1z0-499 Exam Dumps | Which three technologies make it possible for Oracle ZFS Appliance to improve backup and restore rates

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Oracle.1z0-499.v2019-01-09.q36
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Question 28/36

Which three technologies make it possible for Oracle ZFS Appliance to improve backup and restore rates for an Oracle Exadata Database Machine?

A. storage domains

B. hybrid storage pools

C. Quality of Service (QoS) Plus

D. RMAN integration

E. InfiniBand support

Correct Answer: B,D,E

Explanation/Reference:
Explanation:
High performance is an important consideration when choosing a solution to protect an Oracle Exadata Database Machine. The following technologies make it possible for the Oracle ZFS Storage Appliance to achieve these backup and restore rates:
(B) Hybrid Storage Pools - Oracle introduces an innovative Hybrid Storage Pool (HSP) architecture

that utilizes dynamic storage tiers across memory, flash, and disk. The effective use of direct random access memory (DRAM) and enterprise-class software specifically engineered for multilevel storage is a key component that facilitates the superior performance of the Oracle ZFS Storage Appliance.

(D) RMAN Integration - Oracle Recovery Manager (RMAN) is a highly parallelized application that

resides within the Oracle Database and optimizes backup and recovery operations. The Oracle ZFS Storage Appliance is designed to integrate with RMAN by utilizing up to 2000 concurrent threads that will distribute I/O across many channels spread across multiple controllers. This improves performance dramatically with sequential large-block streaming I/O workloads that are typical for most backup and restore situations.
(E) InfiniBand Support - The Oracle ZFS Storage Appliance can be configured with a highly redundant

and scalable InfiniBand architecture. This allows for a seamless integration with the Oracle Exadata Database Machine and provides a high-bandwidth low-latency I/O path that generates relatively little CPU overhead.
One MB Record Sizes.

Oracle Direct NFS

References: http://www.oracle.com/technetwork/server-storage/sun-unified-storage/documentation/ exadata-backup-zfssa-0715-2620351.pdf, page 5

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