Resilience: DR & Business Continuity
When the building, the region or the backups fail - what you lose, and how fast you are back.
- 1How much can you lose?Every disaster asks two questions - how much data is gone, and how long you are down. RPO and RTO are the answers you choose in advance, per system, and the business chooses them, not IT.Runs in your browser12 min+35 XP
- 2Backups that actually restoreA backup you have never restored is a hope, not a backup. Learn the 3-2-1 rule, why ransomware hunts backups, why sync is not backup - and find the copy that has quietly failed since March.Runs in your browserOn your machine15 min+40 XP
- 3From backup-and-restore to active-activeFour ways to survive losing a whole site, from cheap and slow to expensive and near-instant. The right one is the cheapest that meets each system's targets - and replication, the thing that makes the fast ones fast, copies your mistakes too.Runs in your browser15 min+40 XP
- 4Keeping the business runningDisaster recovery brings systems back. Business continuity keeps the business going while they're gone - by knowing which processes can't wait, what they depend on, and what people do by hand in the meantime. Then you test the plan on paper before reality does.Runs in your browser15 min+40 XP
- 5Incidents and blameless postmortemsWhen something breaks, a few habits decide how long it stays broken - a declared severity, clear roles, honest updates. Afterwards, one decides whether it breaks again - a postmortem that asks what the system allowed, not who to blame.Runs in your browser15 min+40 XP
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