A customer is planning a new database rollout using Oracle and wants to perform online backups.
Initial tests with EMC NetWorker have shown that the backups cannot be completed within the
backup window of six hours.
You have analyzed the backup environment and there are adequate resources to meet this
backup window. What is one of the first things to check in NetWorker or RMAN to increase
performance without adding cost and complexity?
A.
Number of streams should match the number of target devices to be written to concurrently
B.
All large system tables are excluded from the daily backups
C.
RMAN multiplexing setting is equal to NetWorker multiplexing
D.
Maximum number of files in a saveset is greater than the maximum number of open files
Correct answer A: Number of streams should match the number of target devices to be written to concurrently.
Exp:-
RMAN multiplexing should not be confused with tape multiplexing which is not recommended for Oracle backups.
When configuring stream count, match the number of streams to the number of target devices that you want to write to concurrently.
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