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如何提升弹性组的优先级组成部分

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Category:
ontap-9
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core
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适用于

  • ONTAP 9
  • AFF 

说明

  • 当 Flex 组的组成部分降低了优先级并且在提升弹性组以重新参与卷级后台重复数据删除时,它会抛出以下错误:

AFF-01::*> volume efficiency promote -vserver <vserver name> -volume <flex group name>
Error: command failed: FlexGroup volume "<vol name>" in Vserver "<vserver name>" is not supported for promotion. Retry the command on constituent(s) of the FlexGroup, if required.

  • 灵活组的卷或组成部分在使用效率策略、auto并且不满足以下要求的同时,会降低性能、
  1.  如果在扫描超过卷额定大小 20% 之后,卷没有显示至少 15% 的节省。
  2.  频繁覆盖。
  • 下面是检查组成部分状态的命令、

AFF-01::> volume efficiency show -vserver <vserver name > -path /vol/<constituent>

Path:                 /vol/<constituent>
State:                Enabled
Auto state:              Deprioritized
Compression:             Disabled
Inline Compression:         Disabled
Incompressible Data Detection:    Disabled

  • 降低卷或组成部分的优先级将不再参与自动策略。更改日志记录优先级的原始卷被禁用、这些卷上的元数据被截断。

 

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