Oracle “Redo log Groups addition/deletion” | Karan Rajpoot

                      Oracle “Redo log Groups addition/deletion”

In this article, You will get to know the step by step process of Oracle “Redo log Groups addition/deletion”

Step 1) To add redo log group first we will check the log groups, members details, location, and size.
Example: –
log groups and member details
From the above output, we can see we have 3 groups and inside every group, we have 1 member each of size 50 MB and the location is /u01/app/oracle/oradata/karan/
Step 2) Now we will add one group and check the status of that group.
Example: –
Now again we can check the details of log groups and member.
Now the 4th group and a member of 50 MB has been added successfully.
Step 3) Now I will add one more member to the 4th log group.
Example: –
alter member to latest group
Status of latest alter member
We can see from the above output that in group 4, now 2 members are there.
Steps to drop the latest added group and member
Note: – We cannot drop CURRENT members as shown in the above output, So I will add a new member in group 3 and then I will drop that member.
Step 1) Addition of new member from group 3.
Example: –
Addition of member from group 3
We can see I have added a new member in group 3. Now I can drop that member because its status is INACTIVE
Step 2) Deletion of a new member from group 3.
Example: –
Deletion of member from group
Note: – We can see our latest added member has been dropped from group 3.
Step 3) Now I will drop group 3 as well.
Example: –
Dropped Group 3
Note: – We can see that I have dropped group 3 as well.

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