What is RPO in backup and disaster recovery?

RPO (Recovery Point Objective) defines how much data loss is acceptable measured in time. If a disaster occurs right now with a 1-hour RPO, you can afford to lose at most 1 hour of data. RPO directly determines backup frequency — a 1-hour RPO requires hourly backups.

What is a realistic RPO for a Canadian small business?

For most Canadian SMBs: email RPO of 1-4 hours (Microsoft 365 has built-in redundancy); financial system RPO of 15-60 minutes; file servers RPO of 4-24 hours. Cloud-based accounting software (QuickBooks Online, Xero) provides very low RPO inherently.

Does Microsoft 365 provide backup? What is the RPO?

Microsoft 365 provides geo-redundant replication that protects against data centre failures, but it's not a backup — it doesn't protect against accidental deletion, ransomware that encrypts synced files, or configuration errors. Separate third-party backup solutions (Veeam Backup for M365, Datto SaaS Protection) are required for complete PIPEDA-compliant backup with defined RPO.

What Is RPO (Recovery Point Objective)?

RPO — Recovery Point Objective — defines the maximum acceptable amount of data loss measured in time: if a disaster occurs right now, how far back in time can you afford to restore your data? A 4-hour RPO means your business can tolerate losing up to 4 hours of transactions or changes. A 15-minute RPO means you can lose no more than 15 minutes of data. RPO directly determines backup frequency and the infrastructure investment required to protect your data adequately.

How RPO relates to backup frequency

RPO Target	Required Backup Frequency	Technology Required
24 hours	Daily backup	Cloud backup, NAS with daily job
4-8 hours	Multiple daily backups	Cloud backup with multiple daily restore points
1 hour	Hourly snapshots	Datto SIRIS, Veeam with local appliance, Azure Backup
15 minutes	Continuous replication	Journaled backup appliances (Datto SIRIS), Zerto, Azure Site Recovery
Near-zero	Synchronous replication	Enterprise storage replication, active-active clusters

RPO for different types of data

Not all data in a business has the same RPO. Set RPO separately for each system:

Financial transactions / accounting — RPO often 15-60 minutes; losing a day of transactions is typically unacceptable
Email — RPO 1-4 hours for most businesses; Microsoft 365 Exchange Online has built-in redundancy that effectively provides very low RPO for email
CRM and client records — RPO 1-4 hours; losing client interaction data is a significant operational problem
File servers / document storage — RPO 4-24 hours for most businesses; SharePoint Online provides built-in version history
Development environments — RPO may be near-zero if using continuous integration/continuous deployment with code repositories

RPO and PIPEDA / PHIPA compliance

Canadian privacy law doesn't explicitly define RPO targets, but has implications for data protection:

PHIPA: patient records must be retained and accessible; prolonged data unavailability raises compliance concerns; healthcare organizations should target low RPOs for EHR systems
PIPEDA: requires "appropriate safeguards" for personal information; inadequate backup frequency leading to significant personal data loss in an incident may be seen as inadequate safeguards
OSFI B-13: financial institutions must define and test RPO for all critical systems; typical OSFI expectations for critical systems are sub-4-hour RPO

Cloud services and RPO in Canada

Microsoft 365 (Exchange Online, SharePoint Online, OneDrive) provides built-in redundancy that effectively gives very low RPO for cloud-stored data — Microsoft replicates data across multiple data centres in the same geographic region, including the Canadian Toronto and Quebec City data centres. However, accidental deletion, ransomware encryption of synced files, and configuration errors are not protected by Microsoft's replication — requiring separate backup solutions like Veeam Backup for Microsoft 365 or Datto SaaS Protection.

Related glossary terms

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