Ahh! Resizing ext3

[Daniel Gimpelevich]

That would probably not fail if you used pdisk instead of fdisk, but you'd
need an extra scratch drive that's larger, and it defeats the purpose of
the original question of how to resize in place.

On Tue, 18 Jan 2005 21:23:10 -0600, Heath Henderson wrote:

> Not sure if this will work on the YDL distro, but it should.  I just did
> a fedora Laptop today the following.
> 
> I had a new HD (larger than the original).  I have a PCMCIA laptop Hard
> drive (external) adapter.  Really nice by the way.  Anyway, hook up to
> laptop.  
> Boot to rescue CD.  At prompt "linux rescue"
> 
> Boot into it.  Do not mount local filesystem and choose to not start
> network. at the prompt
> bash:# dd if=/dev/hda of=/dev/hdb
> Makes and exact dup of the original drive.
> 
> Once complete (on my old 300mhz laptop it took a while)
> place the new HD in as primary.  REMOVE THE OLD Primary drive.  This is
> your backup of your data (in case something happens with the new drive).
> 
> Boot to the rescue CD again.  choose not to start network and also
> choose not to mount or detect filesystem.
> 
> once at a prompt. Blow away the partition you want.
> In my case this was my setup
> Partition 1 = /boot = 100MB
> Partition 2 = swap  = 512MB
> Partition 3 = /        = 4000MB
> Partition 4 = (Currently unused space = 15GB)
> 
> Using fdisk -l I listed all the partitions and the start and end points
> for each.  
> run fdisk /dev/hda (or your device here)
> At which point, I deleted partition 3 (choose m if you need help)
> I resize it by creating a new partition with the same starting point as
> my original partition 3.  I chose to end it with the maximum space
> available (which brought me out to the extra 15gb).  
> Once done, I saved the partition changes (wrote them back to the
> partition table).
> quit fdisk. At a prompt
> type fsck -f /dev/hda3
> fsck -f dev/hda1
> resize2fs /dev/hda3
> rebooted and all was well with the world.  Give it a shot.  As long as
> you have space and can check your start and end points you should be
> fine.  If you are trying to reduce in size, good luck.  You might have
> some trouble there.  I would suggest getting a larger HD then you have
> some room to place at the end of the partition once you DD it.
> 
>  
> 
> Heath Henderson
> Assistant Technology Administrator
> McLean County Unit 5 Schools
> Normal, IL 61761   
> 
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> 
>>>> the.only.monkey at gmail.com 01/18/05 8:09 PM >>>
> I'm having a terrible time resizing my ext3 filesystem so that I have 
> room to test out a few other distros, and maybe install Mac OS X. I 
> tried the parted bootdisks, I tried a Gentoo LiveCD, I tried 
> *everything!* No matter what, I kept getting an error about a strange 
> partition map, or something. If anybody has figured out a way to resize 
> their filesystem on their PPC, please let me know.
> 
> -- Monker
> 
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