02-07-2012
Does the new (target) machine has FC ?
If it does :
Make a vgexport of SAN volume group (preview -p -m -s, it will not export).
Save the map file under /root filesystem (on OS source disks).
Take IGNITE backup of entire OS.
Restore IGNITE backup to new machine.
Make local disk setup (pvcreate, vgcreate etc.)
Depresent the SAN disks from source machine
Present same SAN disks to the new machine (verify you see all LUNS correctly)
Do a vgimport with map file (with neccesary steps taken before like mknod, check HPUX LVM.)
Use cp / rsync to copy the data from SAN disks to local disks.
Mount the local disk layout and check service.
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LEARN ABOUT CENTOS
vgscan
VGSCAN(8) System Manager's Manual VGSCAN(8)
NAME
vgscan - scan all disks for volume groups and rebuild caches
SYNOPSIS
vgscan [-d|--debug] [-h|-?|--help] [--ignorelockingfailure] [--mknodes] [-P|--partial] [-v|--verbose]
DESCRIPTION
vgscan scans all SCSI, (E)IDE disks, multiple devices and a bunch of other disk devices in the system looking for LVM physical volumes and
volume groups. Define a filter in lvm.conf(5) to restrict the scan to avoid a CD ROM, for example.
In LVM2, vgscans take place automatically; but you might still need to run one explicitly after changing hardware.
OPTIONS
See lvm(8) for common options.
--mknodes
Also checks the LVM special files in /dev that are needed for active logical volumes and creates any missing ones and removes unused
ones.
--cache
Scan devices for LVM physical volumes and volume groups and instruct the lvmetad daemon to update its cached state accordingly.
SEE ALSO
lvm(8), vgcreate(8), vgchange(8)
Sistina Software UK LVM TOOLS 2.02.105(2)-RHEL7 (2014-03-26) VGSCAN(8)