Monitoring Enterprise Manager Infrastructure

Hello together,
I hope this topic hasn't been asked many times before, but the keywords monitoring and enterprise manager of course generate results to a lot of different topics in the search function...
Is there any Oracle recommended way - and if not, how could I manage it otherwise - to monitor the Enterprise Manager Infrastructure itself (OMS, repository..)?
I know from Enterprise Manager if any of the targets fail, but how do I know when Enterprise Manager fails? Would I have to write scripts that check it notify me by myself?
If so, which commands (in addition to the obvious emctl status oms) do you think would be important?
Thanks in advance.

In environments where grid control is used as a management framework tool, monitoring number of targets both from oracle and other vendors, its always a best-practice to configure high availability for grid control itself.
Multiple Management server can be configured to provide load balancing and high availability, using beacons to monitor each other's availability.
Kamaljeet

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    Trademarks
    Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners.
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    Bonaldi Kresnanto

    Bonaldi,
    Monitoring voice quality is just one aspect of ongoing operations. It is equally (if not more) important to have the ability to remotely troubleshoot end-user problems, manage configuration changes, and perform active testing on a regular basis before users are impacted.
    In addition, whenever you make changes to your IPT system (e.g. CallManager upgrades/patches, IOS upgrades, power outages) you'll definitely want the ability to verify the system is still operating as design. Using the active tests you can do this easily and in an automated fashion.
    ClarusIPC Operations is the only product that addresses these needs. It is also just as valuable during the deployment as ongoing operations to help you make changes and deploy new phones with the same product you day-to-day.
    I'd like to talk to you more about the product and how it can be used in your environment.
    David Roberts
    [email protected]

  • Enterprise Manager Newbie Q's

    Greetings All,
    Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
    Windows 2008 R2Last night one of the production users received an ORA-01652: unable to extend temp segment by 128 in tablespace TEMP error.
    Hence, my manager has requested that I
    “Please configure our database servers to notify us via email when critical thresholds are exceeded.
    This is a standard config option within enterprise manager”.I have very little experience/exposure with EM. In fact I’ve found several terms that I think all refer to the same thing (correct me if I’m wrong please), for example : "OEM Database Control", "OEM Grid Control", and something called "The Business Service Management (BSM)" capabilities of Oracle Enterprise Manager.
    Are these different products/tools, or different implementations of the OEM?
    We are not a RAC shop; Is the term GRID is also used to indicate a RAC environment?
    I am looking for some good "How To Use/Configure OEM" sources of information. Any suggestions would be appreciated.
    I’m looking a purchasing the following books, any recommendations on these or others?
    Oracle Enterprise Manager 10g Grid Control Handbook (Oracle Press) - Werner De Gruyter
    Oracle Enterprise Manager Grid Control 11g R1: Business Service Management - Ashwin Kumar Karkala, Govinda Raj Sambamurthy
    It seems that there is a data repository for the OEM. Is this generally required? Can I set things up such that I can get e-mail notifications when tablespace(s) exceed a certain usage threshold without the repository?
    I know I’ve rambled about some, thanks for your patients.
    Thanks for your time,
    Bob

    I can answer a couple of your questions...
    "OEM Database Control" is essentially "Oracle Enterprise Manager for a single database". "OEM Grid Control" (or, the current release, "OEM Cloud Control" is essentially "Oracle Enterprise Manager for several databases", plus the ability to monitor server hosts, web applications, and quite a few other non-database items. They are similar, but different products. Database Control generally gets installed along with the database software itself, while Grid/Cloud Control is a completely separate installation of a standalone product. I have no idea what the BSM bit refers to.
    Database Control uses the one monitored database as its data repository (in the SYSMAN schema). Grid Control also requires a repository, but you are allowed to install a separate database, without additional licensing fees, to serve as the repository for Grid Control so long as you don't use it for anything else (other than as an RMAN recovery catalog). If you don't want to install another database to serve Grid/Cloud Control, you can use an existing database, but it's generally not recommended.
    Neither Database Control nor Grid/Cloud Control will function without a repository. Either of them will allow you to set up alert notifications when tablespace(s) exceed your configured thresholds, or when various other events occur (DB shuts down, filesystem getting full, CPU load too high, too many sessions, whatever you like).
    The term "Grid" is used in "Oracle Grid Infrastructure", which is part of the clustering package that supports RAC. "Grid" is just a marketing term there, RAC and Grid Control are orthogonal concepts, neither requires the other but they can also be used together.
    I can't comment on the books.

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