raid-dp 到 raid-tec 转换期间因磁盘故障导致的延迟

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Category:: ontap-9

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适用场景

ONTAP 9
FAS/AFA

问题描述

在聚合“aggr_node01”上将 RAID 类型从 RAID-DP 转换为 RAID-TEC 期间，磁盘 8.xx 出现故障，导致延迟峰值。

node01: disk_latency_monitor: shm.threshold.ioLatency: Disk 10b.08.xx has exceeded the expected IO latency in the current window with average latency of 512 msecs and average utilization of 100 percent. Highest average IO latency: 10b.08.xx: 512 msecs; next highest IO latency: 9a.01.55: 11 msecs.

node01: raid.config.filesystem.disk.failed: Filesystem Disk /aggr_node01/plex0/rg4/10b.08.xx Shelf 8 Drawer 4 Slot 0 Bay xx failed.