Re: LVM management question

[Robert Threet <rthreet@yahoo.com>]

--- Robert Threet <rthreet@yahoo.com> wrote:
> I tried lvextend -L+1G /dev/Volume02/LogVol00 which reported that
> only "1 physical extent left" or something.  This is my /usr BTW. 
> Next I created a LVM partition with fdisk.  Then did a pvcreate,
> then
> added this to the logical volume, then repeated "lvextend -L+1G
> /dev/Volume02/LogVol00" whiched reported success.  df reports no
> change?!  Although 1GB of /dev/hda8 is used somewhere.
> pvscan -- reading all physical volumes (this may take a while...)
> pvscan -- ACTIVE   PV "/dev/hda5" of VG "Volume02" [2.92 GB / 0
> free]
> pvscan -- ACTIVE   PV "/dev/hda6" of VG "Volume01" [1.95 GB / 2 MB
> free]
> pvscan -- ACTIVE   PV "/dev/hda7" of VG "Volume00" [500 MB / 0
> free]
> pvscan -- ACTIVE   PV "/dev/hda8" of VG "Volume02" [1.95 GB / 976
> MB
> free]
> pvscan -- total: 4 [7.32 GB] / in use: 4 [7.32 GB] / in no VG: 0
> [0]
> 
> Okay, I'll try it your way now...  [just a min...]e2fsck 1.27
> (8-Mar-2002)
> /dev/Volume02/LogVol00: recovering journal
> Pass 1: Checking inodes, blocks, and sizes
> Pass 2: Checking directory structure
> Pass 3: Checking directory connectivity
> Pass 4: Checking reference counts
> Pass 5: Checking group summary information
> /dev/Volume02/LogVol00: 125693/382464 files (0.3% non-contiguous),
> 713885/764928 blocks
> resize2fs 1.27 (8-Mar-2002)
> /sbin/resize2fs: No space left on device while trying to resize
> /dev/Volume02/LogVol00
> 
> Bummer.  my / has only 427M.  Is that the largest chunk I can work
> with?  I'll be trying it again!

Nope!  I freed up 679MB on /.  I went down to only adding 100M - No
dice!  I'm missing some rules somehwere...  My root is LVM too.  Is
that bad?

> 
> 
> --- Steven Pritchard <steve@silug.org> wrote:
> > On Wed, Dec 04, 2002 at 07:58:32AM -0800, Robert Threet wrote:
> > > Is anybody using this?
> > 
> > I am on several systems now.
> > 
> > > I have it installed. Now I need to increase the size. So far,
> the
> > > docs are pretty confusing and not much help. Google searches
> > return a
> > > lot of bum useless links. What's the quick-n-dirty howto for
> > making
> > > an LVM larger?
> > 
> > First, unmount the filesystem.  Then, let's assume that you have
> a
> > /dev/vg00/lv05 that you want to expand (or reduce) to 10GB. 
> You'd
> > just run this:
> > 
> >     e2fsadm -L 10G /dev/vg00/lv05
> > 
> > Of course, I'm assuming that the filesystem is ext2 or ext3 (and
> > you
> > have a recent e2fsprogs with resize2fs).  If you are using
> another
> > filesystem, you'll have to do the whole thing manually with
> > whatever
> > tool resizes your filesystem and lvextend/lvreduce.
> > 
> > I'm also assuming that you have room to expand in your volume
> > group.
> > If you need to expand the volume group, you'll need to use
> pvcreate
> > and vgextend.
> > 
> > Steve
> > -- 
> > steve@silug.org           | Southern Illinois Linux Users Group
> > (618)398-7360             | See web site for meeting details.
> > Steven Pritchard          | http://www.silug.org/
> > 
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> 
> 
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