the denying you access.

-Z

On Fri, Jan 17, 2014 at 6:43 AM, Jeremiah Snapp <jeremiah.snapp at gmail.com>wrote:

> Well, installing and enabling the DRBD modules in the host at least got
> /proc/drbd available in the container.
>
> And I can run the following successfully.
>
> root at be2:~# drbdadm create-md pc0
> Writing meta data...
> initializing activity log
> NOT initializing bitmap
> New drbd meta data block successfully created.
>
>
> But, when I try to bring up the resource it fails.
>
> root at be2:~# drbdadm up pc0
> Could not connect to 'drbd' generic netlink family
> Command 'drbdsetup new-resource pc0' terminated with exit code 20
> drbdadm: new-minor pc0: skipped due to earlier error
>
> I don't understand what the netlink is or how to get connected to it.  Can
> anyone help please?
>
> Thanks,
> Jeremiah
>
>
>
> On Thu, Jan 16, 2014 at 4:15 PM, Jeremiah Snapp <jeremiah.snapp at gmail.com>wrote:
>
>> Thanks Ranjib!
>>
>>
>> On Thu, Jan 16, 2014 at 4:11 PM, Ranjib Dey <dey.ranjib at gmail.com> wrote:
>>
>>> since containers use the same kernel as host, you have to load those
>>> kernel modules on the host. else spawn the container with elevated
>>> privileges (not recommended)
>>>
>>>
>>> On Thu, Jan 16, 2014 at 12:31 PM, Jeremiah Snapp <
>>> jeremiah.snapp at gmail.com> wrote:
>>>
>>>>  Can DRBD be used inside an LXC container?
>>>>
>>>> I'm getting the following error.
>>>>
>>>> root at be1:~# drbdadm up pc0
>>>>> Could not stat("/proc/drbd"): No such file or directory
>>>>> do you need to load the module?
>>>>> try: modprobe drbd
>>>>> Command 'drbdsetup 0 disk /dev/opscode/drbd /dev/opscode/drbd internal
>>>>> --set-defaults --create-device --on-io-error=detach' terminated with exit
>>>>> code 20
>>>>> drbdadm attach pc0: exited with code 20
>>>>
>>>>
>>>> Thanks,
>>>> Jeremiah
>>>>
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>>>>
>>>
>>>
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>>
>>
>
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