Difference between revisions of "Upgrading 12SP4 LPAR to 15SP1"

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To upgrade 12SP4 LPAR to 15SP1 use:
To upgrade 12SP4 LPAR to 15SP1 use:
# Before upgrade ensure
## There is enough free space in /  (At least 50GB.  23GB is definitely less and leads to upgrade failure).
## The system is registered with latest registration codes
## Entire LPAR image level backup is taken via [[Backup of LPAR by booting into Suse installer DVD rescue mode]].  '''Expect enough surprises during upgrade.'''
# Connect two virtual optical drivers (one for installer and one for packages).  See [[Add Virtual Optical Media to LPAR with desired OS ISO image]]
# Connect two virtual optical drivers (one for installer and one for packages).  See [[Add Virtual Optical Media to LPAR with desired OS ISO image]]
# Start "Upgrade" option after booting through CD using "System management services".  See [[Activating the LPAR (Starting)]]
# Start "Upgrade" option after booting through CD using "System management services".  See [[Activating the LPAR (Starting)]]
Line 7: Line 11:
# Ideally we should have taken a backup of system (root) partition before upgrade via [[Backup of LPAR by booting into Suse installer DVD rescue mode]]
# Ideally we should have taken a backup of system (root) partition before upgrade via [[Backup of LPAR by booting into Suse installer DVD rescue mode]]
# Leave Language and Keyboard to default values and choose Next
# Leave Language and Keyboard to default values and choose Next
# Optioncally Give network IP etc. if desired.  Choose next
# If there is prompt to enable multipath select 'yes', esp. in case of FC based disks.
# Give network IP etc. either via DHCP or static.  '''We need direct access to Internet for upgrade to work'''.  Choose next
# Select Suse12SP4 partition to upddate and choose Next
# Select Suse12SP4 partition to upddate and choose Next
# Agree to license and choose next
# Agree to license and choose next
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# If system is not registered with Suse we need Full installer DVD (not two separate installer / packages).  
# If system is not registered with Suse we need Full installer DVD (not two separate installer / packages).  
#* Ideally register system and proceed.
#* Ideally register system and proceed.
#* The system should have been registered with active codes.  Sometime the activation codes are renewed yearly.  In that case we need to login to suse portal and do a fresh activation / registration before upgrade.
# Select the migration target
# Select the migration target
# Agree to use updated repositories as part of update process  
# Agree to use updated repositories as part of update process  

Revision as of 13:34, 30 August 2022

Home > VIOS or AIX > Upgrading 12SP4 LPAR to 15SP1

To upgrade 12SP4 LPAR to 15SP1 use:

  1. Before upgrade ensure
    1. There is enough free space in / (At least 50GB. 23GB is definitely less and leads to upgrade failure).
    2. The system is registered with latest registration codes
    3. Entire LPAR image level backup is taken via Backup of LPAR by booting into Suse installer DVD rescue mode. Expect enough surprises during upgrade.
  2. Connect two virtual optical drivers (one for installer and one for packages). See Add Virtual Optical Media to LPAR with desired OS ISO image
  3. Start "Upgrade" option after booting through CD using "System management services". See Activating the LPAR (Starting)
    • Press up/down arrow to get grub
  4. Ideally we should have taken a backup of system (root) partition before upgrade via Backup of LPAR by booting into Suse installer DVD rescue mode
  5. Leave Language and Keyboard to default values and choose Next
  6. If there is prompt to enable multipath select 'yes', esp. in case of FC based disks.
  7. Give network IP etc. either via DHCP or static. We need direct access to Internet for upgrade to work. Choose next
  8. Select Suse12SP4 partition to upddate and choose Next
  9. Agree to license and choose next
  10. On the repository page choose next
  11. If system is not registered with Suse we need Full installer DVD (not two separate installer / packages).
    • Ideally register system and proceed.
    • The system should have been registered with active codes. Sometime the activation codes are renewed yearly. In that case we need to login to suse portal and do a fresh activation / registration before upgrade.
  12. Select the migration target
  13. Agree to use updated repositories as part of update process
  14. Do not select any additional products for installation during upgrade.
    We can install required packages later after upgrade
  15. Wait for upgrade to complete

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