CONTAP-479391: Automated Non Disruptive Update (ANDU) pauses
Issue
- Automated Non Disruptive Update (ANDU) pauses with error:
MyCluster::> cluster image show-update-progress
Error: Failed to migrate data LIFs
from node "MyCluster-02".
Action: Migrate all of the data LIFs
using the "network interface
migrate-all -node MyCluster-02
MyCluster::> event log show
Tue May 13 10:25:40 +0200 [MyCluster-02: upgrademgr: upgrademgr.update.pausedErr:error]: The automated update of the cluster has been paused due to the following reason: Node "MyCluster-01": Error: {Failed to migrate data LIFs from node "MyCluster-02".}, Action: {Migrate all of the data LIFs using the "network interface migrate-all -node MyCluster-02" command.}. - Manual LIF migration fails too:
demchdcc01n::> net int migrate -vserver MyVserver -lif MyLIF -destination-node MyCluster-01 -destination-port a0a-1337 (network interface migrate)
Error: command failed: LIF "MyLIF" failed to migrate: failed to remove LIF from source Nblade. - EMS via command
event log show
periodically throws error:Tue May 13 10:23:42 +0200 [MyCluster-02: nblade1: ems.engine.suppressed:debug]: Event 'Nblade.vifdel.longRunning' suppressed 5 times in last 300 seconds.
Tue May 13 10:23:42 +0200 [MyCluster-02: nblade1: Nblade.vifdel.longRunning:error]: Excessive delay while deleting connections on LIF 1547, 5 connections remaining. - sktrace log shows periodically:
2025-05-13T08:16:42Z 21788507107423712 [2:0] PCP_VifDelSM: waitForConnsToDrain: WAIT_FOR_CONNS_TO_DRAIN, LIF 1547, lingering S3 connection on the front of the closing list, state 8, 5 remaining...2025-05-13T08:17:42Z 21788644772961777 [17:0] PCP_VifDelSM: waitForConnsToDrain: WAIT_FOR_CONNS_TO_DRAIN, LIF 1547, lingering S3 connection on the front of the closing list, state 8, 5 remaining2025-05-13T08:18:42Z 21788782438547694 [3:0] PCP_VifDelSM: waitForConnsToDrain: WAIT_FOR_CONNS_TO_DRAIN, LIF 1547, lingering S3 connection on the front of the closing list, state 8, 5 remaining
- Despite all LIFs hosted, end users may report NAS access partially dropping
- ONTAP patch for CONTAP-209675 is running