Common questions

What is the difference between Exadata and Exalogic?

What is the difference between Exadata and Exalogic?

An Exadata is a database machine. The exalogic on the other hand is an application machine. It runs Linux and middleware software. The machine also comes with some cloud software to enable on demand virtualization and provisioning.

What is half rack Exadata?

Quarter and Eighth rack comes with 2 DB Nodes and 3 Storage Nodes. Half Rack comes with 4 DB nodes and 7 Storage Nodes. Full Rack comes with 8 DB nodes and 14 Storage Nodes. Third Component is InfiniBand.

What are the components of Exadata?

The major components of an Exadata Cloud Service include:

  • Database Servers.
  • Storage Servers.
  • InfiniBand.
  • Networks.
  • Oracle Management Console.

What is Exadata hardware?

Exadata is a combined hardware and software platform that includes scale-out Intel x86-64 compute and storage servers, RoCE or InfiniBand networking, persistent memory (PMEM), NVMe flash, and specialized software.

How many cores is exadata half rack?

X3-2 Half Rack – Four database servers each with 2 8-core Xeon processors and 256 GB of RAM, seven storage servers, 84 disk drives, spine switch for expansion.

What is the difference between a 1/8th rack and a 1/4 rack?

What’s the different between an eighth rack and a quarter rack. X5-2 Eighth Rack and X5-2 Quarter rack have the same hardware and look exactly the same. The only difference is that only half of the compute power and storage space on an eighth rack is usable.

What are the 3 major software components of the Exadata Storage Server?

Components include integrated lights-out management (ILOM) controllers inside database and storage servers, a management-specific network switch, and network-accessible power distribution units. These components are designed to allow data access even when other components are inaccessible.

How do I find my Exadata hardware model?

Login to the exadata compute node 1 and navigate to the following directory. and you will get the below output detailing about the exadata model you are just playing with. In above output you would see that our current Exadata Database Machine Model is X3-2 Half Rack High Capacity with 3TB size of each HDD.

What is the advantage of Exadata?

Exadata increases employee productivity and helps grow revenues with less cost and complexity vs traditional approaches. Performance up to 100 times faster, lets customers possibility to access data more easily, and engage with customers more quickly.

What are the features of Oracle Exadata X2-2?

ORACLE EXADATA MACHINE X2-2. FEATURES AND FACTS FEATURES. • Up to 96 CPU cores and 1,152 GB memory for database processing. • Up to 168 CPU cores dedicated to SQL processing in storage. • From 2 to 8 database servers. • a completeFrom 3 to 14 Oracle Exadata Storage Servers. • Up to 5.3 TB of Exadata Smart Flash Cache.

What are the specifications of Exadata x6-2 storage servers?

3 Exadata X6-2 storage servers. Each server has 2 x 10-core processors, each with 5 cores enabled. High Capacity (HC) storage servers have 2 PCI flash cards, each with 3.2 TB (raw) Smart Flash Cache and 6 x 8 TB 7,200 RPM high capacity disks. Extreme Flash (EF) storage servers have 4 enabled PCI flash drives, each with 3.2 TB (raw) storage.

What Exadata database sizes are available?

Four sizes of the Exadata Database Machine X3-2 are available, from the Eighth torage Servers, to the Full Rack system with 8 database servers and 14 Exadata Storage Servers. One size can be upgraded to another online ensuring a smooth upgrade path as database requirements grow.

What is Exadata configuration and how does it work?

The Exadata configuration carefully balances CPU, I/O and network throughput to avoid bottlenecks. As an Exadata Database Machine grows, database CPUs, storage, and networking are added in a balanced fashion ensuring scalability without bottlenecks.