Apsara SA provides data protection services for demanding active-active applications. It works with your front-end applications to enable on-premises active-active disaster recovery, protecting mission-critical business services.
- Volume mirroring
Volume mirroring protects each node in a cluster from a single point of storage failure.
- Local replication
Local replication uses snapshots, clones, and backups to replicate data. This method is ideal for sites within a cluster that are less than 10 km apart, with a latency of less than 1 ms.
- Synchronous remote replication
Synchronous remote replication is suitable for clusters less than 300 km apart and maintains a latency of 15 ms or less. It provides site-level data protection with a Recovery Point Objective (RPO) of zero, meaning no data loss.
- Asynchronous remote replication
Asynchronous remote replication is designed for clusters more than 300 km apart and provides site-level data protection with an RPO greater than zero. It is ideal for the remote site in a three data centers across two zones architecture.
Active-active architecture
Non-active-active architecture
For more information, contact: storageservice@alibabacloud.com