Hi,

Anyone know how to calculate following things?

=================================================================================
Q: 165 An application uses ten 10 GB Devices. A pointer based replica of the
application is required. The replica will be kept for 24 hours. The data 
changes by 20% every 24 hours.
How much storage should be allocated for the replication?

Answer:-  20 GB

An application uses ten 20 GB devices. A full volume replica of the application 
is required. The
replica will be kept for 24 hours and the data changes by 20% every 24 hours. 
How much storage
should be allocated for the replication?


Answer:- 40 GB

===================================================================================

Q: 19 An application uses ten 9 GB devices. A full volume local replica of the
application is required every 6 hours. Each replica will be kept for 24 hours. 
How many replica devices are required?

Answer:- 40


Q: 89 An application uses ten 9 GB Devices. A pointer based replica of the
application is required every 4 hours. Each replica will be kept for 24 hours. 
The data changes by 10% every 4 hours.How many replica devices are required?


Answer:- 60

=================================================================================

Regards,

Moin Mansuri


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