Enterprise Manager 13.3 - After Upgrade to DB Plugin 13.3.2: Missing 'Top Activities' Page and Empty Graphs when using 'Performance Hub'

oops - long title ... sorry for that Starting with DB Plugin 13.3.2.0, oracle has kicked out the flash plugin and replaced that with JET (JavaScript Extension Toolkit). As a consequence, 'Top Activity' page is not available anymore and is replaced by 'Performance Hub' respectively 'Ash Analytics' and...

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Solution: SQL Developer does not show its Startscreen after starting successfully

Problem:  After starting SQL Developer 18.4 on a Windows 10, the SQL Developer tile is shown in the taskbar, but the Startscreen is not shown on the desktop. "Quick and Dirty" Solution Stop SQL Developer.  Open Windows Explorer and type "%APPDATA%\SQL Developer" in the Directory/URL bar. You'll see a directory named according the SQL Developer release (for example, something like "system18.4.0.376.1900").  Rename...

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Enterprise Manager - Advanced Backup Strategies

Oracle's recommendation for an Enterprise Manager backup can be found in "Enterprise Manager Cloud Control Advanced Installation and Configuration Guide", chapter "Backing Up and Recovering Enterprise Manager". Basically, the recommendation consists of (only) three steps: ·      Software Library Backup ·      Management Repository Backup ·     ...

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Follow up: Upgrading Enterprise Manager 13.2 to 13.3 - missing 'Update' Option in GUI

First of all, thanks a lot to Martin Decker for his comment and the description how he could solve that problem. Tried that, but unfortunately, these changes alone did not help. I opened a SR and got a recommendation how to solve the problem, exactly designed for my environment. Beside the tasks Martin described, I had to edit some libraries in the directory tree <OMS_HOME>/inventory/featuresets/.  I...

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Upgrading Enterprise Manager 13.2 to 13.3 - missing 'Update' Option in GUI

Tried to upgrade an Enterprise Manager Cloud Control 13.2 to the next level of happiness - 13.3 - like I did that for several installations. Unfortunately, the 'Upgrading an existing Enterprise Manager System' option in the 'Installation Types' section of the installation GUI is not available. Usually, this behaviour points to an unavailable or corrupt Oracle Inventory. As additional possibility,...

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Copy MOS-Note URL's

Perhaps You've had that problem, too ... Something has changed with My Oracle Support URLs. Simply copying the url of an already opened MOS document and sending it to a collegue or pasting it into a doc will not give the expected result, i.e., forwarding to the expected document. But how to get the URL? Can be simply as that: Right click on the document's link, 'Copy link address' and You're done...

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Enterprise Manager 13c - 'Tablespace Space Used %' metric sends false alarms

Situation is ... Metric 'Tablespace Space Used %' is used to monitor the free space of the tablespaces. Sometimes You'll get an alarm that the Tablespace has reached it's critical value. But, the tablespace's data files are auto extensible and far away from the max size and the files are located on an ACFS which knows also auto-extensibility - or better said - an auto-resize feature. There is also...

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