A major Internet Service Provider (ISP) is providing 24×7 email, Internet, instant messaging, and other services for millions of international customers.
The ISP originally had a primary and disaster recovery farm of servers running Sybase database managers on Linux. Each farm had 16 login servers, which were geographically separated for the purpose of disaster tolerance and were interconnected by a wide area network (WAN). The ISP used Sybase data replication for Disaster Recovery between the farms (Figure 1).
The ISP performed a proof of concept (POC) to test many of the major commercially available database engines. One of the competitors could not complete the tests. Another limped along under full load, not able to complete queries within the desired service-level agreement (SLA). Fortunately, HPE Integrity NonStop hardware with an SQL/MP database in an active/active configuration satisfactorily completed all tests.
The ISP faced a major challenge: how can it migrate from the old Linux/Sybase servers to the new NonStop architecture without impacting its customers?
Step 3: Load New Environment with Bulk Copy Program while HPE Shadowbase Continues to Queue the Changes
Step 4: Use HPE Shadowbase to Synchronize the New HPE NonStop Active/Active Environment with the Queued Changes
Contact us or your HPE Shadowbase representative, and learn how Shadowbase software will benefit you.
Related Case Study: Cellular Provider Achieves Continuous Availability for Prepaid Calls
Related White Papers:
Related Solution Briefs: