Skip to main content
NetApp Response to Russia-Ukraine Cyber Threat
In response to the recent rise in cyber threat due to the Russian-Ukraine crisis, NetApp is actively monitoring the global security intelligence and updating our cybersecurity measures. We follow U.S. Federal Government guidance and remain on high alert. Customers are encouraged to monitor the Cybersecurity and Infrastructure Security (CISA) website for new information as it develops and remain on high alert.
NetApp Knowledge Base

EMERGENCY Controller failover of node_name is not possible. Unsynchronized log

Views:
1,543
Visibility:
Public
Votes:
0
Category:
aff-series
Specialty:
hw
Last Updated:

Applies to

  • AFF A700
  • ONTAP 9

Issue

  • EMS Emergency message:
Sun Apr 18 09:50:00 +0200 [node_name_1: monitor: monitor.globalStatus.critical:EMERGENCY]: Controller failover of node_name_2 is not possible: unsynchronized log.
  • This is a transient issue not persistent. 
  • Storage failover is enabled.
  • System Health is fine and no Health Alerts present.
  • Event logs example:
Time              Node        Severity Event
----------------- ---------   -------  -------------------------------
4/8/2021 08:29:18 node_name_1 ERROR    cf.fsm.takeoverByPartnerDisabled: Failover monitor: takeover of node_name_1 by node_name_2 disabled (unsynchronized log).
4/8/2021 08:29:18 node_name_1 ERROR    cf.fsm.takeoverOfPartnerDisabled: Failover monitor: takeover of node_name_2 disabled (unsynchronized log).
4/8/2021 08:29:16 node_name_1 ERROR    cf.fsm.takeoverOfPartnerDisabled: Failover monitor: takeover of node_name_2 disabled (HA interconnect error. Verify that the partner node is running and that the HA interconnect cabling is correct, if applicable. For further assistance, contact technical support).
4/8/2021 08:29:15 node_name_1 ERROR    cf.fsm.takeoverByPartnerDisabled: Failover monitor: takeover of node_name_1 by node_name_2 disabled (HA interconnect error. Verify that the partner node is running and that the HA interconnect cabling is correct, if applicable. For further assistance, contact technical support).
4/8/2021 07:49:11 node_name_1 ERROR    cf.fsm.takeoverByPartnerDisabled: Failover monitor: takeover of node_name_1 by node_name_2 disabled (HA interconnect error. Verify that the partner node is running and that the HA interconnect cabling is correct, if applicable. For further assistance, contact technical support).
4/8/2021 07:49:11 node_name_1 ERROR    cf.fsm.takeoverOfPartnerDisabled: Failover monitor: takeover of node_name_2 disabled (HA interconnect error. Verify that the partner node is running and that the HA interconnect cabling is correct, if applicable. For further assistance, contact technical support).
  • Flapping interconnect link issue in both nodes:
Sun Apr 18 07:47:41 +0200 [node_name_1: gop_eq_thread: ic.linkStatusChange:info]: HA interconnect: Port ic6a link is down.
Sun Apr 18 07:47:44 +0200 [node_name_1: gop_eq_thread: ic.linkStatusChange:info]: HA interconnect: Port ic6a link is up.
Sun Apr 18 09:49:46 +0200 [node_name_1: gop_eq_thread: ic.linkStatusChange:info]: HA interconnect: Port ic6a link is down.
Sun Apr 18 09:49:49 +0200 [node_name_1: gop_eq_thread: ic.linkStatusChange:info]: HA interconnect: Port ic6a link is up.
...
 
Sun Apr 18 07:47:41 +0200 [node_name_2: gop_eq_thread: ic.linkStatusChange:info]: HA interconnect: Port ic6a link is down.
Sun Apr 18 07:47:44 +0200 [node_name_2: gop_eq_thread: ic.linkStatusChange:info]: HA interconnect: Port ic6a link is up.
Sun Apr 18 09:49:46 +0200 [node_name_2: gop_eq_thread: ic.linkStatusChange:info]: HA interconnect: Port ic6a link is down.
Sun Apr 18 09:49:49 +0200 [node_name_2: gop_eq_thread: ic.linkStatusChange:info]: HA interconnect: Port ic6a link is up.
....

 

Scan to view the article on your device
CUSTOMER EXCLUSIVE CONTENT

Registered NetApp customers get unlimited access to our dynamic Knowledge Base.

New authoritative content is published and updated each day by our team of experts.

Current Customer or Partner?

Sign In for unlimited access

New to NetApp?

Learn more about our award-winning Support