MGWD keeps restarting after ONTAP revert from 9.9.1 to 9.8
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.