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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

问题描述

本文介绍运行SnapMirror反向重新同步的操作步骤 -quick-resync true

注意: -quick-resync true 仅适用于类型XDP关系。

在   满足以下三种条件的情况下、此参数有助于缩短完成SnapMirror反向重新同步的时间:

  • XDP SnapMirror或SVMDR反向重新同步所需时间远远超过预期
  • 传输速度非常慢、发送到目标的数据量也很低
  • snapmirror show 或者 、ONTAP系统管理器Preparing 在很长时间内报告SnapMirror关系状态、表示正在执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
  • 如果 在反向重新同步或"反转重新同步"中反转类型-XDP SnapMirror或SVMDR关系、则需要对该关系执行数据仓库重建

 

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