Upgrading 12SP4 LPAR to 15SP1
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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
- Start "Upgrade" option after booting through CD using "System management services". See Activating the LPAR (Starting)
- Press up/down arrow to get grub
- 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
- 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
- Agree to license and choose next
- On the repository page choose next
- 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.
- Select the migration target
- Agree to use updated repositories as part of update process
- Do not select any additional products for installation during upgrade.
- We can install required packages later after upgrade
- Wait for upgrade to complete
