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[OCI] "Sync ASM rebalance" Event is Always Seen at Top Wait Events Even Though There is No Rebalancing Going On (Doc ID 2726941.1)

Last updated on NOVEMBER 23, 2020

Applies to:

Oracle Cloud Infrastructure - Database Service - Version N/A to N/A [Release 1.0]
Information in this document applies to any platform.

Symptoms

Observing Sync ASM Rebalance Wait event in Top 5 wait Event.

Top 5 Timed Events                                                    Avg
%Total
~~~~~~~~~~~~~~~~~~                                                   wait  
Call
Event                                            Waits    Time (s)   (ms)  
Time
----------------------------------------- ------------ ----------- ------
------
Sync ASM rebalance                               5,620          28      5  
76.8
control file sequential read                     3,949           3      1    
7.7
CPU time                                                         3          
6.8
db file sequential read                          3,878           3      1    
6.8
db file scattered read                             259           0      1    
.9
          -------------------------------------------------------------

But there is no rebalancing seen:

SQL> select INST_ID, OPERATION, STATE, POWER, SOFAR, EST_WORK, EST_RATE, EST_MINUTES from GV$ASM_OPERATION;

no rows selected

Even though restarted the server every day still the event is always there.

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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