Tag Archives: oracle

The ASM ora-04031 error, better known as: Adding more disks to an ASM Instance than there is memory..

To accommodate a change of strategy  I needed to add an additional 20 disks to the current ASM instance I had running..This needed to be done in the shortest time possible, and when the Storage and Linux Admin where done, … Continue reading

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Oracle OEM 13c Metric Collection Error..Or..”Show Me The Graphs!”

When implementing the OEM 13C version, we have a server where we house about 16 databases. Adding the first bunch of the databases went like a breeze, but when all was said and done, we had 3 databases which didn’t … Continue reading

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Configure NetBackup For Oracle RAC..Or..”Back Me Up!”

When configuring Netbackup to backup a RAC database, we ran into the following error: 1/29/2016 3:28:02 PM – Info bphdb(pid=2717) INF – Database status is: SHUTDOWN 1/29/2016 3:28:02 PM – Info bphdb(pid=2717) INF – Database open mode is: NOT MOUNTED … Continue reading

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Database Fails To Start With Large Amounts Of Huge Pages Available..Or..”Where Did I Lost My Mind..”

When configuring HugePages for a database, it kept refusing to startup (since the parameter large pages=’only’ was set). There were more than enough HugePages free, as shown below: $ cat /proc/meminfo |grep -i huge HugePages_Total: 33040 HugePages_Free:  14127 HugePages_Rsvd:   1569 … Continue reading

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Building A Single Instance Physical Standby For A RAC Primary…Or..Active Dataguard, Save My (Daily) Data!

Today we are going to embark on the adventure of building an Active DataGuard database (the “standby”) with a two-node RAC as the source (the “primary”). There are countless other blogs out there with information regarding these kind of implementations … Continue reading

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OEM 12c how to deploy an agent to a linux host..like: “Really? It DOES work?”

This day I was playing around in OEM 12c again, and decided to look for trouble and install an agent to a target already running a very non critical db. This looked to me the ideal candidate to have an … Continue reading

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OEM 12c startpage throws an 404 Error…or better said: where did my homepage go?

When I left the OEM 12c installation after a couple of days nicely humming along, I was even thinking we were friends!, this morning when I wanted to get to know my new found friend better, the OMS landing page … Continue reading

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