The importance of data backup
The website data is the core digital asset of the enterprise. Hard drive failure, hacker attacks, human error, and natural disasters can all lead to data loss.Once data is lost, it not only affects website operations, but may also lead to the permanent loss of critical data such as customer information, transaction records, and so on.Data backup and disaster recovery are the most important links in the enterprise IT strategy.
The 3-2-1 principle of backup strategy
3A data copy: original data + 2 backups
2Types of different storage media: such as hard disk + cloud storage
1异地备份: away from the original storage location, to deal with disasters such as fires and floods
Website backup content list
- Database:Article content, user data, configuration information
- Website files:Template files, plugin files, uploaded images
- Configuration file:Website configuration, database connection information
- SSL certificate:Website security certificate
- Domain information:Domain registration and DNS configuration information
Backup frequency recommendation
| Data type | Backup Frequency | Retention Time |
|---|---|---|
| Database | Every day | 30 Days |
| Website Files | Weekly | 90 days |
| a full backup | Monthly | 1 year |
Backup Storage Plan
Local backup:NAS hard drive or external hard drive, fast recovery
Cloud backup:Alibaba Cloud OSS, Tencent Cloud COS, AWS S3, secure and reliable
Remote backup:Cloud service providers in different regions, dealing with regional disasters
Disaster recovery plan
Step one: Assess the impact of data loss
Determine RTO (Recovery Time Objective) and RPO (Recovery Point Objective).
Second step: Prepare the recovery tool
Ensure that there are available recovery tools and documentation.
Third step: Perform the recovery
Restore data and system according to the document steps.
Fourth step: Verify data integrity
Check if the data after recovery is complete and available.
Fifth step: post-event summary
Summarize lessons learned and improve backup strategies.
Backup support for AnQi CMS
AnQi CMS provides a one-click backup function, automatically backs up the database and website files. Supports backup to local or cloud storage. Also supports backup recovery, quickly rebuild the website.
FAQ
Q: How much storage space is needed for backup?
A> Generally, the backup data of a website is between several hundred MB and several GB. Cloud storage is cost-effective, usually several yuan to several tens of yuan per month.
Q: What is the difference between backup and snapshot?
A> Backup is a copy of files, and a snapshot is the immediate state of the storage layer. It is recommended to use both together.