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 10.2.0.5

After installing Oracle Application Server 10.2.0.2, with corresponding OID, Grid Control 10.2.0.5 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 (10.2.0.4) crashes – on a site (64-bit) with many databases (10.2.0.3) 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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