Expired65% confidenceFactExact time
The disaster recovery field has the '3-2-1 backup rule': keep at least 3 copies of data, stored on 2 different media types, with 1 copy stored offsite.
3
Sources
65%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026(expired)
Sources
Related Claims
Unverified备份321原则指3份副本、2种存储介质、1份异地，能降低极端故障场景下数据彻底丢失的风险80% similarUnverifiedData sovereignty requirements mandate that all backup copies must remain within the same jurisdiction, which conflicts with the geographically distributed approach of traditional disaster recovery.66% similarUnverifiedTaking screenshots promptly after discovering anomalies and exporting data to apply for refunds from the platform is one of the few approaches currently available to recover losses.62% similar
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