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Full Discussion: mount LVM duplication drives
Top Forums UNIX for Advanced & Expert Users mount LVM duplication drives Post 302120145 by onthetopo on Monday 4th of June 2007 02:30:30 PM
Old 06-04-2007
how to mirror a disk? You mean like setup a software RAID-1. That sounds ok. I hope it's not too complicated to do so. Please tell me instructions.
I think specifically I would need to create RAID-1 over a existing LVM volume in this case.

My current setup is following:
lvm,lvdisplay:
LV Name /dev/VolGroup00/LogVol00
VG Name VolGroup00
LV UUID KBIoRf-RjpU-tJ1O-ZMdz-32ZT-iNnw-JE0YRE
LV Write Access read/write
LV Status available
# open 1
LV Size 73.41 GB
Current LE 2349
Segments 1
Allocation inherit
Read ahead sectors 0
Block device 253:0

--- Logical volume ---
LV Name /dev/VolGroup00/LogVol01
VG Name VolGroup00
LV UUID dUGkAw-Z0PV-9ZF4-ao0w-N0GG-z6oL-LljKDt
LV Write Access read/write
LV Status available
# open 1
LV Size 992.00 MB
Current LE 31
Segments 1
Allocation inherit
Read ahead sectors 0
Block device 253:1

Last edited by onthetopo; 06-04-2007 at 03:56 PM..
 

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

NAME
vgcfgrestore - restore volume group descriptor area SYNOPSIS
vgcfgrestore [-d|--debug] [-f|--file filename] [-l[l]|--list] [-h|--help] [-M|--Metadatatype1|2] [-t|--test] [-v|--verbose] VolumeGroupName DESCRIPTION
vgcfgrestore allows you to restore the metadata of VolumeGroupName from a text backup file produced by vgcfgbackup. You can specify a backup file with --file. If no backup file is specified, the most recent one is used. Use --list for a list of the available backup and archive files of VolumeGroupName. OPTIONS
-l | --list -- List files pertaining to VolumeGroupName List metadata backup and archive files pertaining to VolumeGroupName. May be used with the -f option. Does not restore Vol- umeGroupName. -f | --file filename -- Name of LVM metadata backup file Specifies a metadata backup or archive file to be used for restoring VolumeGroupName. Often this file has been created with vgcfg- backup. See lvm for common options. REPLACING PHYSICAL VOLUMES
vgdisplay --partial --verbose will show you the UUIDs and sizes of any PVs that are no longer present. If a PV in the VG is lost and you wish to substitute another of the same size, use pvcreate --restorefile filename --uuid uuid (plus additional arguments as appropriate) to initialise it with the same UUID as the missing PV. Repeat for all other missing PVs in the VG. Then use vgcfgrestore --file filename to restore the volume group's metadata. SEE ALSO
lvm(8), vgcreate(8) Sistina Software UK LVM TOOLS 2.02.95(2) (2012-03-06) VGCFGRESTORE(8)
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