由于IOM12B固件升级、远程MCCIP磁盘出现传输错误

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适用场景

ONTAP 9
MetroCluster IP

问题描述

新添加的磁盘架正在尝试自动升级IOM12B固件、但失败、从而导致传输错误和iSCSI会话重新连接
示例：
Sun Mar 24 17:17:00 -0500 [NODE-n01: hamsg: sfu.adapterSuspendIO.ndu:info]: Suspending SMP to SAS adapter 0c for 35 seconds while shelf firmware is updated. Sun Mar 24 17:17:19 -0500 [NODE-n01: doneq0: scsi.mcc.adt.ioTransportError:error]: mcc_adt[3] - Transport error during execution of command: HA status 0x13: CAM transport status 0xb : cdb 0x1c. Sun Mar 24 17:17:19 -0500 [NODE-n01: scsi_cmdblk_strthr_admin: scsi.cmd.abortedByHost:error]: Enclosure services device 0v.i1.3L108: Command aborted by host adapter: HA status 0x13: cdb 0x1c. Sun Mar 24 17:17:19 -0500 [NODE-n01: scsi_cmdblk_strthr_admin: scsi.cmd.abortedByHost:error]: Enclosure services device 0v.i1.3L170: Command aborted by host adapter: HA status 0x13: cdb 0x1c. Sun Mar 24 17:17:34 -0500 [NODE-n01: kernel: iscsi.session.stateChanged:notice]: iSCSI session state is changed to Reconnecting for the target iqn.2016-06.com.netapp:XXXX (type: dr_partner, address: 0.0.0.0:65200). Reason: bad initiator task tag 0xaa6ff23e. Sun Mar 24 17:17:34 -0500 [NODE-n01: iscsid: iscsi.session.stateChanged:notice]: iSCSI session state is changed to Connected for the target iqn.2016-06.com.netapp:XXXX (type: dr_partner, address: 0.0.0.0:65200). Sun Mar 24 17:17:35 -0500 [NODE-n01: pmcsas_admin_0: mcc.ctlbe.IOResponseDelayed:info]: params: {'devSerial': 'SHFGB201500XXXX', 'lunId': '106', 'cdb': '1c 01 01 00 a0 00 ', 'delay': '15315'} Sun Mar 24 17:17:35 -0500 [NODE-n01: kernel: ctl.session.stateChanged:notice]: iSCSI CAM target layer's session state is changed to terminated for the initiator iqn.1994-09.org.freebsd:XXXX (address: 00.0.0.0). Reason: socket error 54 Sun Mar 24 17:17:35 -0500 [NODE-n01: pmcsas_admin_0: mcc.ctlbe.IOResponseDelayed:info]: params: {'devSerial': 'SHFGB201500XXXX', 'lunId': '106', 'cdb': '1c 01 01 00 a0 00 ', 'delay': '30383'} Sun Mar 24 17:17:35 -0500 [NODE-n01: kernel: ctl.session.stateChanged:notice]: iSCSI CAM target layer's session state is changed to terminated for the initiator iqn.1994-09.org.freebsd:XXXX (address: 0.0.0.0). Reason: socket error 54 Sun Mar 24 17:17:35 -0500 [NODE-n01: pmcsas_admin_0: mcc.ctlbe.IOResponseDelayed:info]: params: {'devSerial': 'SHFGB201500XXXX', 'lunId': '106', 'cdb': '1c 01 01 00 a0 00 ', 'delay': '15882'} Sun Mar 24 17:17:35 -0500 [NODE-n01: kernel: ctl.session.stateChanged:notice]: iSCSI CAM target layer's session state is changed to terminated for the initiator iqn.1994-09.org.freebsd:XXXX (address: 0.0.0.0). Reason: socket error 54