In the digital universe, a disaster recovery plan documents the tasks required to protect IT infrastructure and data before, during, and after a disaster. The goal of a disaster recovery plan is to minimize data loss and downtime so that an organization can maintain business continuity and/or return to normal operations as quickly as possible after an event. To support the primary tasks of protecting data and expediting recovery, a well-conceived disaster recovery plan also includes provisions for identifying and prioritizing data assets, clarifying staff roles and responsibilities, determining escalation processes, disaster recovery training and testing, and more.
Disaster Recovery Plan Targets: Zero Data Loss, Near-Zero Recovery Time
In crafting a disaster recovery plan, organizations typically set a for the amount of data loss and downtime, respectively, they are willing to tolerate in the event of a disaster. The target RPO and RTO help determine the type of technology, processes and budget, needed to achieve the target. Ideally, every application or business process would have an RPO of zero and an RTO of near zero; however, these targets have not always been physically or financially attainable with either asynchronous or synchronous database replication alone.
Data loss. With asynchronous database replication, an inherent lag exists between the data in the primary site and the data in the disaster recovery site. Without Axxana Phoenix, this lag is unprotected, leading to the loss of transaction data if disaster strikes. Synchronous replication topologies are also vulnerable. Because synchronous replication requires the primary site and disaster recovery site to be geographically close to one another, regional disasters or rolling outages can interrupt synchronous replication, resulting in the loss of valuable data.
Recovery time. When transaction data is lost, data consistency across databases and applications may also be lost. In this case, disaster recovery entails a laborious, time-consuming process of determining what data has been lost and reconstructing application consistency. The longer that recovery and the return to normal operations is delayed—that is, the longer the downtime—the greater the impact to the organization.
Given these challenges, disaster recovery planning and business continuity planning have often involved ongoing compromises related to data loss and recovery time. Many organizations simply consider some amount of data loss to be inevitable during a disaster, and they prepare their disaster recovery plans and set their RPOs and RTOs accordingly.
Achieving Disaster Recovery Plan Targets – Regardless of Topology or Budget
With Axxana’s Phoenix, organizations no longer have to tolerate a single byte of data loss when they set data loss and recovery time objectives for their disaster recovery plan. Axxana Phoenix uses the disaster-proof Black Box and an intelligent operating system to protect the data lag (not-yet-replicated data) during a disaster and safely transfer the data during recovery. It enables organizations to achieve zero data loss (RPO = 0) and near-zero RTO, regardless of size, complexity, budget, replication topology, or infrastructure.
Axxana’s Phoenix addresses key provisions of disaster recovery planning, including protecting data, maintaining application consistency, automatically detecting disastrous events, using redundant communication lines, streamlining recovery, and more.
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