Last week, a developer I know lost three weeks of client work because their laptop hard drive failed without warning. No backups. No recovery options. They spent the weekend in panic mode, threw money at data recovery services, and still only recovered 60% of the files.
This happens more often than you'd think, and it's almost entirely preventable.
The problem is that most people conflate "having backups" with "having a backup strategy." They're not the same thing. You can have backups sitting on an external drive in your office and still lose everything if that drive fails at the same time your computer does.
Here's what actually works.
Start with Your Actual Risk Assessment
Before you buy anything or set up anything, write down the specific ways your data could disappear:
- Hardware failure (your laptop dies, your server crashes)
- Accidental deletion (you rm -rf the wrong folder)
- Ransomware or malicious deletion
- Cloud service outage or account compromise
- Physical damage (fire, theft, water damage)
- Software corruption or bad deployment
Not all of these are equally likely for your situation. A solo developer working on laptops has different risks than someone running production servers. A freelancer with client work has different concerns than someone building their own product.
Write down which ones actually keep you awake at night. That's your starting point.
The 3-2-1 Rule Works Because It's Simple
This is the backup standard that actually survives contact with reality:
- 3 copies of your data (original plus 2 backups)
- 2 different storage types (not just two external drives; think external drive plus cloud)
- 1 copy offsite (physically somewhere else)
For developers, this typically means:
Your laptop has the working copy. One external drive at your desk gets hourly or daily backups via Backblaze or similar. Your cloud storage (AWS, Google Drive, whatever) gets weekly backups, and that's your offsite copy.
For servers, you're running snapshots to local block storage (first backup), replicating to a different availability zone (second backup, different location), and probably backing up critical database dumps to S3 in a different region (third copy, truly offsite).
The specific tools don't matter as much as having all three pieces in place.
Test Your Backups or They Don't Exist
This is where almost everyone fails. You set up a backup system and then never actually restore from it until you're in crisis mode.
Pick a date each quarter. Restore a random recent backup to a test machine or directory. Actually verify the files are there and uncorrupted. It takes maybe 30 minutes and it's the difference between a backup system and a false sense of security.
Your Recovery Plan Should Be Written Down
When your hard drive dies at 2 AM on a Friday, you won't be thinking clearly. Write down now:
- Where each backup lives and how to access it
- What your restore process looks like for different scenarios
- How long each recovery should take
- Who to contact if it's client work (so you can set expectations early)
This document should be somewhere safe and somewhere you can access it even if your computer is dead.
Where to Go From Here
Setting this up manually takes time. If you're feeling lost about the actual steps - which backup tools integrate well with your setup, how to structure your recovery process so it actually works, what your risk assessment should look like for your specific situation - there's value in having a checklist already written out for you.
The Data Loss Recovery & Prevention Checklist at https://stackdrop.co.za/product.php?slug=data-loss-recovery-prevention-checklist walks through all of this with actual templates and assessment tools. It's $11 and it saves you the hours of researching what you actually need.
Either way, do the work. Your future panicked self will thank you.
Top comments (0)