SAP ASE Start-up Sequence

SAP ASE performes a specific sequence of steps at start-up.

  1. System databases are recovered on engine 0.
  2. SAP ASE accepts user connections.
  3. All engines that are configured to be online during start-up are brought online.
  4. User databases are recovered in parallel by a “self-tuned” number of recovery tasks using the default data cache tuned for optimal recovery performance.

During a fail over in a high availability system, failed over user databases are recovered and brought online in parallel.