F9 for Eeepc

Jonathan Underwood jonathan.underwood at gmail.com
Sat Jan 26 00:29:37 UTC 2008

On 25/01/2008, John (J5) Palmieri <johnp at redhat.com> wrote:
> On Fri, 2008-01-25 at 15:39 -0700, Orion Poplawski wrote:
> >
> > - Flash drive.  Want to minimize writes.  One attempt (eeedora) uses the
> > ext2 filesystem rather than ext3.  Does that help?  Are there things to
> > take from stateless projects for minimizing writes to /var?
> >
> jffs2 is what we use on the OLPC, there is another FS in the works that
> is a lot better for large flash though.  I forget the name.  On modern
> flash you don't have to worry about rewrites as much though since the
> hardware randomizes writes.  What kills the disk on older flash drives
> is writing to the journal in Ext3 and writing to the FAT on Fat disks.
> Both of those are fixed locations which stress out a small portion of
> the disk.  Each flash device has only so many writes per bit before that
> bit dies.  By distributing it over the whole disk it takes a lot longer
> to destroy.  I would check the specs on the flash drive that came with
> the Eee.  Another thing you might want to do is not have a swap
> partition.  Apps run fine without swap, you just might run into OOM more
> frequently.

The eeepc drive has a FTL, so these drives don't appear as flash
drives to the OS, so jffs, yaffs, logfs and the like aren't applicable
to the eeepc, as I understand it.

> --
> John (J5) Palmieri <johnp at redhat.com>
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