Thanks J. R. Okajima for your prompt response to all my queries. Hi All, I am currently implementing AUFS for read only rootfs on an embedded linux running on ARM CORTEX A9. Can any one among the users share their experience of AUFS on ARM Cortex A9 on resource usage and stability. Also how we can implement an end user configuration file on the read only rootfs tree. Regards, Ratheendran ---------- Forwarded message ---------- From: <[1]sf...@users.sourceforge.net> Date: Mon, Dec 22, 2014 at 3:00 PM Subject: Re: Aufs support on embedded linux To: Ratheendran R <[2]ratheendra...@gmail.com> Ratheendran R: > I have a alternative to reboot the system with root file-system as read > write and do the necessary changes and then change to read only. I am > looking for a more practical and user friendly way to achieve it.please > share your experience. How about this? - you have two layers currently. /u = /rw + /ro - insert a new layer between them. /u = /rw + /mid + /ro - bottom /ro is your original system, readonly. - top /rw is to make your system writable. - middle is end-users cusomizable files, usually readonly but readwrite  when necessary. as you might know, you can change the r/w permission  of a layer by "mount -o remount,mod:/mid=rw /your/aufs". > Also I would like to know the stability and resource usage in a embedded > system running on a ARM Cortex A9. Unfortunately I have very few experiences on ARM chips. I'd suggest you to ask on aufs-users ML. Other people may give good advices for ARM or even end-user customizable way. J. R. Okajima
References 1. mailto:sf...@users.sourceforge.net 2. mailto:ratheendra...@gmail.com
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