IPU/notes.md

upgradeoscheck rear_nfs_export rear_rear_backup pre_upgrade upgradeinplace post_upgrade

Risk Factor: high (inhibitor) Title: Leapp detected loaded kernel drivers which have been removed in RHEL 8. Upgrade cannot proceed. Summary: Support for the following RHEL 7 device drivers has been removed in RHEL 8: - floppy - pata_acpi

if ipv6 enabled

• distable at start of IPU/bigboot workflow (prior to rear)
• if restored:
  • ipv6 enabled: restore state
• ipv6 disable via survey:
  • disabled post ipu

echo 1 > /proc/sys/net/ipv6/conf/default/disable_ipv6 echo 1 > /proc/sys/net/ipv6/conf/all/disable_ipv6

echo 0 > /proc/sys/net/ipv6/conf/default/disable_ipv6 echo 0 > /proc/sys/net/ipv6/conf/all/disable_ipv6

/etc/sysctl.conf

net.ipv6.conf.enable_ipv6 = 0

net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1

/etc/default/grub

GRUB_CMDLINE_LINUX="... ipv6.disable=1"