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HITACHI DATA SYSTEMS CERTIFIED EXPERT – REPLICATION SOLUTIONS ARCHITECT Questions and Answers

Question 1

A customer is using Hitachi Universal Replicator to continuously replicate a database's data and log volumes.

Which two statements describe what will happen? (Choose two.)

Options:

A.

A database checkpoint will be created upon failover.

B.

At recovery time, the database will reconcile logs and transactions.

C.

In the case of a planned outage, log volumes may not include all transactions.

D.

In the case of an unplanned outage, log volumes may not include all transactions.

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Question 2

A customer is using ShadowImage (SI) on a Virtual Storage Platform (VSP) for a point-in-time copy. The SI P-Vol resides in a SAS HDP pool and the SI S-Vol resides in a SATA HDP pool. During resychronization, the VSP cache write pending hits 60 percent utilization in CLPRO.

What are two ways to reduce the resynchronization impact on host performance? (Choose two.)

Options:

A.

Put the SI S-Vols in a separate CLPR.

B.

Keep the SI pairs in PAIR state.

C.

Run an SI quick split.

D.

Run an SI resync during non-peak hours.

Question 3

A customer has experienced a disaster and has failed over to their Hitachi Universal Replicator copies at the secondary site. They have acquired new servers and storage for their production facility and they are ready to return operations to the production facility as quickly as possible.

Which two fallback procedures apply? (Choose two.)

Options:

A.

Order devices in the HORCM file from the lowest change rate to the highest change rate.

B.

Replication pairs can be suspended to allow changed tracks to be managed using the bitmap.

C.

Perform the initial copy with the -nocopy option to allow operations to resume immediately.

D.

Initial copy is required from the recovery site back to the production site.