Precautions for modifying the operating system on the Oracle Database Server

Source: Internet
Author: User

Precautions for modifying the operating system on the Oracle Database Server

Precautions for modifying the operating system on the Oracle database server:

For standalone or ha
1. There is no impact on the database itself. Because scn does not depend on OS time
2. For apps, if sysdate is used in the app, it does have an impact.
Based on this situation, we generally recommend that you change the OS time in the future instead of the previous time.

 

For rac
1. There is an impact on the database itself, because CRS requires the node OS time to be synchronized, otherwise it may cause node eviction.
2. For apps, if sysdate is used in the app, it does have an impact.
Based on this situation, we generally recommend that you change the OS time in the future instead of the previous time.

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