Ed Chen Logic - To Make My Logic More Logical

Oracle Grid Infrastructure 19c Installation - INS-32123

How to Resolve INS-32123 Execution of 'GI Install' script fail on nodes

by Ed Chen
April 17, 2021March 23, 2021

There're many reasons to cause this error INS-32123 during the execution of root.sh in middle of grid infrastructure installation. In this post, only one error… Read More »

How to Resolve PRVG-1017 and Configure NTP in AIX

by Ed Chen
April 14, 2021March 23, 2021

PRVG-1017 Found error PRVG-1017 when performed a pre-installation check of grid infrastructure 19c in AIX. [grid@primary01 /home/grid]$ cd $ORACLE_HOME [grid@primary01 /u01/app/19.0.0/grid]$ ./runcluvfy.sh stage -pre crsinst… Read More »

How to Resolve PRVG-1359 : Daemon process "avahi-daemon" is configured on node

by Ed Chen
April 10, 2021February 18, 2021

PRVG-1359 and PRVG-1360 Found errors PRVG-1359 and PRVG-1360 during pre-installation of Oracle RAC database 19c: [grid@primary01 grid]$ ./runcluvfy.sh stage -pre crsinst -n primary01,primary02 -verbose ...… Read More »

How to Resolve PRVG-1017 : NTP configuration file "/etc/chrony.conf" is present on nodes on which NTP daemon or service was not running

by Ed Chen
April 7, 2021February 18, 2021

PRVG-1017 Found PRVG-1017 which is related to time synchronization during pre-installation of Oracle RAC database 19c: [grid@primary01 ~]$ cd $ORACLE_HOME [grid@primary01 grid]$ ./runcluvfy.sh stage -pre… Read More »

How to Upgrade Enterprise Linux from 7.x to 7.9

by Ed Chen
April 3, 2021February 15, 2021

Upgrading from Enterprise Linux 7.x (EL7) to the latest release 7.9 within a major version could be easy as long as the yum repository is… Read More »

How to Resolve PRVG-2048 : no response for name from the DNS server

by Ed Chen
March 31, 2021April 11, 2021

PRVG-2048 Saw PRVG-2048 when I verify the RAC environment by runcluvfy.sh before actually installing grid infrastructure. [grid@primary01 ~]$ cd $ORACLE_HOME [grid@primary01 grid]$ ./runcluvfy.sh stage -pre… Read More »

How to Resolve PRVG-13606 : chrony daemon is not synchronized with any external

by Ed Chen
March 27, 2021March 28, 2021

PRVG-13606 Saw PRVG-13606 when I verify the RAC environment by runcluvfy.sh before actually installing grid infrastructure. [grid@primary01 ~]$ cd $ORACLE_HOME [grid@primary01 grid]$ ./runcluvfy.sh stage -pre… Read More »

How to Resolve OPATCHAUTO-72030: Cannot execute in rolling mode, as CRS home is shared

by Ed Chen
March 24, 2021March 28, 2021

OPATCHAUTO-72030 When I patched grid infra (GI) and oracle home (OH) of an Oracle RAC database by opatchauto, I got OPATCHAUTO-72030: Cannot execute in rolling… Read More »

How to Resolve ORA-12505: TNS:listener does not currently know of SID given in connect

by Ed Chen
March 20, 2021April 11, 2021

ORA-12505 Before migrating to a multitenant database environment, some users use SID to connect to the source database. The connect identifier may look like this:… Read More »

How to Backup PDB Tablespace

by Ed Chen
March 17, 2021February 1, 2021

Backup Tablespace Normally Since tablespace is a logical set of data files, it's allowable to have same name tablespaces in different pluggable databases (PDB). Therefore,… Read More »