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工作负载大幅增加后, ONTAP FlexArray WAFL 挂起

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v-series-flexarray
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适用于

  • ONTAP 9.x
  • E 系列

问题

  • WAFL 崩溃并重新启动节点
  • E 系列报告光纤通道错误 
  • 性能极低
    • 报告的 VOL/ LUN 延迟极高或 " 不可用 "
  • 一个端口 "Disk device 0z .1L00" 出现 SCSI 传输错误
  • 节点遇到较长的一致点( CP )
示例 EMS 消息:
WAFL hung for <node>. in SK process wafl_exempt07 on release 9.6P5
ERROR  scsi.cmd.transportErrorEMSOnly: Disk device : Transport error during execution of command: HA status
wafl.cp.toolong: Aggregate xyz experienced a long CP
mlm.non.optimized.TPusage: Detected non-optimized usage of a array's target port
cf.multidisk.fatalProblem:info]: Node encountered a multidisk error or other fatal error while waiting to be taken over
"Host-side: controller in slot B, port <port>: Fiber channel link errors - threshold exceeded"

 

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