How does Delta Set Extension help in an SRDF/A deployment?
A.
Absorbs bursts of host writes
B.
Improves response time
C.
Reduces RPO
D.
Reduces the amount of required cache
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Should be D.
As this feature extends the cache space available for an SRDF/A
session by off-loading some or all of its cycle data from cache to preconfigured disk
storage, or pools, which are similar to SAVE device pools.
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Delta Set itself is Cache so it required additional chache resources
Whenever we have a burst of writes that exceeds normal cycle size in SRDF/A, the remaining data gets stored in Delta set extention.
So, option-1 seems to be correct.
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