iscsid ：内核报告 iSCSI 连接 2 ： 0 错误

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适用于

NetApp FAS/AFF 存储系统
通过 iSCSI 访问的 NetApp LUN
Linux 主机

问题

Linux 主机会在系统日志中报告类似于以下内容的错误：

2020-03-18T09:28:05.300348+01:00 linux_host iscsid[13081]: iscsid: Kernel reported iSCSI connection 2:0 error (1022 - ISCSI_ERR_NOP_TIMEDOUT: A NOP has timed out) state (3)
 2020-03-18T09:28:05.304223+01:00 linux_host kernel: [400826.766579] connection2:0: ping timeout of 5 secs expired, recv timeout 5, last rx 4395097118, last ping 4395098370, now 4395099624
 2020-03-18T09:28:05.304232+01:00 linux_host kernel: [400826.766590] connection2:0: detected conn error (1022)
 2020-03-18T09:28:10.312394+01:00 linux_host kernel: [400831.778545] session2: session recovery timed out after 5 secs