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Author Archives: mardaff

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How to make available a different agent platform on EM13c

Suppose you have only AIX platform available on your EM13c and you want to deploy agents on Linux servers. This is what one needs to do: Step 1: Check the available platforms on OMS: Step 2: Login on EM13c GUI and follow the path:Setup -> Extensibility -> Self Update Step 3: Go to Agent Software…

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May 28, 2020mardaffUncategorized

How to make available a different agent platform on EM13c

Suppose you have only AIX platform available on your EM13c and you want to deploy agents on Linux servers. This is what one needs to do: Step 1: Check the available platforms on OMS: Step 2: Login on EM13c GUI and follow the path:Setup -> Extensibility -> Self Update Step 3: Go to Agent Software…

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May 28, 2020mardaffEM13c, OEMagent, AIX, emcli, get_supported_platforms, import_update, Linux, p30812864_112000_Generic.zip

How to deinstall an ORACLE_HOME from inventory

May 2, 2020mardaffDatabasedeinstall, inventory, oracle_home

How to drop EM13c repository – the nice way

If you want to cleanup your EM13c installation, you would like to drop EM repository information as well. This is the way to do it: Have fun!

April 23, 2020mardaffEM13cRepManager, repository

ORA-16623: member detected role change

Playing with dataguard failover scenarios I bumped into this error: That’s due to inconsistent information within the broker files from both servers. To fix this, we can do this:

April 12, 2020mardaffDatabase, DataguardDGMGRL, ORA-16623, ORA-16623: member detected role change

TNS-12564: TNS:connection refused while reinstating a failed database

One of the reasons for getting this error might be that the sqlnet.ora does not contain the proper settings like in this particular case: As you can see there is nothing set in sqlnet.ora. Therefor when I was trying to reinstate a former PRIMARY as STANDBY, I was seeing in alert log of the reinstated…

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April 12, 2020mardaffDatabase, DataguardDGMGRL, TNS-12564, TNS:connection refused

13.4: Installing OMS to 13.4 Fails With Error: Check if all adaptive features parameters are unset

I was trying to install EM13 v4 and I got the following error: I’m using Oracle 19c as repository database. The solution for this is: And restart the database 🙂

April 4, 2020mardaffEM13c, OEMadaptive features, EM13.4

How to attach a iscsi to a Virtualbox VM

I got a freenas server where I’m putting all my VMs and I wanted this time to use a ISCSI share to perform the OS installation. This is how I discover my ISCSI targets: I have created a VM on Virtualbox but I haven’t created any disks.The following command will attache a ISCSI target to…

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March 29, 2020mardaffVirtualboxiscsi, storageattach

ORA-02304: invalid object identifier literal while executing IMPDP

While cloning a schema within the same database, I encountered the following exception: While I was interested in importing only table data, I have created the following PARFILE: And the execution was looking like this: This is happening due to the fact that when executing the import, the impdp is trying to create those objects…

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February 25, 2020mardaffUncategorized

ORA-02304: invalid object identifier literal while executing IMPDP

While cloning a schema within the same database, I encountered the following exception: While I was interested in importing only table data, I have created the following PARFILE: And the execution was looking like this: This is happening due to the fact that when executing the import, the impdp is trying to create those objects…

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February 25, 2020mardaffclone, Import&Export, Oracleimpdp, ORA-02304, ORA-39083
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