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如何提升优先级的 FlexVol 卷

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适用场景

  • ONTAP 9.3至9.10
  • 全闪存 FAS (AFF)

问题描述

在AFF上、系统会监控具有auto策略的所有卷、并取消节省较少或覆盖频繁的卷的优先级。

  • 取消优先级的卷不再参与自动后台重复数据删除。
  • 已取消优先级的卷上的更改日志记录将被禁用、卷上的元数据将被截断。

用户可以使用 volume efficiency promote 高级权限级别提供的命令提升已取消优先级的卷以重新加入自动后台重复数据删除。

  • 运行进行验证

 ::>event log show -node <node_name> -message-name sis.vol.savings.depri

EMS示例:
Thu May 02 00:05:38 EDT [node_name: dense_worker: Sis.Volume.Savings.Deprioritized:info]: Auto Dedupe Scheduling on volume vol1(1) deprioritized : low savings (0%%) against minimum (10%%).

  • 运行 volume efficiency showauto 要自动运行卷级后台重复数据删除、需要预定义的AFF策略

::*> volume efficiency show -fields policy


vserver volume policy
------- ------ ------
svm1    vol3   auto
svm1    vol2  auto
svm1    vol1   auto

 

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