Firewall device has two disk partitions: Partition 1 => 5.0.X Partition 2 => 5.0.Y (current active version) When you install now 6.0.X, it will overwrite 5.0.X So after reboot Partition 1 will be active. Then you install the next update to 6.1.X, this will overwrite Partition 2. Partition 1 => 6.0.X Partition 2 => 6.1.X (active version after upgrade finished) But now the stable 5.0.Y version which was running without issues is no longer available for rollback in case of issues with the new version. Is there a possibility to select the Partition which is used for installation of upgrades? I would rather like to overwrite the interim 6.0.X version with the final 6.1.X version than the 5.0.Y version which was running before the upgrade. The only rollback method would be to do a time consuming factory reset and install 5.0.Y? Does anybody have experience with upgrades jumping over several major versions?
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