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由于日志未同步,已禁用 HA 接管

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ontap-9
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适用于

  • NetApp FAS8700 系统
  • ONTAP 9.16.1P1

问题描述

  • 间歇性地,HA 对中节点之间的控制器故障转移(接管)因"未同步日志"错误而被禁用。
  • 在两个节点上都会看到此问题,通常在繁重、突发性写入工作负载期间,并在几分钟后自动解决。
  • 在 HA 端口上观察到高暂停帧率(ifstat)
  • 未观察到硬件或物理网络错误
  • 常见 EMS 日志输出:
cf.fsm.takeoverOfPartnerDisabled:error
monitor.globalStatus.critical:EMERGENCY
nvmm_offline_rmt_nv_internal: Mirror(HA_PARTNER): Abort mirror
mirror.stream.qp.error: NVMM_ERR_IO
Failover monitor: takeover of partner disabled (unsynchronized log)
Controller failover is not possible: unsynchronized log

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