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Hitachi HAT-420 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Maintenance and Troubleshooting | 20% | - Firmware and software updates - Error diagnosis and resolution - Component replacement procedures - Backup and recovery operations |
| Modular Storage Architecture | 20% | - System software overview - Hardware components and specifications - Controller and cache architecture - Drive enclosures and connectivity |
| Installation and Setup | 25% | - Initial configuration and setup - Storage Navigator Modular 2 usage - Site preparation and requirements - Physical installation and cabling |
| Configuration and Management | 25% | - RAID groups and logical volumes - User management and security - System monitoring and reporting - Host connectivity and storage provisioning |
| Data Protection and Advanced Features | 10% | - Performance optimization - Replication and migration technologies - Snapshot and cloning functions |
Hitachi Data Systems Certified Professional - Modular storage installation Sample Questions:
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 should shut down the server right away and that you will allocate five new LUNs.
- C. That the Master Boot Record (MBR) on one of the disks has become corrupt and that rebooting the
host should fix the issue. - D. That they need to configure Device Mapper for the newly allocated LUNs.
Correct Answer: A 🗳️
You have been asked to allocate storage from a Hitachi Unified Storage system to a cluster of AIX hosts.
The application owner wants you to make sure that the queue depth is set to 16 for all the LUNs. Where
do you define the queue depth?
- A. on each LUN
- B. on the WWPN Target Ports
- C. on the WWNN Target Ports
- D. on the server HBAs
Correct Answer: A 🗳️
Which three tasks can be performed using the Web tool of a Hitachi Unified Storage system? (Choose
three.)
- A. collection of a simple trace
- B. identification of failed parts
- C. setting up SNMP error reporting
- D. offline firmware installation
- E. configuration of additional cache memory
Correct Answer: A,B,D 🗳️
You are implementing a Hitachi Unified Storage File Module cluster with a single SMU. How do you run
the smu-config script?
- A. Connect an Ethernet cable and login as supervisor.
- B. Connect a serial null-modem cable and login as root.
- C. Connect an Ethernet cable and login as root.
- D. Connect a serial null-modem cable and login as supervisor.
Correct Answer: B 🗳️
How should the Hitachi Unified Storage systems dual power supplies be connected?
- A. only one should be connected, the other being standby
- B. by FS6 circuits breakers
- C. by two independent and appropriately rated power distribution units
- D. by adjacent sockets on a single power distribution unit
Correct Answer: C 🗳️
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