Website Backup and Recovery Drills: Frequency, Offsite Storage, and Verifying Restorability
The only acceptance test for a backup isn't that you have one, it's that you can restore from it, and the only way to know that is to have drilled it. This article covers the four types of backup targets, a three-tier schedule of daily incrementals kept for 14 days and weekly fulls kept for 8 weeks, the three-differences rule for offsite storage, and the steps for a full recovery drill every six months. A complete restore for a small or mid-sized site usually takes 30–120 minutes.


