DBA to DA

In this short blog I am going to tell about on how to list all targets monitored by EM or filter specific targets emcli list -r...

I was getting a lot of error messages/incidents and alerts stating 'Internal error detected: oracle.sysman.gcagent.task.TaskZombieExcep...

User Logged on can be really pain as it makes a lot of noise, It is one of the collected metrics without any threshold and will generate a ...

In this blog I will be telling you how to install Oracle 19c RAC in Silent Mode.  Remember the key thing with RAC is that it requires a lo...

In this blog I discuss an error in installation of 18c RAC (or any), when you try to re-install 18c RAC due to any reason or probably deins...

On a weekly basis, I was getting emails (after patching to release 18) that Diagnostic Package.  I then checked with Oracle about this an...

In this blog I am going to talk about issue I faced during patching of a RAC cluster - GI HOME I have a 3 node cluster which I was trying ...

If you are facing a lot of issues with Agent crashing in EM 12c/13C then probably you are running out of memory.  An issue which is promi...

In this blog I am going to discuss an error message which you might get when dropping individual alerts via dbmcli or cellcli in Exadata ...

When you check status of database using dgmgrl and you get the error message in alert log -  'Process RSM0, PID = 1524144984, will be ...