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CONTAP-56068:Nvlog 重放打孔消息可能会导致存储系统中断

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问题描述

  • 在某些虚拟化情况下,打孔消息用于将特殊的零模式块写入文件。此机制的启用取决于卷级别标志的设置。
  • 消息执行完成后,会将其写入 nvlog 日志。这样做是为了保留状态,直到一致性点 (CP) 将内容写入磁盘。
  • 如果系统在 CP 完成之前意外关闭,则会重放 nvlog 日志消息。
  • 由于 ONTAP 中存在问题,在 nvlog 重放期间,可能无法设置支持此机制的卷级别标志。这会导致打孔消息被禁止,从而导致 NVLog 重放中断。
  • 此问题存在于 ONTAP 9.3 及更高版本中。

 

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