Defining RPO and RTO for SyteLine Workloads
Recovery Point Objective and Recovery Time Objective must be defined per SyteLine module based on business criticality. Shop floor transactions and financial postings typically require near-zero RPO, while reporting databases can tolerate longer recovery windows. These targets drive every subsequent DR architecture decision.
- Tier 1 (RPO <5 min, RTO <1 hr): SyteLine production database, financial transactions, inventory
- Tier 2 (RPO <1 hr, RTO <4 hr): SyteLine reporting databases, document management, EDI queues
- Tier 3 (RPO <24 hr, RTO <24 hr): Development and test environments, historical archives
- Business impact analysis mapping SyteLine module outage to revenue loss per hour
- Annual DR testing calendar with documented runbooks for each recovery scenario
Backup and Replication Architecture
SyteLine DR requires a multi-layered backup strategy combining SQL Server native backups, storage-level replication, and application-level consistency checks. Cross-region replication ensures geographic disaster protection, while local backups enable rapid recovery from logical corruption or accidental deletions.
- SQL Server log shipping to a secondary site with 5-minute transaction log intervals
- Asynchronous Always On Availability Group replica in a secondary Azure region or AWS AZ
- Full database backups daily, differential every 6 hours, transaction log every 5 minutes
- SyteLine configuration export including IDO metadata, form customizations, and parameters
- Immutable backup copies in Azure Blob with WORM policy or AWS S3 Object Lock
Failover Procedures and Runbooks
DR runbooks for SyteLine must document every step from detection to declaration to recovery. The runbook includes DNS cutover, database failover, application server reconfiguration, and SyteLine-specific validation steps that confirm the recovered environment is fully operational before users reconnect.
- Automated health check failure triggering DR declaration workflow with approval gates
- SQL Server AG forced failover procedure with data loss acknowledgment process
- SyteLine Application Server reconfiguration to point to DR database and utility services
- Post-failover validation checklist: IDO connectivity, form load, report generation, batch jobs
- Communication plan template for notifying manufacturing floor, purchasing, and shipping teams
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ERP Disaster Recovery Readiness Assessment
Ten questions on backups, RTO/RPO, restore testing, and failover that score whether your ERP would survive ransomware or a hardware failure.
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