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IBM System Storage DS8000 Technical Solutions V3 Sample Questions:

1. As the result of a performance sizing a D38870 system configuration must include 96 x 600 GB 10000 rpm SAS drives, and only 32 GB cache.
Which DS8870 system version should to be offered?

A) DS8870 enterprise class configuration including 4 core processors
B) DS8870 enterprise class configuration including 2 core processors
C) DS8870 business class configuration including 2 core processors
D) DS8870 business class configuration including 4 core processors

2. A System z customer would like confirmation of the actual amount of additional storage capacity they will get if they add a drive set of 300 GB 15,000 rpm drives in a RAID 5 configuration.
Which tool would be used to provide this information?

A) Capacity Magic
B) RMF Magic
C) Disk Magic
D) Comprestimator

3. Which of the following statements about the three-site solution Metro z/QS Global Mirror (MzGM) is true?

A) MzGM does not support z/Linux data on CKD devices
B) MzGM is a multi-target solution where the primary device is replicated both synchronously and asynchronously
C) MzGM supports distributed systems data on PB devices
D) MzGM can be managed by GDPS and Tivoli Storage Productively Center

4. Which of the following statements regarding the DSS000 Metro Mirror consistency group function is true?

A) The consistency group functionality requires external automation such as Tivoli Storage Productivity Center V5.x or GDPS to work correctly.
B) Metro Mirror consistency groups are not required to maintain data consistency across devices in a disaster situation.
C) A Metro Mirror consistency group must be contained within a single primary disk subsystem.
D) Simply enabling the Metro Mirror consistency group function on a PPRC path will provide consistency for all devices in this LSS.

5. When I/O Priority Manager is enabled, each volume in a D38800 is assigned to a performance group at the time of the volume creation.
What action will the DS8800 take to ensure that the most important volumes as defined to I/O Priority Manager receive the highest level of system resources available?

A) move volumes with higher performance policy I/Os to faster disks or SSDS
B) allocate additional cache for volumes with higher performance policies
C) invoke Easy Tier for higher performance policy I/Os
D) delay I/Os with lower performance policies

Solutions: