On 12/20/2013 08:56 AM, Mark Haney issued this missive:
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On 12/20/2013 11:39 AM, bruce wrote:
Hi,
The drive from the 1st system is a 640G drive
The partition data from the system monitor app gives the
following:
/dev/mapper/vg_dell45_lv_root /
/dev/mapper/vg_dell45_lv_apps /apps
/dev/mapper/vg_dell45_lv_backup /backup /dev/sda1
/boot /dev/mapper/vg_dell45_lv_home /home
Make sure you have the lvm utils installed and mount by lv name.
Here's some decent instructions I googled:
http://linuxers.org/howto/how-mount-linux-lvm-volume-partitions-linux
May or may not be precisely correct being a couple of years old, but I
believe the process is similar regardless.
True. In a nutshell:
# vgchange -ay (Makes the VG known to the kernel)
# ls /dev/mapper (To find the VG-LV name of the LVM)
# mount /dev/mapper/<lvname> /mountpoint
(Mount the LVM at /mountpoint)
Example:
# vgchange -ay
# ls /dev/mapper
/dev/mapper:
control VolGroup00-LogVol00 VolGroup00-LogVol01
# mount /dev/mapper/VolGroup00-LogVol01 /mountpoint
WARNING:
If system2 uses LVMs that were created using Anaconda's defaults (the
above is an example of such a beast) AND the USB drive was done in a
similar manner, you may have duplicate VG and LV names and that won't
work. You will need to (at least) change the VG name on the USB drive
(see "man vgrename" for help there).
For this reason, I generally name the VGs after the hostname of the
machine they were created on. For example, my laptop, "golem4", has:
[root@golem4 ~]# ls /dev/mapper
control vg_golem4-lv_home vg_golem4-lv_root vg_golem4-lv_swap
so I can move its drive to another machine if necessary and not have a
VG name conflict.
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- Rick Stevens, Systems Engineer, AllDigital ricks@xxxxxxxxxxxxxx -
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- "Men occasionally stumble over the truth, but most of them pick" -
- themselves up and hurry off as if nothing had happened." -
- -- Winston Churchill -
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