FlexArray 上的E系列性能下降驱动器检查条件
适用场景
- E系列E5600、EF5700
- ONTAP 9.x
- SANtricity OS 08.40.50.00及更高版本
- 磁盘类型HUS724040ALS640固件MS04-04
问题描述
- FlexArray性能不佳
- 主要事件日志中出现多个设置目标端口组(STPG)错误
A Set Target Port Groups (STPG) command was received for this volume and caused the volume to be transferred - Volume xyz ----> hbaAlias: abc hbaWWN: lkj
ONTAP主机上的错误示例:
ERROR mlm.non.optimized.TPusage: Detected non-optimized usage of a array's target port. WWPN: 1234567890, average service time: x0000us, average latency: y00000us