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IBM System Storage DS8000 Technical Solutions Sample Questions:

1. Which IBM service should a customer contact who wants to migrate data from a non-IBM storage array to an IBM DS8870?

A) Contact Lab Services
B) Open a PMR to get a CE onsite
C) Contact Techline
D) Call the Software support line

2. A customer uses Easy Tier on standard (thick) volumes and wants to introduce thin (ESE) volumes.They are worried that problems could arise.
How would you advice the customer about these concerns?

A) ESE volumes are compatible with any solution.
B) ESE volumes work in combination with TSE volumes.
C) ESE volumes will significantly improve performance.
D) ESE volumes are supported by Easy Tier.

3. What is defined as "non-volatile storage" in an IBM DS8870 controller?

A) Cache memory modules which are mirrored
B) 50% of the cache in each controller
C) Cache in each I/O adapter card that increases reliability
D) Cache memory used to hold data not written to disk

4. Which solution should you recommend to a customer looking for and FB storage solution that can support a minimum of 72 8 Gb direct FC host connections and 1.2 PB raw capacity of storage?

A) Single Frame 4-core IBM DS8870 Enterprise Class
B) Three Frame, 2-core IBM DS8870 Business Class
C) Two Frame, 8-core IBM DS8870 Enterprise Class
D) Four Frame, 16-core IBM DS8870 Business Class

5. A customer is having performance problems with an IBM DS8870. The DS8870 has only 600 GB drives (all drives are the same size and speed). A performance analysis indicates that some ranks are performing much more I/O than others. The customer is not running Easy Tier.
What should you recommend first?

A) Purchase SSDs and set up a combined HDD+SSD Easy Tier pool.
B) Purchase an Easy Tier license.
C) Use auto-rebalance in Easy Tier.
D) Add more cache to the machine.

Solutions: