ext3 to ext4 ,how?

[ning luwen]

On Thu, Feb 26, 2009 at 8:34 PM, Mark Haney <mhaney at ercbroadband.org> wrote:

> ning luwen wrote:
> > i use ubuntu 9.04 update from ubuntu 8.10,so the file system is ext3,is
> > there any way change the partition mounted the / to ext4 without a
> totally
> > new install?
> > ps:my english is not good ,did i made my question clear enough?
> >
> >
> http://www.cyberciti.biz/tips/linux-convert-ext3-to-ext4-file-system.html
>
> This is a good tutorial on how to do it.  My recommendation is, if
> you're a n00b or have any data you simply don't want to lose in random
> FS bugs, don't move to ext4.
>
> I've not had any trouble myself with ext4, but that doesn't mean you
> won't.  Two things I should reiterate. One, don't use on a production
> system unless you have reliable backups and downtime isn't an issue.
> Two, don't upgrade the fs on /boot to ext4.  At least not yet.
>
>
>
> --
> Mark Haney
> mhaney at ercbroadband.org
> Fedora release 9 (Sulphur)
>  Kernel: 2.6.27.9-73.fc9.i686 GNU/Linux
>
>  06:48:33 up 11 days, 11:54,  2 users,  load average: 0.28, 0.18, 0.11
>
>
>
>
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got it! thank you!
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