em12c - Svetoslav Gyurov technical blog

EMDIAG Repvfy 12c kit - troubleshooting part 1

The following blog post continue the EMDIAG repvfy kit series and will focus on how to troubleshoot and solve the problems reported by the kit. The repository verification kit reports number of problems with our repository which we are about to troubleshoot and solve one by one. It’s important

em12c

OEM 12c installation fails if parallel_max_servers too high

Just a quick post regarding OEM 12c installation where recently I had to install OEM 12c and during the repository configuration step the installation fails with error: ORA-12801: error signaled in parallel query server P151 This was caused by a known bug which requires decreasing the number of parallel queries

emdiag

EMDIAG Repvfy 12c kit - basics

Second post in the series of emdiag repvfy kit about the basics of the tool. Having the kit already installed in earlier post it is time now to get some basics before we start troubleshooting. There are three main commands with repvfy: verify - repository-wide verification analyze - objects specific

emcli

Why my EM12c is giving Metric evaluation error for Exadata cell targets?

As part of my Cloud Control journey I encountered a strange problem where I got the following error for few Exadata Storage Server (cell) targets: Metric evaluation error start - oracle.sysman.emSDK.agent.fetchlet.exception.FetchletException: em_error=Failed to execute_exadata_response.pl ssh -q -o ConnectTimeout=60

emdiag

EMDIAG Repvfy 12c kit - installation

Recently I’m doing a lot of OEM stuff for a customer and I’ve decided to tidy and clean up a little bit. The OEM version was 12cR2 and it was used for monitoring few Exadata’s and had around 650 targets. I planned to upgrade OEM to 12cR3,

dba

Upgrade to Oracle Enterprise Manager Cloud Control 12c Release 3 (12.1.0.3)

Just a quick wrap up on EM12cR3 upgrade. I have to say that I was pleasantly surprised that everything went so smooth. I didn’t expected anything else, but with so how many products and components we have there I got few things in mind. The version I got was

emcli

Oracle EM auto discovery fails if the host is under blackout

During Exadata project I had to put some order and tidy up the Enterprise Manager targets. I’ve decided to discover all targets, promote the one which are missing and delete old/stale one. I’ve got strange error and decided to share it if someone hit it. I’m

em12c

Oracle announces Enterprise Manager Cloud Control 12c

Yesterday at Open World, Oracle announced the release of Enterprise Manager Cloud Control 12c release 1 (version 12.1.0.1), where c stand for cloud. EM12c is a management solution providing centralised monitoring, administration, and lifecycle management functionality for the complete IT infrastructure. A lot of organisations deploy private