Skip to main content
NetApp Knowledge Base

CVO HA Degraded: “NVRAM log not synchronized” and takeover disabled on node

  1. Last updated
  2. Save as PDF
Views:
254
Visibility:
Public
Votes:
0
Category:
cloud-volumes-ontap-cvo
Specialty:
ds_cvo
Last Updated:

Applies to

  • Cloud Volumes ONTAP (CVO)
  • Microsoft Azure

Issue

  • CVO HA cluster is reported with degraded status in NetApp Console.
  • Takeover from node cvocluster-01 was not possible due to unsynchronized NVRAM logs.
  • The following output was observed when running storage failover show command:
cvocluster::> storage failover show
Takeover
Node           Partner         Possible State Description
-------------------------------------------------------------------------
cvocluster-01  cvocluster-02   false    Connected to cvocluster-02, Takeover
                                    is not possible: NVRAM log not
                                    synchronized
cvocluster-02  cvocluster-01   true     Connected to cvocluster-01
 
  • Check on the HA interconnect config/status shows that the
cvocluster::*> storage failover show -fields interconnect-links ,interconnect-up, interconnect-type
node          interconnect-up interconnect-links      interconnect-type
------------- --------------- ----------------------- -----------------
cvocluster-01 true            RDMA Interconnect is up iWARP
cvocluster-02 true            RDMA Interconnect is up iWARP
 
cvocluster::*> system ha interconnect status show
Node: cvocluster-01
Link Status: up
IC RDMA Connection: up
Node: cvocluster-02
Link Status: up
IC RDMA Connection: up
2 entries were displayed.
 
cvocluster::*> system ha interconnect config show
Node: cvocluster-01
Interconnect Type: iWARP
Connection Initiator: partner
Interface: external
Port   IP Address
----   -----------------
e0c    10.0.4.21
Node: cvocluster-02
Interconnect Type: iWARP
Connection Initiator: local
Interface: external
 
 

Sign in to view the entire content of this KB article.

New to NetApp?

Learn more about our award-winning Support

NetApp provides no representations or warranties regarding the accuracy or reliability or serviceability of any information or recommendations provided in this publication or with respect to any results that may be obtained by the use of the information or observance of any recommendations provided herein. The information in this document is distributed AS IS and the use of this information or the implementation of any recommendations or techniques herein is a customer's responsibility and depends on the customer's ability to evaluate and integrate them into the customer's operational environment. This document and the information contained herein may be used solely in connection with the NetApp products discussed in this document.