[ale] Seeking LVM presentation [ was: LVM - Can't add new drive?]

[Michael Hirsch]

This might be a good time to extend a general invitation to give a
presentation on LVM.  LVM is a tool that many casual users don't know
much about, but it should be in our bag of tricks.  So, if you use VLM,
please consider volunteering to present it to the rest of us.

ALE Central has no speaker for February, and later dates are available
too.  Email me to schedule your talk.

Thanks,

Michael

> -----Original Message-----
> From: ale-bounces at ale.org [mailto:ale-bounces at ale.org] On Behalf Of
Kent
> Pirkle
> Sent: Saturday, January 22, 2005 1:26 PM
> To: Atlanta Linux Enthusiasts
> Subject: Re: [ale] LVM - Can't add new drive?
> 
> Once you've extended the logical volume, you need to extend the
> filesystem as well, using either resize2fs or ext2online (to resize
> without unmounting).b
> 
> If you want to shrink a logical volume, always shrink the filesystem
> first, then the lv.
> 
> 
> On Sat, 22 Jan 2005 13:00:08 -0500, Nathan J. Underwood
> <ale1 at cybertechcafe.net> wrote:
> > I have an FC3 box with a single 30GB drive.  When I built the box, I
> > knew that I would need more than the 30GB for the /home partition,
but
> > didn't have a larger drive at the time (had one, but it was in use
in
> > the box that this box is replacing).  At any rate, I setup the /home
> > partition to be an lvm partition.  I'm now to the point of adding
the
> > new drive to the new machine, but I can't seem to get it to 'see'
that
> > new space.  I added the drive, and created (using fdisk) added one
> > single 160GB lvm (type 8e) partition.  I then used vgextend to add
that
> > drive to my volume group (VolGroup00, not creative, but that wasn't
the
> > idea).  Then, I did lvextend -L 100G /dev/VolGroup00/LogVol00, and
got
> > no errors.  lvdisplay shows that the LVSize is 150.00GB, but df -h
only
> > shows the following:
> >
> > [root at linux-fs2 home]# df -h
> > Filesystem            Size  Used Avail Use% Mounted on
> > /dev/hda1             9.7G  1.7G  7.5G  19% /
> > none                  252M     0  252M   0% /dev/shm
> > /dev/mapper/VolGroup00-LogVol00
> >                         18G  4.5G   13G  27% /home
> >
> > I'm on the howto from tldp
> > (http://www.tldp.org/HOWTO/LVM-HOWTO/index.html) now trying to
figure
> > out what I've missed, but would appreciate any gentle nudges in the
> > right direction.
> >
> > nathan
> >
> > --
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