High Availability — Zero Downtime. Always On. Mission-Critical Resilience.
High availability architecture ensures SAP systems and cloud workloads remain continuously operational — using redundant components, automatic failover clustering and multi-zone deployment to eliminate single points of failure and deliver near-zero unplanned downtime.
High Availability Technology Stack
SAVIC engineers HA across every layer — SAP application clustering, HANA database replication, cloud infrastructure and network redundancy.
SAP Pacemaker Clustering
Automated SAP failover clustering with Pacemaker and STONITH for ASCS and ERS.
HANA System Replication
Synchronous HANA replication with automatic takeover for zero data loss.
Cloud Multi-Zone HA
Azure Availability Zones, AWS multi-AZ and GCP multi-region for cloud HA.
Load Balancing
Application load balancing and traffic distribution for high availability.
Network Redundancy
Redundant network paths and connectivity for uninterrupted system access.
HA Monitoring
Continuous cluster and replication health monitoring with automated alerting.
High Availability Services from SAVIC
End-to-end HA services — from initial assessment and architecture design through cluster implementation, HANA replication, cloud HA and managed operations.
HA Assessment & Design
- Single point of failure analysis and risk assessment
- HA architecture design and technology selection
- RPO/RTO target definition and architecture alignment
- Cost-benefit analysis for HA investment
SAP Cluster Implementation
- Pacemaker cluster setup for SAP ASCS, ERS and HANA
- STONITH fencing configuration and validation
- Cluster resource configuration and constraint definition
- Cluster failover testing and documentation
HANA HA Configuration
- HANA System Replication configuration — synchronous mode
- HANA automatic takeover hook configuration
- Multi-tier HANA replication for HA plus DR
- HANA HA landscape testing and validation
Cloud HA Architecture
- Azure Availability Zone deployment for SAP workloads
- AWS multi-AZ RDS and application HA configuration
- GCP regional instance group and load balancer HA
- Jio ESDS and Tata Tele HA architecture design
Load Balancing & Networking
- Azure Load Balancer, AWS ELB and GCP load balancer for SAP
- Internal load balancer configuration for ASCS/ERS failover
- Network redundancy and multi-path connectivity configuration
- DNS failover and anycast routing for global HA
HA Operations & Monitoring
- 24×7 cluster and replication health monitoring
- Automated failover event alerting and notification
- Monthly HA health review and compliance reporting
- HA architecture annual review and optimization
Why SAVIC for High Availability?
Deep expertise across every HA technology — from Linux clustering to cloud-native multi-zone architectures — delivering mission-critical resilience for SAP and beyond.
Pacemaker Expertise
Deep Linux Pacemaker cluster configuration for SAP ASCS, ERS and HANA automated failover.
HANA Replication
HANA System Replication (HSR) in synchronous mode for near-zero data loss HA.
Cloud-Native HA
Azure Availability Zones, AWS multi-AZ and GCP multi-region for cloud-native resilience.
Load Balancing
Internal and external load balancers ensuring traffic continuity during failover events.
Monitoring & Alerting
Real-time cluster and replication monitoring with automated failover event alerting.
Validated Architecture
SAP-certified HA architectures validated against SAP and cloud provider best practices.
The SAVIC HA Advantage
- SAP-certified HA architects with deep Pacemaker, HANA HSR and cluster expertise
- Cloud-native HA across Azure Availability Zones, AWS multi-AZ and GCP multi-region
- Sub-30-second automatic failover validated through regular testing
- Comprehensive HA covering SAP application, HANA database and network layers
- End-to-end services — assessment, design, implementation, testing and managed operations
- Proven delivery across India, UAE, USA, Malaysia and Singapore
Delivery Metrics
Complete Cloud Resilience
High availability is one pillar of resilience. Explore our complementary cloud continuity and managed services.
Ready for High Availability?
Eliminate single points of failure and achieve near-zero downtime. Our HA architects will assess your landscape and design the right cluster and replication architecture for your business.