disk.stledTooLong：磁盘的I/O已暂停

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适用场景

AF-A400
ONTAP 9
MetroCluster IP

问题描述

EMS事件中出现"disk.stledTooLong：磁盘的I/O "。
这些事件仅从一个节点记录
升级ONTAP后、事件开始发生。
在日志中、您可以看到以下事件：

Thu Oct 19 12:37:03 0200 [Cluster123: disk_timer: disk.stalledTooLong:error]: I/O for disk Ov.1x.xxxx has been suspended 1 time for 116 seconds. Thu Oct 19 12:37:13 0200 [Cluster123: disk_timer: disk.stalledTooLong:error]: I/O for disk Ov.1x.xxxx has been suspended 1 time for 126 seconds.
Thu Oct 19 12:37:23 0200 [Cluster123: disk_timer: disk.stalledTooLong:error]: I/O for disk Ov.1x.xxxx has been suspended 1 time for 136 seconds.