![]() RPO depends upon the backup frequency - more frequent backups allow restoration to a nearer point in time, reducing the extent of data loss. RPO is the latest “point in time” to restore an SQL Server after disaster recovery. These metrics are essential components of the service level agreement (SLA). SQL Server disaster recovery has two key metrics: recovery point objective (RPO) and recovery time objective (RTO). These considerations are based on defining the success metrics for SQL recovery, choosing a backup strategy, leveraging SQL availability features, etc. This article provides an insight into the critical considerations while preparing an effective SQL Server disaster recovery plan. In the absence of a diligently tested and documented strategy, SQL Server disaster recovery might take longer than the SLAs or might not happen at all, bringing alive an SQL DBA’s worst nightmare - a prolonged outage. ![]() Even if equipped with provisions like automatic backup and recovery, SQL Server instances are not sufficiently protected against disastrous situations like multi-site database failure, ransomware attacks, etc.
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