CONTAP-169689: Local MGWD unit is offline and cluster is unhealthy

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Views:: 144

Visibility:: Public

Votes:: 0

Category:: ontap-9

Specialty:: core

Last Updated:

Issue

Cluster health is false:
::*> cluster show
Node Health Eligibility Epsilon
---------- ------- ------------ ------------
Cluster-01 false true false
Cluster-02 false true false
Cluster-03 false true true
Cluster-04 false true false
4 entries were displayed.
MGWD unit is offline on the affected by the issue node:
:*> cluster ring show
Node UnitName Epoch DB Epoch DB Trnxs Master Online
--------- -------- -------- -------- -------- --------- ---------
Cluster-01 mgmt 28 28 3254040 Cluster-02 secondary
Cluster-01 vldb 28 28 1432474 Cluster-02 secondary
Cluster-01 vifmgr 32 32 2693953 Cluster-02 secondary
Cluster-01 bcomd 29 29 83442 Cluster-02 secondary
Cluster-01 crs 26 26 14 Cluster-02 secondary
Cluster-02 mgmt 28 28 3254040 Cluster-02 master
Cluster-02 vldb 28 28 1432474 Cluster-02 master
Cluster-02 vifmgr 32 32 2693953 Cluster-02 master
Cluster-02 bcomd 29 29 83442 Cluster-02 master
Cluster-02 crs 26 26 14 Cluster-02 master
Cluster-03 mgmt 0 28 2635281 - offline
Cluster-03 vldb 28 28 1432474 Cluster-02 secondary
Cluster-03 vifmgr 32 32 2693953 Cluster-02 secondary
Cluster-03 bcomd 29 29 83442 Cluster-02 secondary
Cluster-03 crs 26 26 14 Cluster-02 secondary
Cluster-04 mgmt 28 28 3254040 Cluster-02 secondary
Cluster-04 vldb 28 28 1432474 Cluster-02 secondary
Cluster-04 vifmgr 32 32 2693953 Cluster-02 secondary
Cluster-04 bcomd 29 29 83442 Cluster-02 secondary
Cluster-04 crs 26 26 14 Cluster-02 secondary
20 entries were displayed.
VMEM limit exceeded errors can be found in the EMS log:
Wed Jul 28 01:15:09 +0000 [Cluster-03: mgwd: kern.vm.mmap.return:notice]: mmap(2) by mgwd (pid 2890) for size 32768 failed: VMEM limit exceeded, limit 4294967296, error 12.
Wed Jul 28 01:17:10 +0000 [Cluster-03: mgwd: kern.vm.mmap.return:notice]: mmap(2) by mgwd (pid 2890) for size 32768 failed: VMEM limit exceeded, limit 4294967296, error 12.
Wed Jul 28 01:19:11 +0000 [Cluster-03: mgwd: kern.vm.mmap.return:notice]: mmap(2) by mgwd (pid 2890) for size 32768 failed: VMEM limit exceeded, limit 4294967296, error 12.