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节点崩溃：卷中 flexvol 的最佳 AA 中没有空闲 vvbns

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ontap-9
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适用于

ONTAP 9

问题描述

  1. 节点遇到 panic/reboot 事件，panic 字符串为：
    panic_string: No free vvbns in best AA of  the flexvol in volume volume_01@vserver:71a6ba17-04b0-11ee-8b91-d999eaa88800a0.
    WAFL inconsistent. Contact NetApp technical support.
  2. 节点重新启动后，panic 字符串中提到的卷被标记为不一致：
::> node run -node <node_name> -c vol status -v volume_01
    Volume State       Status         Options
    volume_01 offline    raid_dp, flex      schedsnapname=ordinal, nbu_archival_snap=off,
                cluster         space_slo=none(disabled)
               wafl inconsistent
                64-bit

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