Re: LVM management question

[Robert Threet <rthreet@yahoo.com>]

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!


--- 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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