Linux, Oracle, Single Instance

Step by Step Installation of Oracle 19c binaries in linux 7.7

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In this Article you will se how to install oracle 19cbinaries

Step 1 :
Disable firewall and selinux:
first check the status of firewalld status weather is active or not:

[root@localhost /]# systemctl status firewalld
● firewalld.service – firewalld – dynamic firewall daemon
Loaded: loaded (/usr/lib/systemd/system/firewalld.service; enabled; vendor preset: enabled)
Active: active (running) since Mon 2021-05-03 01:47:30 IST; 4h 12min ago
Docs: man:firewalld(1)
Main PID: 957 (firewalld)
Tasks: 2
CGroup: /system.slice/firewalld.service
└─957 /usr/bin/python2 … Read more

Database Administration, Grid Infrastructure, Linux, node, Oracle, Patching, Single Instance

Upgrade Grid Infrastructure 12c To 19c Oracle

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The latest oracle version is oracle 19C . In the below article we will explain the steps for upgrading grid infrastructure to 19c from oracle 12c . The upgrade will be done in rolling mode.

Current configuration – >

No of nodes  – 2 node
current version – 12.1.0.2
os platform – Linux
grid owner – oracle

Check software version :
oracle@node1~$ crsctl query crs activeversion
Oracle Clusterware active version on the cluster is [12.1.0.2.0]

oracle@node2~$ crsctl query crs softwareversion
Oracle Clusterware version on node node1 is [12.1.0.2.0]

2. Download the software and unzip on your first … Read more

Database Administration, Linux, Oracle, Single Instance

How to Configuration GRID/ASM for single instance using UDEV

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Configuration GRID/ASM for single instance using UDEV

UDEV Linux configuration:

What I’m preparing in the background is a RAC installation using two virtual machine running under VirtualBox. For this I have attached to my first virtual machine four fixed size of 1GB disks like this

 

To attach those disks in another virtual machine go to Virtual Media Manager and change their property to shareable like this

udev02

Once you start your guest OS you should see something:

[root@localhost ~]# fdisk -l
.
.
.
Disk /dev/sdb: 1073 MB, 1073741824 bytes, 2097152 sectors
Units = sectors of 1 * 512 = 5
… Read more