工作负载大幅增加后, ONTAP FlexArray WAFL 挂起
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"