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IBM System Storage DS8000 Technical Solutions V3 Sample Questions:

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

2. What factor in the architecture of the DSS000 allows for concurrent microcode updates to be performed?

A) Subsystem Device Drivers
B) Call Home and Dial-in support
C) Control-unit Initiated Reconfiguration support
D) Built-in redundancy

3. A new DS8000 z/OS storage customer needs to configure the DSS000 system's host adapter ports to Brocade SAN directors for host access in a Metro Mirror solution.
Which protocols must be configured for this system?

A) FICON protocol for both host ports and Metro Mirror connection
B) FIOON protocol for host ports and FOP for Metro Mirror connection
C) FIOON for FOP for host ports and FOP for Metro Mirror connection
D) No action required; the DS8000 auto-negotiates the required protocol without any adjustment

4. A customer has submitted an REP for which a DS8870 is the preferred solution to support their VMware environment. They require support for VAAI Extended Copy.
What should the technical specialist advise this customer?

A) A SAN Volume Controller must be proposed along with the DS8870 to provide VAAI support
B) DS8870 supports the VAAI functionality required by this customer
C) A DS8870 with FlashCopy should be proposed
D) VAAI is only a host function so any disk subsystem can be considered

5. Which of the following statements about remote replication on the D38000 is true?

A) Global Mirror has a maximum of 256 volumes
B) Metro Mirror's longest supported distance is 100 kilometers
C) Metro/Global Mirror can only be used for z/OS data
D) Global Copy does not provide consistency

Solutions: