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Full Discussion: Rename Root Logical Volume group?
Operating Systems Linux Ubuntu Rename Root Logical Volume group? Post 302837733 by moneynut on Friday 26th of July 2013 03:19:32 PM
Old 07-26-2013
I managed to fix it. Here are the steps:
1. Boot into Ubuntu – Rescue mode
2. Do not mount the root file system
3. lvm vgscan
4. Deactivate the volume group
  • a. vgchange –a n VOLUME-GROUP-NAME
    b. lvm lvscan
5. Rename the volume group
  • a. lvm vgrename OLD-NAME NEW-NAME
    b. lvm lvscan
    c. It will be activated automatically, if not type vgchange –a y NEW-VOLUME-GROUP-NAME
6. Exit and choose different file system
  • a. select ROOT file system
7. Backup /etc/fstab file
  • a. cp –p /etc/fstab /etc/fstab.old
8. Edit /etc/fstab and replace OLD-NAME
  • a. vi /etc/fstab
    b. :%s/OLD--NAME/NEW-NAME/g
9. If /boot is empty, then mount /dev/sda1
  • a. mount /dev/sda1 /boot
10. Install grub and update it.
  • a. grub-install /dev/sda
    b. update-grub
11. Exit and reboot the server.
12. Boot from hard disk.
 

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LEARN ABOUT BSD

lvrename

LVRENAME(8)						      System Manager's Manual						       LVRENAME(8)

NAME
       lvrename - rename a logical volume

SYNOPSIS
       lvrename  [-A|--autobackup  {y|n}]  [-d|--debug]  [-h|--help]  [-t|--test] [-v|--verbose] [--version] [-f|--force] [--noudevsync] {OldLogi-
       calVolume{Name|Path} NewLogicalVolume{Name|Path} | VolumeGroupName OldLogicalVolumeName NewLogicalVolumeName }

DESCRIPTION
       lvrename renames an existing logical volume from OldLogicalVolume{Name|Path} to NewLogicalVolume{Name|Path}.

OPTIONS
       See lvm(8) for common options.

       --noudevsync
	      Disable udev synchronisation. The process will not wait for notification from udev.  It will continue irrespective of  any  possible
	      udev  processing	in the background.  You should only use this if udev is not running or has rules that ignore the devices LVM2 cre-
	      ates.

EXAMPLE
       To rename lvold in volume group vg02 to lvnew:

       lvrename /dev/vg02/lvold vg02/lvnew

       An alternate syntax to rename this logical volume is:

       lvrename vg02 lvold lvnew

SEE ALSO
       lvm(8), lvchange(8), vgcreate(8), vgrename(8)

Sistina Software UK					 LVM TOOLS 2.02.95(2) (2012-03-06)					       LVRENAME(8)
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