Day: September 13, 2023

Software Library OMS Shared location default_loc is not accessible

Failed to pass checking accessibility by :

Login to EM > Setup > Provisioning and Patching > Software Library
Click to highlight the row > Actions(drop-down) > Check Accessibility

Solution

Make sure OMS host preferred credential is setup correctly.

Short Running Metric Collection Status is DOWN in OEM Cloud Control

Short Running Task Worker metric collection status is shown as Down from OMS and Repository monitoring :

From the Management Services and Repository target page, Navigate:

OMS and Repository > Monitoring > All Metrics > select Repository Operations Status

Following query running as sysman shows No Short Running task workers are running, which causes a backlog build up.

SQL> SELECT Decode(task_class_list, 0 , 'Short Running' , 1, 'Long Running ' , 'Unkown') Worker_type,
CASE
WHEN j.job_action IS NULL THEN 'No'
WHEN j.job_action IS NOT NULL THEN 'Yes'
    END AS job_submitted,
    j.state AS job_state,
    w.job_id AS worker_id,
Decode(w.worker_status, 0,'Starting', 1, 'Started', 'Stop Pending') worker_status
    FROM dba_scheduler_jobs j, MGMT_collection_workers w
    WHERE j.job_action(+) = 'EM_TASK.WORKER(' || w.job_id || ');'
   AND w.task_class_list IN ('0','1');

WORKER_TYPE   JOB JOB_STATE        WORKER_ID WORKER_STATU
------------- --- --------------- ---------- ------------
Long Running  Yes SCHEDULED                6 Started
Long Running  Yes SCHEDULED                7 Started

SOLUTION

SQL> show user
USER is "SYSMAN"
SQL> exec mgmt_collection.set_worker_count(0,4);

PL/SQL procedure successfully completed.

SQL> exec mgmt_collection.start_workers();

PL/SQL procedure successfully completed.

SQL> SELECT Decode(task_class_list, 0 , 'Short Running' , 1, 'Long Running ' , 'Unkown') Worker_type,
CASE
WHEN j.job_action IS NULL THEN 'No'
    WHEN j.job_action IS NOT NULL THEN 'Yes'
END AS job_submitted,
    j.state AS job_state,
w.job_id AS worker_id,
    Decode(w.worker_status, 0,'Starting', 1, 'Started', 'Stop Pending') worker_status
FROM dba_scheduler_jobs j, MGMT_collection_workers w
WHERE j.job_action(+) = 'EM_TASK.WORKER(' || w.job_id || ');'
AND w.task_class_list IN ('0','1');  

WORKER_TYPE   JOB JOB_STATE        WORKER_ID WORKER_STATU
------------- --- --------------- ---------- ------------
Short Running Yes SCHEDULED                2 Started
Short Running Yes SCHEDULED                1 Started
Short Running Yes SCHEDULED                3 Started
Short Running Yes SCHEDULED                4 Started
Long Running  Yes SCHEDULED                5 Started
Long Running  Yes SCHEDULED                8 Started

6 rows selected.