Thinking Out Loud

May 6, 2024

CONFIDENCE

Filed under: Uncategorized — mdinh @ 1:21 am

Cleaning emails from a decade ago to find what I used to have as part of signature.

Confidence comes not from always being right but from not fearing to be wrong – Peter T Mcintyre

Great minds discuss ideas; average minds discuss events; small minds discuss people – Eleanor Roosevelt

May 4, 2024

BELIEVE

Filed under: Uncategorized — mdinh @ 3:27 am

If I told you that I am timid, then would you believe me?

I was asked, “If you don’t believe in yourself, then who will?”

I was told by a dear departed friend, Jerry Roberts, to tell yourself, “Every day in every way, I get better and better.”

I was once complimented, “There is a fine line between confidence and cockiness and you walk that line well.”

Believe in yourself and the best you can be.

FUN

Filed under: Uncategorized — mdinh @ 12:15 am

May 2, 2024

Leadership

Filed under: Uncategorized — mdinh @ 9:20 pm

Good leadership is when people do things because they want to versus have to.

Recently, I was given a position as team lead and it seems I have fallen in the second position (have vs want).

Wondering if I need to make someone cry? Here’s the story for that.

I was promoted to lead at a young age at Puritan Bennet.

The company had 2 strikes with FDA.

Current team lead has made me aware of my short fuse.

First day as a lead, a manager tells me “One of your team member is crying in the corner.”

CRAP! I went to see her and ask what I did wrong.

I was not scolding nor yelling but rather spoke in a calm voice. She then tells me, “I can see the anger in your eyes.”

Thank God for remote work.

They are the best!

What is Success?

Filed under: Uncategorized — mdinh @ 4:39 am

To laugh often and much;

To win the respect of intelligent people and the affection of children;

To earn the appreciation of honest critics and endure the betrayal of false friends;

To appreciate beauty;

To find the best in others;

To leave the world a bit better, whether by a healthy child, a garden patch or a redeemed social condition;

To know even one life has breathed easier because you have lived;

This is to have succeeded.

– Ralph Waldo Emerson

I actually have this in my photo album from decades ago.

April 20, 2024

IF

Filed under: Uncategorized — mdinh @ 1:14 pm

Oracle Is Guilty Until Proven Innocent

Filed under: Uncategorized — mdinh @ 3:26 am

Received email from Technical Lead | Senior Manager for the following errors.

Error Description: 0: Invalid pool name ‘oraclePool’ while getting a database connection.
Please check for consistency of the properties files or BPML
Time of Event: 20240419141429
Workflow Id: 88867

First inclination is to check Oracle database parameters (sessions and processes) which wasted time on a wild goose chase.

I am by no mean an expert but Google is your friend.

SI fails to startup with error: “Invalid pool name ‘NewPool_oraclePool’ while getting a database connection. Please check for consistency of the properties files or BPML” (SCI91968)

It puzzle me how a Technical Lead | Senior Manager does not know how to Google.

LMGTFY – Let Me Google That For You for all those people who find it more convenient to bother you with their question rather than to Google it for themselves.

April 15, 2024

Oracle OEM Read Only Access

Filed under: Cloud Control,Grid Control — mdinh @ 1:47 am

With great power comes great responsibility.

Reference: https://en.wikipedia.org/wiki/With_great_power_comes_great_responsibility

On boarding 4 Database Consultants and they have request access to OEM. Sharing SYSMAN password with every DBA is not a good idea and also difficult to determined who messed up.

Here are 2 articles and I favor Doc ID 2180307.1 based on last update and contains screenshots.

OEM 13c How To Create an Administrator with Read Only Access (Doc ID 2925232.1)
Enterprise Manager Base Platform – Version 13.4.0.0.0 and later
Last Update: Feb 1, 2023

EM 13c : How to Create an EM Administrator with Read Only Access to the Performance Pages of a Database Target? (Doc ID 2180307.1)
Enterprise Manager for Oracle Database – Version 13.1.1.0.0 and later
Last Update: May 9, 2023

Would have been nice to have emcli script to do this but beggars cannot be choosers.

April 11, 2024

Zero-Sum Game

Filed under: 11g,12c,linux,oracle — mdinh @ 12:11 pm

Zero-sum is a situation, often cited in game theory, in which one person’s gain is equivalent to another’s loss, so the net change in wealth or benefit is zero.

A zero-sum game may have as few as two players or as many as millions of participants.

Reference: Zero-Sum Game Definition in Finance, With Example

This is what the database team is facing because system team is upgrading operating system to Red Hat Enterprise Linux 7 which will reach its end of life on June 30, 2024 (2 months later).

Here are some Oracle Docs with may be helpful.

IMPORTANT: Need to relink GI and DB

There is one step missing and do you know what it is? Keep in mind, not all environments are the same.

How To Relink The Oracle Grid Infrastructure Standalone (Restart) Installation Or
Oracle Grid InfrastructureRAC/ClusterInstallation (11.2 to 21c).
Doc ID 1536057.1

Relinking Oracle Home FAQ ( Frequently Asked Questions)
Doc ID 1467060.1

Executing “relink all” resets permission of extjob, jssu, oradism, externaljob.ora
Oracle Database – Enterprise Edition – Version 10.2.0.3 and later
Doc ID 1555453.1

April 6, 2024

The Best vs. The Rest

Filed under: Uncategorized — mdinh @ 2:53 pm
I was looking how to start and title blog post and found great read above.

CAUTION: whine being served next.

Currently, Oracle database version 11.2.0.4 is running on RHEL 6.10 and database version 12.1.0.2 is running on RHEL 6.10, 7.1, 7.5.

System administrators decides to upgrade OS to RHEL 7.9 which will be EOL.

Basically, ZERO sum gain.

In addition, there are plans to migrate away from Oracle RDBMS and to Non-Oracle cloud.

I am not the sharpest tool in the shed, but isn’t this like putting lipstick on the pig before the pig get slaughter?

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