How do we hit our RTO when the cloud provider is under heavy load during a major outage?
Everyone restoring at once during a region-wide outage (cloud, ransomware wave, datacenter incident) stretches your RTO badly. Pre-planned capacity and cross-region or cross-provider strategy make the difference.
Try this first
- 1Accept that many cloud providers oversubscribe: full restore bandwidth in normal times, a queue in a major outage. Read the SLA: usually best-effort restore, no RTO guarantee.
- 2Spread backup targets across providers (Backblaze + Wasabi, AWS + Azure). A region outage at one leaves the other reachable.
- 3Reserve cross-region replication for genuinely critical data. The rest can sit in single region, but know explicitly which is which.
- 4Set RTO realistically: under load it's 4 hours, not 1. Communicate to leadership and customers so expectations match.
- 5For hot recovery: build failover that doesn't need full restore. A warm replica running continuously gives minute-level RTO even at peak.
- 6Test RTO in a controlled 'peak sim': start a big restore on a Saturday when the region is least quiet and measure for real. Don't test under ideal conditions.
When to bring us in
For business-critical production where minutes of downtime cost real money, single cloud won't do. Get a multi-cloud DR architect to review.
See also
- We have backups but we do not know if they workA backup that cannot be restored is not a backup. Testing matters as much as taking the backup.
- Suspected ransomware: what to do RIGHT NOWThe first 30 minutes are critical. One wrong move spreads the damage. Read before acting.
- Someone accidentally deleted an important folderUsually fine to recover. The trick: do not save anything new on that drive until you know how.
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