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[NMLUG] Minimalist kernel
On Thursday 06 October 2005 13:44, bharat krishnamurthy wrote:
> On Thu, 6 Oct 2005, Andres Paglayan wrote:
> > The other,
> > I have little project involving a mini-itx via epia booting from a
> > compact flash card.
> > I am trying to minimize the read write cycles on the card.
> > for doing so I am enabling laptop-mode, doing logs in a ram disk (cp
> > them at boot and back at shutdown, still trying to figure this out),
> > and I'd like to adjust the commit interval in the ext3 from 5 seconds
> > to something higher, but: I don't know which file system will be
> > recommended for a CF card; I
No, no...changing the commit interval on ext3 or any other kind of solution
with a regular file system isn't going to do what you want; you'll end up
with prematurely dead FLASH.
> Try JFFS. Although I havent tried it personally it seems to be a good
> file system for flash cards. I have tried ReiserFS on flash and it works
> just fine.
Yes, JFFS is absolutely the right way to do this. But don't confuse it with
JFS. ;)
Actually, what you want to be using is JFFS2, not the original JFFS. (The
original JFFS has some issues with FLASH wear, among other things.)
Fortunately, JFFS2 has been included in the Linux kernel sources for quite
some time, all you need to do is load a module or compile it in. =)
See <http://en.wikipedia.org/wiki/JFFS2> for a good starting place if you
want to read up.
--
Wesley J. Landaker <wjl@icecavern.net> <xmpp:wjl@icecavern.net>
OpenPGP FP: 4135 2A3B 4726 ACC5 9094 0097 F0A9 8A4C 4CD6 E3D2
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