Oracle Grid Infrastructure and Oracle Database Installation: System Requirements

Memory requirements:
1 GB for the database instance with Oracle Enterprise Manager Database Control
1.5 GB for the ASM instance and Oracle Restart

Disk space requirements:
3 GB of swap space (based on 2 GB RAM)
1 GB of disk space in the /tmp directory
3.8 GB for the Oracle Database software
4.5 GB for the Grid Infrastructure software
1.7 GB for the preconfigured database (optional)
3.4 GB for the fast recovery area (optional)

Operating system (see documentation)

Preparing the Operating System
Create the required operating system users and groups:
Groups:
oinstall
dba

Optional groups (if doing separation of duty across multiple users):
oper
asmdba
asmoper
asmadmin

Users:
Software owner, usually oracle
Can create multiple users for multiple product installations

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