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StorageGRID扩展后、新节点的空间利用率较高、并且出现"Disk I/O is非常慢"警报

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适用场景

  • StorageGRID 设备
  • 两个新节点扩展为网格

问题描述

  • 新添加的一个StorageGRID节点上出现严重警报:

Disk I/O is very slow 
Very slow disk I/O might be impacting StorageGRID performance.

  • 与网格中的旧节点相比、受影响的新节点的空间利用率较高 、因此 Insufficient Storage 会间歇性触发警报。
  • “Support ”(支持 )>  IO Wait“Diagnostics”(诊断)下,我们发现受影响节点的CPU使用率较高  Write latency,包括、、  Read Latency
  • 我们已验证后端E系列节点。
  • 我们 通过将受影响节点的LDR服务设置 为只读来隔离硬件问题描述。
    • 上述警报 移至第二个新添加的节点。

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