Jaunty experiences?

Mike.lifeguard mikelifeguard at fastmail.fm
Tue Apr 28 16:16:45 UTC 2009


Yes, there are several issues (see
http://ftp.heanet.ie/mirrors/fosdem-video/2009/maintracks/ext4.xvid.avi
or https://bugs.launchpad.net/ubuntu/+source/linux/+bug/317781 for
example) but there are large performance benefits, and those issues are
close to being resolved. I did say "thinking about" it :D In the end, I
think I will wait for several of those issues to be resolved: 1) online
defrag - not a huge issue, but ext4 isn't ready until that's implemented
2) the issue with tiny dotfiles (etc) being lost on crash is actually
not ext4's fault, but a workaround is either in the works or newly
applied (I'm not sure where to look to figure that out) and as I am on a
laptop, I'd like that resolved before adopting (though of course
applications need to be fixed) 3) can't remember... I think it was that
converting back and forth isn't ready (maybe I'm wrong on that...)

So, those are enough for me to wait. But now I know better what I'm
doing when I do transition.

-Mike

On Mon, 2009-04-27 at 22:39 -0400, Andrew Mathenge wrote:

> Out of curiosity, why are you thinking of going to ext4? ext3 under
> Jaunty works really well. The code for ext4 is fairly new (December
> 25th, 2008) and looks like it's geared to super large file systems.
> Even though the attractiveness of some of the newer features (e.g.,
> performance, 64-bit storage limits for large file systems) are
> attractive, perhaps waiting a year, or a couple of years, for the code
> to mature might be worth it.
> 
> Andrew.
> 
> On Mon, Apr 27, 2009 at 4:58 PM, Mike.lifeguard
> <mikelifeguard at fastmail.fm> wrote:
> > I'm actually in the middle of an upgrade right now. I was thinking of using
> > ext4 - how does one convert the filesystem? I guess there is an option to do
> > that in Gparted - is that what I should be looking for?
> >
> > -Mike
> >
> > On Mon, 2009-04-27 at 16:24 -0300, Doooh Head wrote:
> >
> >> I think the error 2 was caused by my not repartitioning the drive, and
> >> just using the old partitions but formatting them. Apparently older
> >> versions of ubuntu used a 128B inode size for ext3, and 9.04 uses
> >> inodes of 256B. A quick reinstall of grub to the MBR fixed that
> >> problem right up.
> >
> >
> > Oh that was something I attempted as well since I had to reinstall. I
> > reformatted my main partition to use the new ext4 file system. From what
> > I've read its supposed to be faster but may have some issues. So far its
> > been ok.
> >
> > Doooh
> >
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> 
> 
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