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iSCSI sessions remain in a reconnecting state after Hyper-V host reboot

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Applies to

NetApp E-Series EF300

Issue

  1. Hyper V Host are rebooted and not able to connect to EF300 and remains in reconnecting until the EF300 is rebooted.

From the MEL Parser RPC call happeing for some ISCSI connection: 

--> Return code  : 0x0001 = ok
A:7/29/26, 10:10:51 AM (10:10:51) 955656 9000 The active trace buffer size exceeds the defined threshold - Controller in bay A
B:7/29/26, 10:10:28 AM (10:10:28) 955655 5023 Controller return status/function call for requested operation - Shelf 99, Bay B
----> RPC function : 0x00c8 = setIscsiStatisticsBaseline
----> Return code  : 0x0001 = ok
B:7/29/26, 10:08:51 AM (10:08:51) 955654 9000 The active trace buffer size exceeds the defined threshold - Controller in bay A
A:7/29/26, 9:51:13 AM (09:51:13) 955653 9104 Analysis of workload balance was performed - None
B:7/29/26, 9:14:45 AM (09:14:45) 955652 5023 Controller return status/function call for requested operation - Shelf 99, Bay B
----> RPC function : 0x00c8 = setIscsiStatisticsBaseline
----> Return code  : 0x0001 = ok
B:7/29/26, 9:13:00 AM (09:13:00) 955651 5023 Controller return status/function call for requested open

2. Unused mirrored volumes were present and showed reconnection attempts.

 --> Return code  : 0x0001 = ok
A:7/2/26, 11:34:59 AM (11:34:59) 951909 9000 The active trace buffer size exceeds the defined threshold - Controller in bay A
B:7/2/26, 11:24:26 AM (11:24:26) 951908 5023 Controller return status/function call for requested operation - Shelf 99, Bay B
----> RPC function : 0x00c8 = setIscsiStatisticsBaseline
----> Return code  : 0x0001 = ok
B:7/2/26, 11:22:43 AM (11:22:43) 951907 6503 Communication to remote volume down - Volume <Volume Name> <--CRITICAL
B:7/2/26, 11:22:43 AM (11:22:43) 951906 6503 Communication to remote volume down - Volume <Volume Name> <--CRITICAL

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