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Full Discussion: mount LVM duplication drives
Top Forums UNIX for Advanced & Expert Users mount LVM duplication drives Post 302123271 by onthetopo on Monday 25th of June 2007 01:31:57 AM
Old 06-25-2007
thanks that's a good way to start if you are installing a brand new system.
But i can't afford a system reinstalltion of my primary hd.

If my primary didn't have LVM partition I would just create a RAID1 image on the backup hd. However, since the LVM partition already exists on my primary hd and since I don't want to fdisk my primary hd, I could only clone it to my backup hd and hope to mount it. The problem is simply that the cloned hd couldn't be mounted when booting from primary hd since both hd have identical volume ID fingerprint. I hope there is someway to change the id of one hd.
 

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lvrmboot(1M)															      lvrmboot(1M)

NAME
lvrmboot - remove LVM logical volume link to root, primary swap, or dump volume SYNOPSIS
autobackup] dump_lv] vg_name Remarks cannot be performed if the volume group is activated in shared mode. DESCRIPTION
This command is supported for arguments belonging to volume groups version 1.0. Attempting this command with arguments belong to volume groups version 2.0 or higher will result in an error. The command updates all physical volumes contained in the volume group vg_name such that the logical volume is removed as a root, primary swap, or dump volume when the system is next booted on the volume group. Options and Arguments recognizes the following options and arguments: vg_name The path name of the volume group. Set automatic backup for this invocation of this command. autobackup can have one of the following values: Automatically back up configuration changes made to the logical volume. This is the default. After this command executes, the command (see vgcfgbackup(1M)) is executed for the volume group to which the logical volume belongs. Do not back up configuration changes this time. Remove the definition of dump_lv as one of the dump volumes. Update the Boot Data Reserved Area. This option will be obsolete in the next HP-UX release. Remove the definitions of all of the root, primary swap, and all dump volumes from the given volume group. Update the Boot Data Reserved Area. Remove the definition of the primary swap volume from the given volume group. Update the Boot Data Reserved Area. This option will be obsolete in the next HP-UX release. Print verbose messages. EXTERNAL INFLUENCES
Environment Variables determines the language in which messages are displayed. If is not specified or is null, it defaults to "C" (see lang(5)). If any internationalization variable contains an invalid setting, all internationalization variables default to "C" (see environ(5)). EXAMPLES
Specify that the logical volume should be removed as one of the dump logical volumes: Specify that volume group should no longer be a root volume group. Primary swap and dump are also removed. SEE ALSO
lvlnboot(1M), lvmadm(1M). lvrmboot(1M)
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