What would the RPO be in an SRDF/AR Single hop configuration?
A.
one cycle
B.
two cycles
C.
four cycles
D.
eight cycles
Explanation:
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B is the correct answer
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it should be A.
The copy path for a single-hop configuration is from the local R1/BCV pair (1) to the SRDF pair (2) to
the remote BCV pair (3). The remotely associated BCV holds the DBMS restartable copy. The
amount of data loss is a function of the replication cycle time (period of time between the start of one
copy cycle and the start of another copy cycle). Copy cycle time is affected by distance, bandwidth,
I/O update rate, and locality of reference for the updates. Update rate and locality of reference tend to
equate to changed tracks. The maximum data loss would be one copy cycle, thus makes the RPO ~
One Cycle Time.
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B:
The maximum data loss would be one copy cycle, this makes the RPO~ Twice the Cycle Time.
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