[yocto] [meta-raspberrypi] Read-Only RootFS is not read only
Paul Eggleton
paul.eggleton at linux.intel.com
Fri Aug 2 05:47:07 PDT 2013
Hi Rich,
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?
Cheers,
Paul
--
Paul Eggleton
Intel Open Source Technology Centre
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