iSCSI LUN's not being able to be seen by ESXi hosts

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Category:: fas-systems

Specialty:: san

Last Updated:

Applies to

ONTAP 9
iSCSI
ESXi

Issue

Unable to establish iSCSI connections.

EMS:

Mon Dec 28 10:12:24 +0000 [acp-aff800-clus01-05: kernel: netinet.ethr.duplct.ipAdrr:error]: Duplicate IP address 10.16.xxx.xxx!! sent from Ethernet address: d0:94:66:xx:xx:xx.

VMware:

syslog.log:

2020-12-28T10:06:49Z iscsid: Shutdown Session: iqn.1992-08.com.netapp:vs.12 if=iscsi_vmk@vmk2 addr=10.16.xxx.xxx:3260 (TPGT:65536 ISID:0x11) (T0 C34) Reason=5

2020-12-28T10:06:49Z iscsid: Login Failed: iqn.1992-08.com.netapp:vs.12 if=iscsi_vmk@vmk2 addr=10.16.xxx.xxx:3260 (TPGT:65536 ISID:0x11) Reason: 00050204 Target Error: (0x0204 Requested ITN has been removed and no forwarding address is provided.)

vmkernel.log:

2020-12-28T09:53:23.926Z cpu5:2097954)WARNING: iscsi_vmk: iscsivmk_ConnReceiveAtomic:526: Conn [CID: 0 L: 10.90.xxx.xxx:24672 R: 10.16.xxx.xxx:3260]

2020-12-28T09:53:23.926Z cpu5:2097954)iscsi_vmk: iscsivmk_ConnRxNotifyFailure:1235: vmhba68:CH:14 T:0 CN:0: Connection rx notifying failure: Failed to Receive. State=Bound

2020-12-28T09:53:23.926Z cpu5:2097954)iscsi_vmk: iscsivmk_ConnRxNotifyFailure:1236: Sess [ISID: TARGET: (null) TPGT: 0 TSIH: 0]

2020-12-28T09:53:23.926Z cpu5:2097954)iscsi_vmk: iscsivmk_ConnRxNotifyFailure:1237: Conn [CID: 0 L: 10.90.xxx.xxx:24672 R: 10.16.xxx.xxx:3260]

2020-12-28T09:53:23.926Z cpu2:2097956)WARNING: iscsi_vmk: iscsivmk_ConnReceiveAtomic:517: vmhba68:CH:15 T:0 CN:0: Failed to receive data: Connection closed by peer