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如何对StorageGRID 无法与节点通信(NDDOWN)进行故障排除

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storagegrid-webscale
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适用场景

  • NetApp 存储网格
  • NetApp StorageGRID 设备
  • 基于NetApp StorageGRID VMware的节点
  • 基于NetApp StorageGRID 裸机的节点

问题描述

本文有助于确定已关闭的StorageGRID节点的发生原因。发生原因 StorageGRID 节点可能处于断开连接状态的原因有多种、例如:

  • 维护操作
  • 网络连接问题
  • 硬件问题
  • 文件系统损坏
  • 资源问题(例如CPU、内存或磁盘)。资源问题的常见现象 是系统shell/Ccli/ssh中响应缓慢。
  • 解锁

StorageGRID 可能会报告以下错误:

  • StorageGRID节点 网格管理器中、StorageGRID 节点会显示在蓝色图标(Disconnected–Unknown)旁边
  • StorageGRID 报告 Unable to communicate with Node 警报
  • Unexpected node reboot 节点自行恢复联机时
  • StorageGRID 报告 NDDOWN 旧警报
  • 如果启用了AutoSupport 、则它将打开 NDDOWN AutoSupport 意外事件:
    • CSTARS:StorageGRID Notification from <serial number> (NODE_DOWN-CRITICAL) ERROR

 

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