ONTAP FC 客户端无法访问存储 LUN
适用于
- ONTAP FCP
问题
- FC 主机/客户端无法访问 LUN 但其他主机可以
- 具有访问权限的主机受性能问题影响
- Microsoft Hyper-V 系统日志报告事件 ID 153
- Microsoft Hyper-V 设备管理器报告存储适配器 HBA 端口处于未知状态，状态为"此设备运行不正常"
- ONTAP 事件日志每隔几分钟报告FC IO 错误状态=5和 AEN 0x8048 错误
- ONTAP ASUP 和监控指示 FC 端口 SFP 传输光功率下降一半
ONTAP 事件日志示例：
Cluster::*> event log show -message-name *fcp*
Time Node Severity Event
------------------- ---------------- ------------- ---------------------------
fcp.io.status: STIO Adapter:0h AEN 0x8048 (RECV_ERROR) MboxStatus1 0xfffe MboxStatus2 0x2
fcp.io.status: STIO Adapter:0h, found hung cmd:0xfffff808f9339380(state=5, flags=0x0, ctio_sent=1/1,RecvExAddr=0x125a30, OX_ID=0x6a7, RX_ID=0xffff,SID=0x10200, Cmd[2A], req_q_free:69)
fcp.io.status: STIO Adapter:0h, found hung cmd:0xfffff808f92d4250(state=5, flags=0x0, ctio_sent=1/1,RecvExAddr=0x128ac0, OX_ID=0x24f, RX_ID=0xffff,SID=0x10200, Cmd[2A], req_q_free:8123)
fcp.io.status: STIO Adapter:0h AEN 0x8048 (RECV_ERROR) MboxStatus1 0xfffe MboxStatus2 0x2
fcp.io.status: STIO Adapter:0h, found hung cmd:0xfffff808f92d4250(state=5, flags=0x0, ctio_sent=1/1,RecvExAddr=0x128ac0, OX_ID=0x24f, RX_ID=0xffff,SID=0x10200, Cmd[2A], req_q_free:8123)
fcp.io.status: STIO Adapter:0h AEN 0x8048 (RECV_ERROR) MboxStatus1 0xfffe MboxStatus2 0x2
fcp.io.status: STIO Adapter:0h, found hung cmd:0xfffff808f9339380(state=5, flags=0x0, ctio_sent=1/1,RecvExAddr=0x125a30, OX_ID=0x6a7, RX_ID=0xffff,SID=0x10200, Cmd[2A], req_q_free:69)
fcp.io.status: STIO Adapter:0h AEN 0x8048 (RECV_ERROR) MboxStatus1 0xfffe MboxStatus2 0x2
fcp.io.status: STIO Adapter:0h, found hung cmd:0xfffff808f91e4340(state=5, flags=0x0, ctio_sent=1/1,RecvExAddr=0x121b60, OX_ID=0x1c6, RX_ID=0xffff,SID=0x10200, Cmd[2A], req_q_free:7532)FCP 适配器示例：
Cluster::*>network fcp adapter show -node <node_name> -fields sfp-rx-power, sfp-tx-power, switch-port
Rx Power: 553.5 (uWatts)
Tx Power: 215.8 (uWatts)
Cluster::*> network fcp adapter show -node <node_name> -adapter 0h
Adapter: 0h
Description: Fibre Channel Target Adapter 0h (QLogic 8324 (8362), rev. 2, 16G)
Received Optical Power: 553.5 (uWatts)
SFP Transmitted Optical Power: 215.8 (uWatts)