COTP-169689：本地MGEWD设备脱机、集群运行状况不正常

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问题描述

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.