This post is the fourth in a Multi-Part Video Series on “Oracle Exadata Cloud Service for DBAs & APPS DBAs“. In this post, I’ll be discussing the Exadata Cloud Service (ExaCS) Offerings which are Quarter Rack, Half Rack and Full Rack shapes of Exadata and X6, X7 models of Exadata.
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Shape of Exadata Cloud Service
The hardware of the Exadata that the client chooses refers to the shape of ExaCS. Oracle ExaCS is available in four shapes:
- Quarter Rack
- Half Rack
- Full Rack
- Base
Quarter Rack
Oracle Exadata Quarter Rack consists of 2 Database Servers and 3 Storage Servers. It contains up to 92 CPUs in all the Database Servers combined with RAM up to 1440 GB. The Flash Raw Storage and Usable Disk Storage are up to 76.8 TB and 106.9 TB respectively.
Note: The configuration of CPUs, memory and storage depends on the model i.e X6 and X7.
Half Rack
Oracle Exadata Half Rack consists of 4 Database Servers and 6 Storage Servers. It contains up to 184 CPUs with RAM up to 2880 GB. The Flash Raw Storage and Usable Disk Storage are up to 153.6 TB and 213.8 TB respectively.
Full Rack
Oracle Exadata Full Rack consists of 8 Database Servers and 12 Storage Servers. It contains up to 368 CPUs with RAM up to 1440 GB. The Flash Raw Storage and Usable Disk Storage are up to 307.2 TB and 427.6 TB respectively.
Base
The newly launched Oracle Exadata Base is similar to Quarter Rack configuration as it contains 2 Database Servers and 3 Storage Servers. However, there are less number of CPUs available. The Base can contain up to 48 CPUs and has a lower configuration of memory and storage as compared to Quarter Rack. (Consider it equivalent to 1/8th of a Full Rack)
Note: One cannot switch from one shape to another, directly. Although migration options such as Data Guard and Backup & Restore can be used to switch the shape of the Exadata.
Models of Exadata
There are two most common hardware machines or models of Oracle ExaCS, as of June 2019, are:
- X6
- X7
X6
For Exadata On-Cloud, Exadata X6 machine is available for all configurations with the following specifications:
X7
X7 is the latest version of Exadata available for Exadata Cloud. It offers much higher memory and storage capacity in comparison to X6.
Note: In June 2019, Oracle launched the Exadata X8 machine for Exadata On-Premise and the same shall soon be available for Exadata On-Cloud as well.
Related/References
- Check out the Overview of Oracle Exadata Cloud Service
- Read about Oracle Exadata Cloud Service Architecture
- Learn more about Oracle Exadata Deployment Options
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The post [Video] Oracle Exadata Cloud Service(ExaCS) Offerings appeared first on Oracle Trainings.