Backup of LPAR by booting into Suse installer DVD rescue mode

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To take disk level image backup of LPAR to a remote location use:

  1. We should have a backup destination with dd, nc installed. It can be a Linux machine (Physical or VM) or in case of Windows install Cygwin with ddrescue and nc also selected along with default packages.
  2. Boot the LPAR via "System Management Service" so that we can go to rescue mode of CD. (Suse12SP4)
  3. Use steps similar to "Activating the LPAR (Starting)" but instead of installation, we should go to rescue mode.
  4. login with username root. It wont ask password
  5. Configure IP addressing via Ip
    ip addr add 192.168.50.242/24 dev eth0
    ip link set eth0 up
  6. In case of cygwin we can do following on destination
    cd /cgdrive/e/
    nc -l 9000 | dd of=suse-upgrade-12sp4-backup.raw
    For linux refer Cloning disks or partitions using dd
    On source we can use:
    dd if=/dev/sda | nc 192.168.50.89 9000
  7. If required we an monitor progress as explained at Cloning disks or partitions using dd


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