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Downgrade 19c Grid to 12.2 in an Oracle RAC environment.
I have upgraded my 2 node RAC to 19.8 from 12.2 using GUI Method. But I want to create a blog post of upgrade using silent method. So, I...

Sudipta Bhaskar
Apr 28, 202111 min read
1,302 views
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Softwarepatch level different in RAC nodes after GI PSU apply
crsctl query crs softwarepatch showing different output in different nodes. [oracle@OEL7N1 ~]$ crsctl query crs softwarepatch Oracle...

Sudipta Bhaskar
Apr 27, 202112 min read
1,154 views
1 comment
Apr 21 PSU fails "oracle.opatch.opatchsdk.OPatchException: Re-link fails on target "install_srvm"
While applying 12.2 Apr 21 PSU (12.2.0.1.210420), it fails with "Failed during Patching: oracle.opatch.opatchsdk.OPatchException: Re-link...

Sudipta Bhaskar
Apr 26, 202123 min read
1,124 views
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Apr 21 12.2 GI PSU fails with "OPATCHAUTO-72141: Grid is installed only on a single node"
I have recently faced this issue. While patching my newly built 12.2 RAC in rolling mode using opatchauto, it fails with following error....

Sudipta Bhaskar
Apr 22, 20211 min read
156 views
0 comments


Create Amazon RDS PostgreSQL and Connect using psql and pgadmin
Login to Amazon AWS Console and Open Amazon RDS Section Follow the following steps to create a RDS PostgreSQL Database Click on Create...

Sudipta Bhaskar
Apr 14, 20211 min read
40 views
0 comments


Install PostgreSQL 13 using yum/dnf in redhat linux 8
This post will explain the installation process of PostgreSQL 13 in redhat linux 8 We are following the yum/dnf method of installation...

Sudipta Bhaskar
Apr 4, 20213 min read
903 views
0 comments