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在 RHEL 中,iscsi 设备接收到 "connectionX:0: detected conn error"

Solution In Progress - Updated -

Issue

- 来自外部存储的 iSCSI LUN 在两个不同的服务器间共享。以下错误信息出现在 /var/log/messages 文件中,与 iscsi LUN 相关。


Apr  1 11:43:11 hostname kernel: connection36:0: detected conn error (1020)
Apr  1 11:43:11 hostname kernel: connection34:0: detected conn error (1020)
Apr  1 11:43:11 hostname kernel: connection33:0: detected conn error (1020)
Apr  1 11:43:12 hostname iscsid: Kernel reported iSCSI connection 18:0 error (1020 - ISCSI_ERR_TCP_CONN_CLOSE: TCP connection closed) state (3)
Apr  1 11:43:12 hostname iscsid: Kernel reported iSCSI connection 20:0 error (1020 - ISCSI_ERR_TCP_CONN_CLOSE: TCP connection closed) state (3)
Apr  1 11:43:12 hostname iscsid: Kernel reported iSCSI connection 30:0 error (1020 - ISCSI_ERR_TCP_CONN_CLOSE: TCP connection closed) state (3)
  • multipath 路径在内核报告 "connectionX:0: detected conn error (1020)" 后失败,服务器变得无响应
  • iscsi 连接失败,带有 "conn error"
  • 为什么我的 iscsi 连接报告错误?

Environment

  • Red Hat Enterprise Linux (RHEL) 5、6、7 或 8。
  • iscsi-intiator-utils

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