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Disaster Recovery Plan (DRP)

This document summarises the steps that will be taken in the event of a specific host crashing or a data centre loss.

DRP Activation Cases

The DRP can be activated in the following cases:

  • Failure of a host (system/hardware failure) with an estimated recovery time of more than 4 hours
  • Failure in the data centre with an estimated recovery time of more than 4 hours

If no information about the recovery time is obtained from the data centre within 2 hours of interruption, the DRP is activated to maintain the RTO.

Backups

Backups of each server are externalised once a day, during the night, in a data centre different from the one hosting production data.

In the event of a disaster, this externalised backup will be restored on a new server.

RPO

Given the current backup policy, the Recovery Point Objective (maximum data loss) is 24 hours.

Implementation

The implementation of the plan takes place in 7 steps:

  1. Information affected clients
  2. Deployment of a backup host (VM)
  3. Configuration:
    • Monitoring
    • IP
    • Firewall
    • Docker
  4. Redeployment of FileMaker servers
  5. Transfer of DNS
  6. Data restoration
    1. Backup transfer
    2. Putting online
    3. Specific configurations
  7. Notify customers of service resumption (degraded)
  8. Plan the return to normal (back to dedicated host/datacenter)

Key Points

  • Disaster Recovery Plan (DRP) activation: Triggered by host failures or data centre issues lasting over 4 hours
  • Backups: Externalised daily to a different data centre, with a Recovery Point Objective (RPO) of 24 hours
  • Implementation: 7-step process including client communication, backup host deployment, and data restoration
  • Service resumption in degraded mode followed by planning for return to normal operations
  • Regular testing and updates recommended to ensure DRP effectiveness