[yocto] [meta-raspberrypi] Read-Only RootFS is not read only

Rich Bayliss richbayliss at gmail.com
Sun Aug 4 16:51:01 PDT 2013


Sorry Paul - I am new to all this. I have checked and I am using Poky (1.4)

Rich

On 4 August 2013 23:35, Paul Eggleton <paul.eggleton at linux.intel.com> wrote:
> On Sunday 04 August 2013 01:27:01 Rich Bayliss wrote:
>> On 2 August 2013 13:47, Paul Eggleton <paul.eggleton at linux.intel.com> wrote:
>> > On Tuesday 30 July 2013 11:43:43 Rich Bayliss wrote:
>> >> I am trying to build for Raspberry Pi including "read-only-rootfs" in
>> >> my image features. My aim is to have my SD Card read-only and at some
>> >> point add a read-write overlay to certain directories. This should
>> >> enable my system to boot fresh each time, and have some persistent
>> >> storage for user files etc.
>> >>
>> >> However, after building my image I can SSH into the system and issue
>> >> "touch test" to create a file in my home directory, then after a
>> >> reboot it is still there. That isn't very read-only :)
>> >>
>> >> Am I missing something, or is this working incorrectly?
>> >
>> > It sounds like it's working incorrectly. Since meta-raspberrypi constructs
>> > the SD card image using its own custom class I wonder if it has anything
>> > to do with that. Andrei, do you know anything about this?
>> >
>> > BTW, are you using sysvinit or systemd in this image?
>>
>> I am using the standard sysvinit/systemd - I haven't specified either,
>> so whichever is default.
>
> Except the default depends upon what DISTRO you are using. Which DISTRO are
> you using - "poky" or something else?
>
> Cheers,
> Paul
>
> --
>
> Paul Eggleton
> Intel Open Source Technology Centre



-- 
Rich Bayliss



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