Home RAID question

[Corey Edwards]

On Thu, 2006-05-11 at 12:26 -0600, Scott Paul Robertson wrote:
> On Thu, May 11, 2006 at 12:17:46PM -0600, Corey Edwards wrote:
> > Reiserfs is a particularly good filesystem in tandem with LVM because
> > you can expand the filesystem while it's mounted, and you can shrink it
> > unmounted. Ext3 can also expand and shrink, but only unmounted. XFS and
> > JFS can not be shrunk.
> > 
> 
> Ext3 can expand when mounted as well.

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?

Corey

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