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Published byDustin Roberts Modified over 9 years ago
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B Transactions per hour Transactions per minute Transactions per second RTO<24h*, RPO<24h RTO<2h RPO<30m RTO<1h, RPO<5m * Target only, actual time depends on the data size and scale of restores
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Azure SQL Database Customer (subscription owner)
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Reads are completed at the primary Writes are replicated to secondaries DB Single Logical Database P S S Write Ack Read Value Write Ack P S S S P
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sabcp01bl21 sabcp02bl21 sabcp03bl21 Restore as a new database from local backups LS XYZ Copy backups to Azure Storage DB DB1 RA-GRS Backups
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US East US West sabcp01bl21 sabcp02bl21 sabcp03bl21 LS ABC Restore to any server when needed US West DB sabcp01bl21 sabcp02bl21 sabcp03bl21 LS XYZ Automatic copies of daily backups DB RA-GRS Storage geo-replication Self-service restore API Restores last daily backup No extra cost, no capacity guarantee RTO>=24h, RPO=24h Database URL will change after restore
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East US LS ABC Failover and activation of secondary (during incident) West US DB LS XYZ DB Geo-replication RTO<2h, RPO<30m REST and PowerShell API to opt-in and failover Automatic data replication and synchronization DMV+REST to monitor and guide failover decisions Single offline secondary with matching performance level in the DR paired region North Central US LS OPQ DB
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Geo-replication LS ABC South Central US West US Failover and activation of secondary (any time) East US Geo-replication DB1 LS XYZLS OPQ RTO<1h, RPO<5m REST and PowerShell API to opt-in and failover DMV+REST to monitor and guide failover decisions Automatic data replication and synchronization Up to 4 online secondary databases with matching performance level in any region DB1 DB1.old North Central US LS DFE DB1 Geo-replication DB1
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SQL Database Auditin g Audit log Applicatio n data Azure Storage
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