howto extendlvm

[JD Baudean]

I just wanted to add that you don't need to unmount the logical volume or
reboot.

On Wed, May 19, 2010 at 2:04 PM, bastian v.s <bastianvs at gmail.com> wrote:

> example
>
> lvdisplay
>
> umount  /dev/mapper/VolGroup00-LogVol00
> lvextend -L <mention size> /dev/VolGroup00-LogVol00
> resize2fs  -f /dev/VolGroup00-LogVol00
>
> init 6
> mount  -a
>
> On Wed, May 19, 2010 at 1:31 PM, madunix <madunix at gmail.com> wrote:
>
> > I want to extend an existing lvm ( volume group "VolGroup00" using
> > metadata type lvm2)
> > [root at linux2 ~]# df -kh
> > Filesystem            Size  Used Avail Use% Mounted on
> > /dev/mapper/VolGroup00-LogVol00
> >                       58G   12G   44G  21% /
> > /dev/sda1              99M   27M   68M  29% /boot
> > tmpfs                 7.9G     0  7.9G   0% /dev/shm
> > [root at linux2 ~]# vgscan
> >  Reading all physical volumes.  This may take a while...
> >  Found volume group "VolGroup00" using metadata type lvm2
> > [root at linux2 ~]# lvmdiskscan
> >  /dev/ram0                [       16.00 MB]
> >  /dev/root                [       58.84 GB]
> >  /dev/ram                 [       16.00 MB]
> >  /dev/sda1                [      101.94 MB]
> >  /dev/VolGroup00/LogVol01 [        8.78 GB]
> >  /dev/ram2                [       16.00 MB]
> >  /dev/sda2                [       67.65 GB] LVM physical volume
> >  /dev/ram3                [       16.00 MB]
> >  /dev/ram4                [       16.00 MB]
> >  /dev/ram5                [       16.00 MB]
> >  /dev/ram6                [       16.00 MB]
> >  /dev/ram7                [       16.00 MB]
> >  /dev/ram8                [       16.00 MB]
> >  /dev/ram9                [       16.00 MB]
> >  /dev/ram10               [       16.00 MB]
> >  /dev/ram11               [       16.00 MB]
> >  /dev/ram12               [       16.00 MB]
> >  /dev/ram13               [       16.00 MB]
> >  /dev/ram14               [       16.00 MB]
> >  /dev/ram15               [       16.00 MB]
> >  2 disks
> >  17 partitions
> >  0 LVM physical volume whole disks
> >  1 LVM physical volume
> > [root at linux2 ~]# fdisk -l
> >
> > Disk /dev/sda: 72.7 GB, 72746008576 bytes
> > 255 heads, 63 sectors/track, 8844 cylinders
> > Units = cylinders of 16065 * 512 = 8225280 bytes
> >
> >   Device Boot      Start         End      Blocks   Id  System
> > /dev/sda1   *           1          13      104391   83  Linux
> > /dev/sda2              14        8844    70935007+  8e  Linux LVM
> > [root at linux2 ~]#
> >
> > Can you point out the safe way to do it?
> > Am thinking to do the following steps on my RHEL5.1
> > vgs
> > pvcreate /dev/lun2
> > vgextend vg01 /dev/lun2
> > lvextend -L +1G /dev/vg01/lv01
> > resize2fs /mount/point/of/lv01
> >
> > Thanks
> >
> > --
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> >
>
>
>
> --
> With Regard`s
>                       Bastian V.S
>                       Redhat Certified Engineer
>                       Mob :+919846363663
>                       bastianvs at gmail.com
>                       linuxcrazyworld.blogspot.com
> --
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>



-- 
JD Baudean
Red Hat Consultant
RHCE