2010/1/20 Matthias Kaehlcke <matthias@xxxxxxxxxxxx>: > El Wed, Jan 20, 2010 at 08:57:44AM +0100 Marco Stornelli ha dit: > >> 2010/1/20 Johnny Hung <johnny.hacking@xxxxxxxxx>: >> > 2010/1/19 Matthias Kaehlcke <matthias@xxxxxxxxxxxx>: >> >> El Tue, Jan 19, 2010 at 02:17:22PM +0100 Ricard Wanderlof ha dit: >> >> >> > I consider to use ramdisk as rootfs because worry about wrong >> > operation in rootfs (is use jffs2 rootfs) and it will cause system >> > boot up failed. >> > Another query, does the syslogd/klogd log files also store in jffs2 >> > rootfs? Write to jffs2 frequently will reduce flash life cycle. >> > >> > BRs, H. Johnny >> >> >> >> -- >> >> In general a good splitting for rootfs could be: squashfs for rootfs, >> tmpfs for volatile data (/tmp), ubifs (with a flash partition) for >> "strong" permanent data (/etc, ....) and pramfs for "light" permanent >> data (/var/log, .....). > > if ubifs is a good choice depends on the size of the partition, iirc > it has a significant overhead for very small partitions. > > once using ubi it could be interesting to set up the read-only rootfs > partition upon ubi in order to spread the wear out over a maximum of blocks. > I don't know the size constraints of Johnny, so it can be useful to use jffs2. Marco -- 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
