Can data be recovered if only one KV is backed up out of three copies of 3KV?

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This topic has been translated from a Chinese forum by GPT and might contain errors.

Original topic: 3副本3kv 只有1个kv备份了能恢复数据么

| username: tidb狂热爱好者

Can data be recovered if there are 3 replicas and 3 KVs but only 1 KV is backed up?

| username: 小龙虾爱大龙虾 | Original post link

| username: tidb菜鸟一只 | Original post link

Column - Methods for Lossy Recovery of Multiple Damaged Replicas in TiDB | TiDB Community

| username: Kongdom | Original post link

:flushed: Having only one KV backup might not be sufficient. During restoration, integrity should be verified. If it’s incomplete, it probably can’t be restored.