MCC－IP后端连接出现故障，导致多个驱动器出现故障

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适用场景

ONTAP 9
MetroCluster IP
AFF A250

问题描述

事件日志中报告的高延迟导致磁盘故障率增加

Tue Feb 1 08:00:00 +0100 [netapp01-01: disk_latency_monitor: shm.ssd.threshold.ioLatency:notice]: SSD 0m.i2.3L13 has exceeded the expected block latency in the current timeframe with an average latency of 10089 us and an average utilization of 37 percent. The next highest SSD latency: 1339 us. Disk 0m.i2.3L13 Shelf 0 Bay 18 [NETAPP  X] S/N [] UID []

ifstat -a 报告后端MCC端口上的CRC错误增加

-- interface e0d (50 days, 0 hours, 0 minutes, 1 seconds) --

CRC errors: 16984 | Runt frames: 0 | Fragment: 1344

命令会对事件日志中报告的远程驱动器执行操作

Thu Feb 11 08:00:00 +0100 [netapp01-01:scsi_cmdblk_strthr_admin: scsi.cmd.abortedByHost:error]: Disk device 0v.i2.2L4: Command aborted by host adapter: HA status 0x13: cdb 0x28:16712464:0001.