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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 StorageGRID
  • NetApp StorageGRID设备
  • NetApp StorageGRID基于VMware的节点
  • 基于NetApp StorageGRID裸机的节点

问题描述

本文有助于确定StorageGRID节点已关闭的发生原因。发生原因StorageGRID节点处于断开状态的原因可能有多种、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)。常见的资源问题现象是 系统Shell /CLI/ssh中的响应缓慢/缓慢。
  • 取消配置

StorageGRID可能会报告以下错误:

  • StorageGRID节点将显示在 StorageGRID节点 网格管理器中的蓝色图标(已断开连接–未知)旁边
  • StorageGRID报告 Unable to communicate with Node 警报
  • Unexpected node reboot 如果节点自行恢复联机
  • StorageGRID会报告 NDDOWN 原有警报
  • 如果启用了AutoSupport、则会创建 NDDOWN AutoSupport意外事件:
    • CSTARS:StorageGRID Notification from <serial number> (NODE_DOWN-CRITICAL) ERROR

 

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