Home RAID question

[Corey Edwards]

On Thu, 2006-05-11 at 13:26 -0600, Andrew McNabb wrote:
> On Thu, May 11, 2006 at 01:06:14PM -0600, Corey Edwards wrote:
> > 
> > Sure coulda fooled me.
> > 
> >         # lvextend -L +2G /dev/vg0/home
> >           Extending logical volume home to 18.70 GB
> >           Logical volume home successfully resized
> >         # mount
> >         /dev/mapper/vg0-home on /home type ext3 (rw)
> >         # resize2fs /dev/vg0/home
> >         resize2fs 1.39-WIP (31-Dec-2005)
> >         /dev/vg0/home is mounted; can't resize a mounted filesystem!
> > 
> > ext3 is also annoying in that it forces an fsck before it can be
> > resized. Isn't that the whole point of a journal?
> > 
> 
> Well, duh.  If you use the wrong tool, it's not going to work. :)
> 
> If you want to resize ext2/3 online, use ext2online.

Interesting, but still not gonna work (for me).

        GNU ext2resize is a package which allows resizing ext2 and ext3
        filesystems (both shrinking and growing). The ext2resize tool is
        for resizing unmounted filesystems, and ext2online is for
        growing a mounted filesystem (it needs a kernel patch to work,
        however).

Compiling and installing into new kernel is going to take a lot longer
than unmounting. Maybe if it was merged into into the kernel and the
standard ext3 tools. But since it hasn't been updated since 2004, that
seems unlikely. I stand by my claim of unpossible.

Corey

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