grid control

Oracle Enterprise Manager 13c and Always On Monitoring

In this cloud-era it’s almost weird to explore stuff on-premises, but I did….  In this case a slightly Higher Availibility configuration of Oracle Enterprise Manager (OEM) that doesn’t  cost anything, is not disruptive to the existing configuration and gives a tiny bit more confidence during patching of OEM : Always On Monitoring (AOM).  Maybe a

By |2022-04-30T20:23:27+02:00July 19th, 2020|grid control, Oracle Enterprise Manager|0 Comments

Enterprise Manager warnings : Diskgroup requires rebalance on ASM targets

The following is from a former colleague, worth mentioning. The ASM targets in OEM-GC give the next active warnings: Metric: Disk Group Percent Imbalance Message: Disk Group SYSTEMDG requires rebalance because the space usage imbalance between disks is high. Metric: Disk Size Imbalance (%) Message: Disk Group SYSTEMDG has failure groups with disks of different

By |2023-04-23T11:41:13+02:00October 5th, 2019|grid control, RAC|0 Comments

Object ODS.OID_RESPONSE_ARRAY_TYPE does not exist, Grid Control

After installing Oracle Application Server, with corresponding OID, Grid Control gave me the obove mentioned error, and the the item OID gave a 'metric collection error'. To fix the metric collection error downloaded and applied Patch 5686191 on top of OID product.This is a sql-script to run against the OID-repository.

By |2022-06-18T13:21:28+02:00August 31st, 2009|grid control|1 Comment

Crash Grid Control agent, too many open files;health check-error

Agent ( crashes – on a site (64-bit) with many databases ( a lot, intermittently – , too many open files, emagent.trc gives ‘health check’ error Agent gave messages – in the past – like this: Number files opened by Agent is 1140. These files appeared to be the $ORACLE_HOME/dbs/hc<instance>_.dat which is loaded a lot

By |2022-06-07T20:24:09+02:00April 16th, 2009|grid control|2 Comments

Every 5 seconds vpxoci-error in emagent.trc, ora-25228

Noticed that the following error was popping up in the emagent.trc of a 10.2.04 – Grid Control-agent  on a specific node, every 5 seconds. Annoying, unnecessary: 2007-09-18 12:15:14 Thread-134875 ERROR vpxoci: Error on dequeue from SYS.ALERT_QUE: ORA-00604: error occurred at recursive SQL level 1 ORA-06502: PL/SQL: numeric or value error ORA-06512: at line 30 ORA-25228:

By |2022-06-07T20:23:08+02:00March 27th, 2009|grid control|0 Comments

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