Why two backups are better than one
A single backup can fail at the same time as the original through theft, fire, ransomware, account deletion or a simple storage error. Independent copies reduce the chance…
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A single backup can fail at the same time as the original through theft, fire, ransomware, account deletion or a simple storage error. Independent copies reduce the chance that one event destroys every version.
How it works
A copy on the same computer protects against accidental deletion only in limited cases. A synchronized cloud folder may reproduce a deletion rather than preserve history.
Practical takeaways
Keep multiple generations, isolate at least one copy and test restoration. For a website, include the database, uploaded media, code, configuration and a written recovery procedure.
Redundancy is about different failure modes, not simply counting folders.
In short: A single backup can fail at the same time as the original through theft, fire, ransomware, account deletion or a simple storage error. Independent copies reduce the chance that one event destroys every version.