5-90 Installing and Using UtilitiesFigure 5- 4. Committing the UpgradeWhen the RDR disk resychronization is finished, all critical system resources arerunning in duplex mode, and the Active Upgrade process is complete. You do notneed to restart the system, and, because your application is already running on theupgraded software, there is no additional downtime.TIPS:• “Aborting the Active Upgrade Process” on page 5-90• “Active Upgrade State Model” on page 5-91• “Software Upgrade Support” on page 5-94• “Prerequisites” on page 5-95Aborting the Active Upgrade ProcessAborting the Active Upgrade process stops the current upgrade session and returns your system toits original state. If necessary, you can abort the Active Upgrade process at any point up until youcommit the upgrade.If you abort the upgrade session while the system is in split mode, no downtime is incurred. Yourapplications continue to run on the Production Side while the Active Upgrade console restores thesystem to duplex mode.If you abort the upgrade session while the system is in merge mode, a short period of downtime isincurred while the Active Upgrade console initiates a system restart. The Active Upgrade consoleshuts down the Upgrade Side and restarts the system from the Production Side, which automaticallyrestarts your applications from the Production Side. The period of downtime is only as long as ittakes your system and applications to restart.
