跳转到主内容

CONTP-100757：使用Cisco 9337C -拧 秒共享交换机的MetroCluster IP中的SSD和NVM驱动器报告了高延迟

  1. 最后更新
  2. 另存为PDF
Views:
Visibility:
Public
Votes:
0
Category:
ontap-9
Specialty:
MetroCluster
Last Updated:

问题描述

High latency might be observed on NVMe drives of NS224 storage shelves in MetroCluster IP configurations that use Cisco Nexus 9336C-FX2 shared switch configurations. EMS log:
[ClusterA-01: disk_latency_monitor: shm.ssd.threshold.ioLatency:notice]: SSD e5a.03.0.11 has exceeded the expected block latency in the current timeframe with an average latency of 1828 us and an average utilization of 8 percent. The next highest SSD latency: 1684 us. Disk e5a.03.0.11 Shelf 3 Bay 11 [NETAPP X4011WBORA3T8NTF NA51] S/N [22106S123456] UID [0014EE83:0B31A280:00000000:00000000:00000000:00000000:00000000:00000000:00000000:00000000]
Switch log might report:
%ACLQOS-SLOT1-2-ACLQOS_UNEXPECTED_PFC_FRAMES: Ethernet1/17 received 4 unexpected PFC frames for COS 3 %ACLQOS-SLOT1-2-ACLQOS_UNEXPECTED_PFC_FRAMES: Ethernet1/18 received 2 unexpected PFC frames for COS 3

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.