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ONTAP 升级后频繁出现 wafl 内存 statusVeryLowMemory 警报

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nas
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适用于

  • NetApp FAS2720
  • ONTAP 9.16.1 及更高版本(包括 9.17.1P6)
  • 运行高 NAS 工作负载(CIFS/NFS)的入门级 FAS 系统
  • 具有大量联接卷或磁盘/文件 I/O 升高的集群

问题

  • 将 FAS2720 系统升级到 ONTAP 9.17.1P6 后,主要在一个节点上频繁生成包含以下日志消息的系统警报:

wafl.memory.statusVeryLowMemory: WAFL is running very low on memory, with xxxMB remaining.

  • 警报经常发生,通常在每天相似的时间发生。
  • 系统仅提供 CIFS 共享。
  • 没有直接的业务影响,但存在控制器不稳定的风险。
  • 以前的建议(ONTAP 升级、减少配置备份暂存空间)未能解决此问题。

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