无法报告 NVMM_ERR_IO 错误并进行接管

适用场景

• FAS8300
• ONTAP 9

问题描述

• EMS 日志报告错误：

Cluster::*> event log show
Time         Node        Severity    Event
------------------- ---------------- ------------- ---------------------------
12/3/2021 20:26:37  Cluster-02
                   DEBUG     nvmm.mirror.aborting: mirror of sysid 1, partner_type HA Partner and mirror state NVMM_MIRROR_SYNCING_START is aborted because of reason NVMM_ERR_IO.
12/3/2021 20:26:34  Cluster-01
                   DEBUG      rdma.rlib.connected: raid:HA:P QP is now connected.
12/3/2021 20:26:34  Cluster-02
                   DEBUG      rdma.rlib.connected: raid:HA:A QP is now connected.
12/3/2021 20:26:30  Cluster-02
                   DEBUG      mirror.stream.qp.error: mirror="HA Partner", qp_name="WAFL", error="NVMM_ERR_POLL_TIMEOUT"
12/3/2021 20:25:22  Cluster-02
                   DEBUG      nvmm.mirror.state.change: mirror of sysid 1, partner_type HA Partner, changed state from NVMM_MIRROR_LAYOUT_SYNCING to NVMM_MIRROR_LAYOUT_SYNCED and took 1 msecs.
 

• 由于 NVRAM 日志未同步，无法执行接管。

Cluster::> storage failover show
                Takeover
Node       Partner     Possible State Description
-------------- -------------- -------- -------------------------------------
Cluster-01
        Cluster-02  false   Connected to Cluster-02,
                     Takeover is not possible: NVRAM log
                    not synchronized
Cluster-02
        Cluster-01  true    Connected to Cluster-01
        
2 entries were displayed.

• 检查 HA 互连缆线状态是否不正确，端口 e0a/e0b 速度是否不正确。

两个端口均应为 25GbE

slot 0: 10G/25G Ethernet Controller CX5
        e0a MAC Address:   d0:39:ea:33:f8:51 (auto-25g_cr-fd-up)
          SFP Vendor:      Amphenol
          SFP Part Number:   NDCCGF-N103
          SFP Serial Number:  APF21149368814
        e0b MAC Address:   d0:39:ea:33:f8:52 (auto-10g_cr-fd-up)
          SFP Vendor:      Amphenol
          SFP Part Number:   NDCCGF-N103
          SFP Serial Number:  APF21149368913