## Check Cluster Resources Where Target != State

Current version.

[oracle@racnode-dc2-1 patch]$cat /etc/oratab #Backup file is /u01/app/12.2.0.1/grid/srvm/admin/oratab.bak.racnode-dc2-1 line added by Agent -MGMTDB:/u01/app/12.2.0.1/grid:N hawk1:/u01/app/oracle/12.2.0.1/db1:N +ASM1:/u01/app/12.2.0.1/grid:N # line added by Agent [oracle@racnode-dc2-1 patch]$


Kill database instance process.

[oracle@racnode-dc2-1 patch]$ps -ef|grep pmon oracle 13542 1 0 16:09 ? 00:00:00 asm_pmon_+ASM1 oracle 27663 1 0 16:39 ? 00:00:00 ora_pmon_hawk1 oracle 29401 18930 0 16:40 pts/0 00:00:00 grep --color=auto pmon [oracle@racnode-dc2-1 patch]$


Have (more...)

## Oracle SOA Suite 11g tuning tips for Oracle RAC database 11.2

During my project work I had to tune the SOA dehydration store on more than one occasion. Through this posting I would like to share the tuning tips collected during these exercises. It is not a step-by-step guide, because with tuning there never is a 'one-size-fits-all' in my humble opinion, but I provide in general a guidance that you can use as a reference for your own situation. I will also refer to related Oracle (more...)

## MGMTDB: Grid Infrastructure Management Repository

Original Post can be viewed at MGMTDB: Grid Infrastructure Management Repository

MGMTDB is new database instance which is used for storing Cluster Health Monitor (CHM) data. In 11g this was being stored in berkley database but starting Oracle database 12c it is configured as  Oracle Database Instance. In 11g, .bdb files (more...)

## Build an 11gR2 RAC cluster in VirtualBox in 1 Hour using OVM templates

[I originally posted this over at the Pythian blog. If you're not following it, you should! Way more content, by far smarter people than lil ol' me.]

After reviewing my blog post about running EBS OVM templates in VirtualBox, two of my teammates suggested that I work on something with potentially broader appeal. Their basic message was, "This is really cool for us EBS nerds, but what about the Core DBAs?"

So how does "11gR2 RAC in an hour" sound? In this post, I'll demonstrate how to deploy the pre-built Oracle VM templates to create a two-node (more...)

## SQL Monitor details for later tuning.

Tuning has always being good fun and something like a challenge for me.

From time to time we are being asked to find out why something did run slow while you are sleeping; answering this question is, in most cases, a challenge.

The problem:

My batch did run slow last night, can you let us know why? Or why did this query run slow? Are questions we, as DBAs, have to answer from time to (more...)