From mboxrd@z Thu Jan  1 00:00:00 1970
From: Johnny Hung <johnny.hacking@gmail.com>
Subject: Re: mount ramdisk rootfs /etc directory to jffs2 filesystem.
Date: Fri, 22 Jan 2010 11:07:08 +0800
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To: Marco Stornelli <marco.stornelli@gmail.com>
Cc: Matthias Kaehlcke <matthias@kaehlcke.net>, Ricard Wanderlof <ricard.wanderlof@axis.com>, kernelnewbies <kernelnewbies@nl.linux.org>, "linux-mtd@lists.infradead.org" <linux-mtd@lists.infradead.org>, "linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>, "linux-embedded@vger.kernel.org" <linux-embedded@vger.kernel.org>

2010/1/20 Marco Stornelli <marco.stornelli@gmail.com>:
> 2010/1/20 Johnny Hung <johnny.hacking@gmail.com>:
>> 2010/1/19 Matthias Kaehlcke <matthias@kaehlcke.net>:
>>> 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
>>>
>>> --
>

It seems there are a lot of file-systems I have to study :P. The same
question is
how to split my rootfs? Re-mount /etc, /var to another file-sysyem mtd part when
system boot up?

Thank your good advice.
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, .....).
> I think you should "split" your rootfs. Ramdisk is an old approach
> with some drawbacks.
>
> Marco
>