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Hitachi HITACHI DATA SYSTEMS QUALIFIED PROFESSIONAL - STORAGE ADMINISTRATION Sample Questions:

1. A customer has identified a performance bottleneck with Online Transaction Processing (OLTP) production host LUNs. The performance improvement plan includes a change to the Hitachi Dynamic Link Manager load balancing algorithm which is currently set to Round Robin. Which setting should the customer use?

A) Extended Round Robin
B) Least I/O
C) Extended Least block
D) Least block

2. A storage administrator managing a Hitachi Device Manager (HDvM) environment has used Hitachi Storage Navigator Modular to create a LUN on an HUS110 system. What should be done next for this change to be reflected within HDvM?

A) Perform a LUN refresh.
B) Perform a subsystem refresh.
C) Perform a host refresh.
D) Execute the save function.

3. Which three storage operations are performed with Hitachi Device Manager? (Choose three.)

A) unallocate volumes
B) compress volumes
C) create volume
D) allocate volumes
E) dedupe volumes

4. A user reports that a host is unable to see the LUNs added with Hitachi Device Manager
(HDvM). When troubleshooting, which two actions should you perform? (Choose two.)

A) Set "server.base.initialsynchro=true" in the HDvM server.properties file.
B) Verify the Alerts in HDvM.
C) Verify the paths between the host and the storage system.
D) Restart the HDvM services.

5. You use Hitachi Device Manager (HDvM) to manage your VSP and HUS110 storage systems. Which two features are available in the HDvM GUI to manage storage provisioning tasks? (Choose two.)

A) Unallocate Storage
B) Allocate Storage
C) Move Storage
D) Release Storage

Solutions: