Update nexus: fix conflicts and sync local changes
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@@ -1,43 +1,43 @@
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---
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title: "SnapMirror"
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type: concept
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tags: [NetApp, Data-Replication, Disaster-Recovery, Storage]
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sources: [ctp-topic-46-netapps-on-aws]
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last_updated: 2026-04-14
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---
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## Definition
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SnapMirror 是 NetApp 提供的数据复制技术,用于在 NetApp 存储系统之间(本地到云端、跨区域或跨集群)复制数据和快照。通过块级复制实现高效的数据同步,初始基线复制后,后续更新仅传输变更数据(增量复制)。
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## Mechanism
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1. **Peering Relationship**:在集群之间和 SVM 之间建立对等关系
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2. **Baseline Copy**:初始全量复制,将源卷的完整数据复制到目标卷
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3. **Incremental Updates**:基线后,仅复制自上次更新以来更改的数据块
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4. **Read-Only Destination**:SnapMirror 关系中的目标卷为只读
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## Key Characteristics
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- **Block-Level Replication**:块级复制而非文件级,支持 Deduplication 和 Compression 保留
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- **Encryption Support**:可选加密传输
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- **SnapMirror Relationships**:可建立级联或扇出配置
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- **Transfer Priority**:可配置传输优先级
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## Use Cases
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- **Disaster Recovery**:本地 NetApp 到 AWS CVO 的灾备复制
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- **Data Migration**:从本地迁移到云端(配合 Cloud Volume ONTAP)
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- **Cross-Region Replication**:跨 AWS 区域的数据保护
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- **Backup to Cloud**:冷数据备份到 S3(通过 CVO)
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## Related Concepts
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- [[Snapshot]]:SnapMirror 复制快照作为数据一致性的保证
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- [[Cloud Volume ONTAP (CVO)]]:AWS 云端运行 SnapMirror 的目标存储
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- [[Data Tiering]]:可与 SnapMirror 结合实现数据生命周期管理
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- [[Disaster Recovery]]:SnapMirror 是 DR 策略的核心组件
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## Related Entities
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- [[NetApp]]:SnapMirror 的提供方
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---
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title: "SnapMirror"
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type: concept
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tags: [NetApp, Data-Replication, Disaster-Recovery, Storage]
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sources: [ctp-topic-46-netapps-on-aws]
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last_updated: 2026-04-14
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---
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## Definition
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SnapMirror 是 NetApp 提供的数据复制技术,用于在 NetApp 存储系统之间(本地到云端、跨区域或跨集群)复制数据和快照。通过块级复制实现高效的数据同步,初始基线复制后,后续更新仅传输变更数据(增量复制)。
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## Mechanism
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1. **Peering Relationship**:在集群之间和 SVM 之间建立对等关系
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2. **Baseline Copy**:初始全量复制,将源卷的完整数据复制到目标卷
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3. **Incremental Updates**:基线后,仅复制自上次更新以来更改的数据块
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4. **Read-Only Destination**:SnapMirror 关系中的目标卷为只读
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## Key Characteristics
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- **Block-Level Replication**:块级复制而非文件级,支持 Deduplication 和 Compression 保留
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- **Encryption Support**:可选加密传输
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- **SnapMirror Relationships**:可建立级联或扇出配置
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- **Transfer Priority**:可配置传输优先级
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## Use Cases
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- **Disaster Recovery**:本地 NetApp 到 AWS CVO 的灾备复制
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- **Data Migration**:从本地迁移到云端(配合 Cloud Volume ONTAP)
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- **Cross-Region Replication**:跨 AWS 区域的数据保护
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- **Backup to Cloud**:冷数据备份到 S3(通过 CVO)
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## Related Concepts
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- [[Snapshot]]:SnapMirror 复制快照作为数据一致性的保证
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- [[Cloud Volume ONTAP (CVO)]]:AWS 云端运行 SnapMirror 的目标存储
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- [[Data Tiering]]:可与 SnapMirror 结合实现数据生命周期管理
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- [[Disaster Recovery]]:SnapMirror 是 DR 策略的核心组件
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## Related Entities
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- [[NetApp]]:SnapMirror 的提供方
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