[lxc-users] Unavailable loop devices

[CDR]

Dear Mike
It does work indeed.
I suggest that the developers add these two lines to the sample configuration.
Yours
Philip

On Tue, May 6, 2014 at 9:28 AM, Michael H. Warfield <mhw at wittsend.com> wrote:
> On Tue, 2014-05-06 at 06:25 -0400, CDR wrote:
>> Dear Friends
>
>> I succesfully created a SLES 11 SP3 container, but when I try to do this
>
>> mount -o loop /images/SLE-11-SP3-SDK-DVD-x86_64-GM-DVD1.iso /media
>
>> mount: Could not find any loop device. Maybe this kernel does not know
>>        about the loop device? (If so, recompile or `modprobe loop'.)
>
> Add the following to your container configuration file:
>
> lxc.cgroup.devices.allow = c 10:137 rwm # loop-control
> lxc.cgroup.devices.allow = b 7:* rwm    # loop*
>
> Then make sure you have the following devices in your container /dev
> directory...
>
> brw-rw----. 1 root disk  7,   0 May  2 13:03 /dev/loop0
> brw-rw----. 1 root disk  7,   1 May  2 13:03 /dev/loop1
> brw-rw----. 1 root disk  7,   2 May  2 13:03 /dev/loop2
> brw-rw----. 1 root disk  7,   3 May  2 13:03 /dev/loop3
> crw-------. 1 root root 10, 237 May  2 13:03 /dev/loop-control
>
> Regards,
> Mike
>
>> My host is Fedora 20 and the LXC version is
>
>> rpm -qa | grep lxc
>> libvirt-daemon-lxc-1.1.3.4-4.fc20.x86_64
>> libvirt-daemon-driver-lxc-1.1.3.4-4.fc20.x86_64
>> lxc-devel-1.0.0-1.fc20.x86_64
>> lxc-debuginfo-1.0.0-1.fc20.x86_64
>> lxc-libs-1.0.0-1.fc20.x86_64
>> lxc-1.0.0-1.fc20.x86_64
>
>> the configuration is:
>>
>> lxc.start.auto = 0
>> lxc.start.delay = 5
>> lxc.start.order = 10
>>
>> # When using LXC with apparmor, uncomment the next line to run unconfined:
>> #lxc.aa_profile = unconfined
>>
>> lxc.cgroup.devices.deny = a
>> # /dev/null and zero
>> lxc.cgroup.devices.allow = c 1:3 rwm
>> lxc.cgroup.devices.allow = c 1:5 rwm
>> # consoles
>> lxc.cgroup.devices.allow = c 5:1 rwm
>> lxc.cgroup.devices.allow = c 5:0 rwm
>> lxc.cgroup.devices.allow = c 4:0 rwm
>> lxc.cgroup.devices.allow = c 4:1 rwm
>> # /dev/{,u}random
>> lxc.cgroup.devices.allow = c 1:9 rwm
>> lxc.cgroup.devices.allow = c 1:8 rwm
>> lxc.cgroup.devices.allow = c 136:* rwm
>> lxc.cgroup.devices.allow = c 5:2 rwm
>> # rtc
>> lxc.cgroup.devices.allow = c 254:0 rwm
>>
>> # mounts point
>> lxc.mount.entry = proc proc proc nodev,noexec,nosuid 0 0
>> lxc.mount.entry = sysfs sys sysfs defaults  0 0
>> lxc.mount.entry = /images  /var/lib/lxc/utel-kde/rootfs/images none bind 0 0
>>
>>
>> lxc.network.type=macvlan
>> lxc.network.macvlan.mode=bridge
>> lxc.network.link=eth1
>> lxc.network.flags=up
>> lxc.network.hwaddr = e2:91:a8:17:97:e4
>> lxc.network.ipv4 = 0.0.0.0/21
>>
>>
>> How do make the kernel loop module available for the container?
>>
>> Yours
>> Philip
>> _______________________________________________
>> lxc-users mailing list
>> lxc-users at lists.linuxcontainers.org
>> http://lists.linuxcontainers.org/listinfo/lxc-users
>
> --
> Michael H. Warfield (AI4NB) | (770) 978-7061 |  mhw at WittsEnd.com
>    /\/\|=mhw=|\/\/          | (678) 463-0932 |  http://www.wittsend.com/mhw/
>    NIC whois: MHW9          | An optimist believes we live in the best of all
>  PGP Key: 0x674627FF        | possible worlds.  A pessimist is sure of it!
>
>
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