From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from nproxy.gmail.com ([64.233.182.204]) by canuck.infradead.org with esmtp (Exim 4.43 #1 (Red Hat Linux)) id 1DhzaM-000184-Hs for linux-mtd@lists.infradead.org; Mon, 13 Jun 2005 20:47:23 -0400 Received: by nproxy.gmail.com with SMTP id l37so72399nfc for ; Mon, 13 Jun 2005 17:47:18 -0700 (PDT) Message-ID: <2cd57c9005061317475230cfee@mail.gmail.com> Date: Tue, 14 Jun 2005 08:47:18 +0800 From: Coywolf Qi Hunt To: Andre In-Reply-To: <004d01c57074$ad3758d0$6702a8c0@niro> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline References: <004d01c57074$ad3758d0$6702a8c0@niro> Cc: linux-mtd@lists.infradead.org Subject: Re: suggestion on use of linux-mtd Reply-To: Coywolf Qi Hunt List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On 6/14/05, Andre wrote: > My apologies for my previous post > http://lists.infradead.org/pipermail/linux-mtd/2005-June/012816.html >=20 > I managed to find the mtd-jffs2-howto in the mtd source tree, which conta= ins > all the instructions for building the kernel. >=20 > I have been running ext3 on diskonchip2000 (using m-sys trueffs driver) f= or > quite a while now and have not run into any problems yet, although I neve= r > did any asynchronous power off tests. I can boot off diskonchip using a > special version of lilo and initrd. >=20 > I would really like to try linux-mtd, however I am not quite sure if it i= s > suitable for my use of the diskonchip. First of all, my application will > create up to 32KB/s of data, and it will run for several hours (if not da= ys > at lower data rate). The diskonchip will be at least 384MB up to a maximu= m > of 1GB. The OS (trimmed down LFS5.0, patched 2.4.27) is about 35M and liv= es > in the same partition. Asynchronous power offs cannot be ruled out due to > the nature of the instrument that will host the cpu board with the > diskonchip. >=20 > The mtd-jffs-howto refers to NFTL for diskonchip devices, but also talks > about JFFS2 and how production worthy it is and it looks like some work h= as > been done in the area of powercycle testing, but the link provided is not > valid. >=20 > What exactly does one get with *just* NFTL, i.e. does it makes sense to r= un > ext3 on top of NFTL? Is NFTL production ready? No. NFTL is for compatibility purpose. >=20 > There is also a comment that says JFFS2 does not work on DOC, but I assum= e > that comment is old. What exactly is the status of JFFS2 for diskonchip --=20 Coywolf Qi Hunt http://ahbl.org/~coywolf/