Install ext3fs with FAI

[Albrecht Frank]

chewie at wookimus.net wrote:
> 
> > The only things to change were to generate a kernel with ext3-support
> > (2.4.17) for the target machine, set an extra step with 'tune2fs -j' in
> > setup_harddisks after mke2fs (of course, make-fai-nfsroot), create a script
> > EXT3 which changes the entries 'ext2' to 'ext3' in the fstab after
> > installation (cfengine), define this script as a class for the target
> > computer.
> 
> A suggestion: use the filesystem type "auto" instead of ext3.  At boot, your
> kernel will pick the appropriate filesystem: ext3 if the fs is capable (already
> tuned), or ext2 if not.  Additionally, you can still use recovery discs that
> may only support ext2.

Thank you very much for the tip!

> 
> > Up to now its running without problems. And it seems to be faster than
> > ext2fs. The relatively more faster the faster the cpu is.
> 
> Are you certain it's faster?  I don't know much about the particulars of how
> ext3 is implemented, but I was under the impression that a slight performance
> hit was the tradeoff for journalling.

Just test it. Generate a kernel, "tune2fs" a spare partition, mount it 
as ext3, make an emacs dirlist. I don't have any measurements but with
emacs its feeling faster.

Greetings
Albrecht