Hitachi Data Systems Storage Foundations Modular Set 3

1.

What is the function of HDD Roaming in the Adaptable Modular Storage family?

It allows you to perform background HDD-scrubbing. It allows you to monitor the system for HDD failures. It allows you to increase RAID Group capacity dynamically. It allows you to specify RAID Group with HDDs regardless of RKA.

2.

You want to change the size of a cache partition on an AMS2100. How do you achieve this?

You must delete the cache partition and create a new one with the new size. The size grows automatically. The size can be changed in the Cache Partition dialog box of Storage Navigator Modular 2. You create a Pair Cache Partition with the new size.

3.

A customer has an AMS2100 connected to a host which has two paths to CTL0 and two paths to CTL1. The customer has installed Hitachi Dynamic Link Manager and load balancing is enabled. With all systems working correctly, over how many paths will I/O to an LU be load-balanced?

over all four paths over one path to each CTL over four paths to one CTL over two paths to the owner CTL

4.

A ShadowImage pair is created using LUs from RAID Groups and the P-Vol contains no user data. What will occur when the "paircreate" command is issued?

The entire contents of the P-Vol is copied to the S-Vol. Only the basic OS format information is copied from the P-Vol to the S-Vol. The volume status is "PAIR" immediately. The pair creation will fail.

5.

What are two advantages of using Hitachi Dynamic Provisioning (HDP) on AMS2000 systems? (Choose two.)

HDP simplifies dynamic allocation of TrueCopy secondary volumes. HDP allows more efficient use of space on the storage system. HDP simplifies the allocation of storage resources for hosts. HDP allows dynamic migration of data between storage tiers.

Hitachi Data Systems Storage Foundations Modular Set 3

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Hitachi Data Systems Storage Foundations Modular Set 3

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