[ovirt-users] is ovirt-node.iso supposed to create a readonly filesystem?

[Jeremiah Jahn]

awesome thanks!

On Thu, Apr 10, 2014 at 8:30 AM, Jorick Astrego <j.astrego at netbulae.eu> wrote:
> On Thu, 2014-04-10 at 08:02 -0500, Jeremiah Jahn wrote:
>
> On Thu, Apr 10, 2014 at 5:46 AM, Fabian Deutsch <fabiand at redhat.com> wrote:
>> Am Donnerstag, den 10.04.2014, 09:19 +0300 schrieb Itamar Heim:
>>> On 04/09/2014 11:01 PM, Jeremiah Jahn wrote:
>>> > I'm assuming the answer is no. But for some reason I seem to be
>>>
>>> the answer is yes actually. if you want a host you can change, use plain
>>> fedora/rhel/centos as the host.
>>> Fabian can reply to the rest.
>>
>> Yep. Node has a read-only root filesystem, which has some overlays to
>> allow limited changes.
>
> And yet I've been able to edit the /etc/hosts file before this
> problem? Does it go readonly after a while?
>
> Actually /etc is mounted in tmpfs so not persistent:
>
> cat /proc/mounts |grep etc
> none /etc tmpfs
> rw,rootcontext=system_u:object_r:var_lib_t:s0,seclabel,relatime 0 0
>
> So if you want to change things you have to change it in "/config/etc/"
>
>
>>> the answer is yes actually. if you want a host you can change, use plain
>
>>> fedora/rhel/centos as the host.
>>> Fabian can reply to the rest.
>
> You can just as easily do a "mount -o rw,remount /" to edit things if you
> want but you have to do this on every node and again after upgrading to a
> newer version of node.
>
> I see it's there in the wiki:
>
> http://www.ovirt.org/Node_Troubleshooting#Making_changes_on_the_host
>
>
> Kind regards,
>
> Jorick Astrego
> Netbulae B.V.
>