Disaster Recovery at 4AM: The Stuff No One Puts in the Official Guide

We all have beautifully designed DR plans.
Redundant storage. Replication. Immutable backups. Offsite copies.

And then the phone rings at 4:07 AM.

Adrenaline kicks in. Your brain is half online. Someone is asking for ETAs. Something slightly unexpected is already happening.

This post isn’t about the standard “3-2-1-1-0” advice. This is about the obscure, easy-to-ignore details that make or break a real-world recovery.

1. Label. Your. Cables.

I know. It sounds basic.

But in a real DR scenario:

• You’re stressed.

• You’re tired.

• Things are never exactly as documented.

• Someone is standing behind you asking, “Is it up yet?”

That is not the time to guess which FC cable goes to which SAN port.

Label both ends of:

• SAN connections

• Uplinks

• iSCSI paths

• Replication links

• Management ports

At 4AM your brain power is a limited resource. Use it for decision-making, not tracing cables with a flashlight.

Bonus tip: color coding helps. Future-you will be grateful.

2. Name Things Like Your Job Depends on It (Because It Does)

Consistent naming conventions across:

• SAN switches

• LAN switches

• ESXi hosts

• Datastores

• Veeam repositories

• Backup proxies

• VMware port groups

• Even job names

When everything is named clearly and consistently, recovery becomes mechanical instead of investigative.

“PROD-SQL01-DATA01” is better than “Datastore3”.

Add a name for every port in every device and have documentation so every time something is changed, you make sure to update it. I’d go one step further to add a description when there is a field for it to explain it. It might not be you (the person who configured it) looking at this next time.

3. HOSTS Files:When DNS is down, clarity matters.

When Active Directory is down and DNS isn’t resolving, your Veeam server still needs to talk to:

• It’s database

• VMware vCenter

• ESXi hosts

• Backup repositories

• Proxies

It’s not glamorous. It’s not exciting. But it works when DNS doesn’t.

4. Documentation 

You don’t need a 200-page DR manual.

You need:

• Step-by-step recovery order

• Clear dependency mapping (DB before app, DC before SQL auth, etc.)

• Credentials stored securely but accessible

• Screenshots of critical configs

• IP schemas

• VLAN mappings

Even better? Print a copy. Yes, paper.

If your password vault, documentation system, and SSO are all unavailable… you’ll appreciate analog redundancy. A safe is a very inexpensive way to keep this in the office and have it available. Use scripts or set reminders to keep documentation up to date on a schedule. 

5. Test When It’s Boring, Not When It’s Burning

The best time to test DR plans is when nothing is wrong.

Start small:

• Restore one server.

• Fail over one app.

• Validate authentication.

• Confirm connectivity.

• Test user access.

Fix issues during normal change windows.

Then:

• Recover a small application stack.

• Simulate loss of a host.

• Validate Veeam SureBackup jobs.

• Test Instant Recovery to alternate hosts.

Once you’ve ironed out the small things, scale up to a full simulation.

Confidence at 4AM comes from muscle memory built at 2PM.

6. Don’t Just Back Up, Validate Dependencies

A server restoring successfully does not equal an application working.

Ask:

• Does it rely on a license server?

• Is there a hardcoded IP?

• Does it need a specific VLAN?

• Is there a firewall rule tied to the old MAC?

• Does it depend on an NTP source that’s offline?

DR failures often happen in the gaps between systems.

7. Reduce Cognitive Load

During DR:

• Avoid troubleshooting new ideas.

• Avoid experimenting.

• Follow the plan.

Anything you can standardize in advance reduces cognitive strain.

Even simple things like:

• Keeping consistent management IP ranges

• Standardizing datastore layouts

• Uniform NIC teaming configurations

Consistency reduces chaos.

8. Practice Talking During an Outage

Technical recovery is only half the job.

Someone will ask:

• “How long?”

• “What’s impacted?”

• “What’s the plan?”

Have a communication template ready:

• What happened

• What’s down

• What’s being restored

• ETA ranges (not exact times)

• Next update time

Clarity reduces pressure. Pressure causes mistakes.

9. Accept That Something Will Go Slightly Wrong

It always does.

A missing firewall rule.
A forgotten service account permission.
A port not enabled.

10. Back Up the Thing That Backs Up the Things

In a real disaster, you don’t just need your data.

You need your backup infrastructure to function.

That means protecting:

• Veeam configuration database backups (store them off the Veeam server)

• Encryption keys (if you lose these, restores get very quiet… permanently)

• Backup server certificates

• Repository credentials

• Service account passwords

• Cloud repository credentials / object storage keys

If your Veeam server is gone, can you:

1. Install a fresh server?

2. Restore the configuration?

3. Reconnect repositories?

4. See all your jobs and restore points?

5. Perform an Instant Recovery?

If the answer is “I think so,” test it.

Do a simulated rebuild of your Veeam server from scratch:

• Fresh OS

• Install Veeam

• Restore configuration backup

• Validate jobs

• Run a test restore

Final Thought

Disaster recovery isn’t only about technology.

It’s also about:

• Reducing stress.

• Reducing uncertainty.

• Reducing decision fatigue.

• Increasing confidence.

When you’ve labeled your cables, standardized your naming, tested your restores, validated dependencies, and documented the order…

4AM becomes inconvenient instead of catastrophic.

And that’s the real goal.