El Tue, Jan 19, 2010 at 05:20:53PM +0800 Johnny Hung ha dit: > I have build an embedded Linux system and rootfs is a ramdisk. Ramdisk > rootfs resides in memory so modify files is non-effective after a > reboot. Some directories in rootfs, like /etc, /usr, ... are contain > many application configuration files and I want to mount it to jffs2 > flash filesysyem so it will take effect after a reboot. Is it > possible? yes, this is possible > I know the flash has write times limited so the log files > (syslogd/klogd) should not store in flash. In general, how to deploy > root file system for embedded linux with flash storage? - add jffs2 support to your kernel - create your image using mkfs.jffs2 from mtd-utils - flash the image - specify the rootfs partition and type in the bootargs of the kernel for further information i recommend the lecture of http://free-electrons.com/doc/flash-filesystems.pdf depending on your requirements/size of the rootfs partitions UBIFS might be an option to consider -- Matthias Kaehlcke Embedded Linux Developer Barcelona El trabajo es el refugio de los que no tienen nada que hacer (Oscar Wilde) .''`. using free software / Debian GNU/Linux | http://debian.org : :' : `. `'` gpg --keyserver pgp.mit.edu --recv-keys 47D8E5D4 `- -- To unsubscribe from this list: send the line "unsubscribe linux-embedded" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
