Avoiding Data Loss When Changing Hosts

Moving a high-traffic blog to a new host is a sensitive process. The biggest risks are downtime and data loss. Here’s a structured approach to avoid losing anything during migration:

🛡️ Steps to Avoid Data Loss When Changing Hosts

1. Back Up Everything First

Full Site Files: Download your /public_html or WordPress root folder via cPanel File Manager or FTP.
Database: Export your MySQL database from phpMyAdmin (or use mysqldump on VPS).
Emails (if hosted on same server): Back them up separately if you want to retain them.
Store backups locally + in the cloud (Google Drive, Dropbox, etc.).

2. Choose the Right Migration Method

Hosting Provider Migration Tools: Many premium hosts (Kinsta, SiteGround, Cloudways) offer free migration services.
WordPress Plugins (if WP blog):
- All-in-One WP Migration, Duplicator, or UpdraftPlus can create a packaged backup for easy restore.
Manual Migration: Upload files → import database → edit wp-config.php.

3. Set Up the New Hosting Before Switching DNS

Create a temporary domain/subdomain (or use the host’s staging URL).
Upload your backup → import DB → fix config.
Test thoroughly: links, images, plugins, performance.
This ensures the new site works before going live.

4. DNS Switch With Caution

TTL Reduction: Lower your DNS TTL to ~300 seconds (5 minutes) 24 hours before migration.
Update DNS Records: Point your domain’s A record to the new server’s IP.
During propagation (few hours → 48 hrs), some visitors hit old server, some the new one.

5. Handle Content Changes During Migration

On a high-traffic blog, new posts/comments may appear on the old host during DNS propagation.
Options:
- Put the old site in maintenance mode right before DNS switch (short downtime).
- Or sync again (re-export latest database + wp-content/uploads) once DNS fully propagates.

6. Verify After Migration

Test pages, images, admin dashboard, plugins.
Check SSL/HTTPS setup on new host.
Monitor logs for missing files or DB errors.
Run Google Search Console & Analytics checks to ensure no disruption in indexing/tracking.

7. Keep Old Hosting Active for a Few Days

Don’t cancel immediately.
Keep the old host active for at least 72 hours after migration, just in case.

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