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MGWD keeps restarting after ONTAP revert from 9.9.1 to 9.8

Views:
42
Visibility:
Public
Votes:
0
Category:
ontap-9
Specialty:
core
Last Updated:
6/18/2025, 8:01:26 AM

Applies to

  • ONTAP 9
  • Revert from ONTAP 9.12.1 > 9.11.1 > 9.10.1 > 9.9.1 > 9.8

Issue

  • After reverting one node from ONTAP 9.9.1 to 9.8, the management gateway daemon (MGWD) keeps restarting on that node.
[2025-05-09 02:48:03.641] cluster::*> cluster ring show
[2025-05-09 02:48:04.362] Node      UnitName Epoch    DB Epoch DB Trnxs Master    Online
[2025-05-09 02:48:04.369] --------- -------- -------- -------- -------- --------- ---------
[2025-05-09 02:48:04.375] node1 mgmt     336      336      47       node2 secondary
[2025-05-09 02:48:04.382] node1 vldb     85       85       37       node2 secondary
[2025-05-09 02:48:04.389] node1 vifmgr   96       96       280      node2 secondary
[2025-05-09 02:48:04.396] node1 bcomd    85       85       8        node2 secondary
[2025-05-09 02:48:04.403] node1 crs      62       62       6        node2 secondary
[2025-05-09 02:48:04.411] node2 mgmt     336      336      49       node2 master
[2025-05-09 02:48:04.416] node2 vldb     85       85       37       node2 master
[2025-05-09 02:48:04.422] node2 vifmgr   96       96       280      node2 master
[2025-05-09 02:48:04.429] node2 bcomd    85       85       8        node2 master
[2025-05-09 02:48:04.435] node2 crs      62       62       6        node2 master
[2025-05-09 02:48:04.442] 10 entries were displayed.
[2025-05-09 02:48:04.446] 
[2025-05-09 02:48:04.446] cluster::*> cluster ring show
[2025-05-09 02:48:10.336] Node      UnitName Epoch    DB Epoch DB Trnxs Master    Online
[2025-05-09 02:48:10.342] --------- -------- -------- -------- -------- --------- ---------
[2025-05-09 02:48:10.349] node1 mgmt     0        336      47       -         offline
[2025-05-09 02:48:10.355] node1 vldb     85       85       37       node2 secondary
[2025-05-09 02:48:10.362] node1 vifmgr   96       96       280      node2 secondary
[2025-05-09 02:48:10.370] node1 bcomd    85       85       8        node2 secondary
[2025-05-09 02:48:10.377] node1 crs      62       62       6        node2 secondary
[2025-05-09 02:48:10.383] node2 mgmt     337      337      45       node2 master
[2025-05-09 02:48:10.389] node2 vldb     85       85       37       node2 master
[2025-05-09 02:48:10.398] node2 vifmgr   96       96       280      node2 master
[2025-05-09 02:48:10.402] node2 bcomd    85       85       8        node2 master
[2025-05-09 02:48:10.413] node2 crs      62       62       6        node2 master
[2025-05-09 02:48:10.417] 10 entries were displayed.
  • SSH login fails on the reverted ONTAP 9.8 node.
  • Reversion cannot be completed.

 

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