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NetApp Response to Russia-Ukraine Cyber Threat
In response to the recent rise in cyber threat due to the Russian-Ukraine crisis, NetApp is actively monitoring the global security intelligence and updating our cybersecurity measures. We follow U.S. Federal Government guidance and remain on high alert. Customers are encouraged to monitor the Cybersecurity and Infrastructure Security (CISA) website for new information as it develops and remain on high alert.

磁盘瓶颈可能会影响 VMware LUN 的性能和超时

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Category:
ontap-9
Specialty:
perf
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适用场景

  • ONTAP 9
  • VMware ESXi
  • NFS , iSCSI 或 FCP 数据存储库

问题描述

  • NFS 卷, VMware ESXi 集群上的 FCP 或 iSCSI LUN 或 iSCSI LUN 出现重大性能问题,或者 iSCSI LUN 超时
  • VM 的读取或写入速度较慢
  • QoS 统计信息显示磁盘延迟较高
    • 示例: vol1磁盘延迟较高

Workload       ID   Latency   Network   Cluster     Data    Disk   QoS Max   QoS Min    NVRAM  
--------------- ------ ---------- ---------- ---------- ---------- ---------- ---------- ---------- ----------
-total-        -    4.33ms   198.00us    9.00us  1221.00us    2.88ms     0ms     0ms   13.00us
vol1        32140   177.16ms   113.00us   226.00us   108.03ms   68.79ms     0ms     0ms    2.00us

 

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