Hitachi : HAT-420 Questions & Answers
Updated: Aug 31, 2025
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Hitachi Data Systems Certified Professional - Modular storage installation Sample Questions:
1. Yesterday you allocated five new LUNs for a Solaris 9 host. Today the Solaris administrator is concerned
about corrupt data because the host system log has several entries referencing the new LUNs with the
following message: "Corrupt label; wrong magic number". What do you tell the Solaris administrator?
A) That the message is normal for new LUN allocations and that they just need to label the new partitions.
B) That they need to configure Device Mapper for the newly allocated LUNs.
C) That they should shut down the server right away and that you will allocate five new LUNs.
D) That the Master Boot Record (MBR) on one of the disks has become corrupt and that rebooting the
host should fix the issue.
2. What are two characteristics of the Modular Volume Migration feature? (Choose two.)
A) It can be managed by RAID Manager/CCI.
B) It formats the source LU when migration is complete.
C) It requires Copy-on-Write to be enabled on the array.
D) It can be managed by Storage Navigator Modular 2 GUI.
3. You want to add an account for a new storage administrator on a Hitachi Unified Storage system using
Storage Navigator Modular 2. Which Account Authentication role must you have to be able to perform this
task?
A) Account Administrator (View and Modify)
B) Storage Administrator (View and Modify)
C) Security Administrator (View and Modify)
D) Authentication Administrator (View and Modify)
4. You are connecting a Hitachi Unified Storage system to a FC SAN. Which topology setting should you
select?
A) Fabric Point-to-Point
B) Loop
C) Point-to-Point
D) Fabric
5. Which two statements relating to LU configuration and management on the Hitachi Unified Storage
systems are correct? (Choose two.)
A) It is possible to format a LU quicker by attaching it to both controllers.
B) A LU can be physically extended if there is space left in the RAID group.
C) It is possible to delete all RAID groups including all LUs on the system with one command.
D) A RAID group cannot be deleted before all its LUs have been deleted.
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: A,D | Question # 3 Answer: A | Question # 4 Answer: C | Question # 5 Answer: B,C |
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