跳转到主内容

磁盘瓶颈可能会影响 VMware LUN 的性能和超时

Views:
50
Visibility:
Public
Votes:
0
Category:
ontap-9
Specialty:
perf
Last Updated:

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

 

Sign in to view the entire content of this KB article.

New to NetApp?

Learn more about our award-winning Support

NetApp provides no representations or warranties regarding the accuracy or reliability or serviceability of any information or recommendations provided in this publication or with respect to any results that may be obtained by the use of the information or observance of any recommendations provided herein. The information in this document is distributed AS IS and the use of this information or the implementation of any recommendations or techniques herein is a customer's responsibility and depends on the customer's ability to evaluate and integrate them into the customer's operational environment. This document and the information contained herein may be used solely in connection with the NetApp products discussed in this document.