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如何使用"-quick-resync"参数运行SnapMirror反向重新同步

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适用场景

  • 扩展数据保护(XDP)
  • ONTAP 9

描述

本文介绍了使用 -quick-resync true

笔记:-quick-resync true仅适用于 XDP 类型关系。

在存在以下三个条件的情况下,此参数有助于减少 SnapMirror 反向重新同步的完成时间:

  • XDP SnapMirror 或 SVMDR 反向重新同步所需的时间比预期的要长得多,
  • 传输速度似乎非常慢,发送到目标的数据量很少
  • snapmirror show 或ONTAP 系统管理器报告 SnapMirror 关系状态Preparing持续相当长一段时间,表明正在进行数据仓库重建操作
关于数据仓库重建操作
  • 数据仓库重建操作涉及关系状态为"正在准备"的关系
  • 数据仓库包含对维护源卷中的重复数据删除节省量至关重要的元数据
  • 当关系在反向重新同步或“翻转重新同步”中反转时,预计 Type-XDP SnapMirror 或 SVMDR 关系会进行数据仓库重建

 

 

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