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IBM System Storage DS8000 Technical Solutions V3 Sample Questions:

1. On the DS8870, which of the following drive options is a valid Easy Tier hybrid pool?

A) SLO and eMLO SSDs
B) eMLO SSDs and 5,400 RPM drives
C) 15,000 RPM and 7,200 RPM drives
D) 7,200 RPM drives

2. If a customer experiences significant technical issues with an installed DS8000 system, which action should be taken immediately to report them?

A) The responsible IBM Customer Service Representative needs to open a problem record
B) Contact the responsible IBM sales representative who must handle all related communications
C) IBM automatically opens an internal problem record based on the Call Home messages
D) The customer needs to open a problem management request (PMR)

3. A customer has a UNIX-based 25 TB Oracle/SAP instance currently running on an HP 12000 Enterprise Storage array. The database is very sensitive to response times and is reported to have a peak I/O requirement of over 25,000 I/O per second. The HP device is nearly three years old, and the customer is considering replacing it.
Which of the following is the best way to investigate the IBM DS8000 as a suitable technology replacement for the HP 12000 device?

A) Ask the customer for IOSTAT output from the server or servers and use it as an input to a Disk Magic model.
B) Ask the customer on what basis HP sized the HP 12000 Storage Array originally, and make an assessment from that information.
C) Use the Internet to find out the capabilities of an HP 12000 Storage Array and configure an equivalent IBM D58800.
D) Ask the customer if they can estimate the workload characteristics.

4. When configuring LUNs for IBM i which is not using VIOS, which of the following is true?

A) LUNs have 512 byte sectors and must match the size of internal drives.
B) LUNs have 520 byte sectors and must match the size of internal drives.
C) LUNs have 520 byte sectors and are limited to 2 TB.
D) LUNs have 512 byte sectors and are limited to 2 TB.

5. A customer has an existing D68800 which is installed in their data center. It now must have an extra frame added to support additional capacity growth, but there is no room to fit the expansion frame to the right.
Which option should be taken?

A) Fit the expansion frame to the left of the base frame
B) Disruptively relocate the D68800 to make space to the right of the base frame for the expansion frame
C) Configure the expansion frame with the DS8000 Passthrough feature to allow placement of the frame anywhere
D) Create an MES to replace all of the existing capacity with larger drives which support both the existing workload and the planned increase

Solutions: