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Hitachi Data Systems Certified Professional - Modular storage installation Sample Questions:

1. Which two apply when replacing a disk on a Hitachi Unified Storage (HUS) system? (Choose two.)

A) A wrist strap must be used when replacing disk drives.
B) The Web tool should be used to confirm that the replacement is successful.
C) The faulty drive must be blocked using SNM2 before replacement.
D) The HUS needs to be in maintenance mode when disks are replaced.

2. Which two operations can be performed using Storage Navigator Modular 2 on a Hitachi Unified Storage
system? (Choose two.)

A) Display Disk Management properties.
B) Create Logical Units.
C) Run the Initial Setup Wizard.
D) Set persistent binding.

3. Which two alerts does Hitachi Dynamic Provisioning issue when DP-Pool capacity usage thresholds are
exceeded on a Hitachi Unified Storage system? (Choose two.)

A) Over Provisioning Alert
B) Early Alert
C) Exceeding Alert
D) Depletion Alert

4. What are two advantages of the Memory Management Layer (MML) in Hitachi Unified Storage systems?
(Choose two.)

A) The DM-LU size is automatically adjusted depending upon the number of copy pairs.
B) Copy-on-Write Snapshot and TrueCopy Extended Distance no longer require a data pool for
differential data.
C) Metada for MML-supported functions is copied to cache only when needed for processing.
D) LU quick and normal format speeds are increased.

5. You have just allocated four 3TB LUNs from a Hitachi Unified Storage System to a set of ESX 4.x servers.
The VMware administrator can see volumes that are assigned to the servers from an older storage array,
but not the volumes you have just allocated. What is the most likely cause?

A) The FC switch ports need to be disabled/enabled to force the HBAs to re-login to the fabric.
B) ESX 4.x servers cannot recognize volumes that are 2TB or larger.
C) This a newer storage array with an older version of ESX so the HBA drivers need to be updated.
D) The rescan function in VMware is not working, so both servers need to be rebooted.

Solutions: