Exam C9020-562 topic 1 question 54 discussion

Actual exam question from IBM's C9020-562

Question #: 54
Topic #: 1

An IBM technical specialist has positioned the IBM FlashSystem V9000 storage solution to meet a customers requirement for a storage solution to host high IOPS with low latency workloads. The IBM FlashSystem V9000 uses an IBM patented Variable Stripe RAID with two dimensional Flash RAID technology.
Which statements describe these features?

A. The Variable Stripe Array function stripes data across its set of chips within a MicroLatency Module. Two Dimensional Flash RAID function provides protection for the MicroLatency Modules.
B. The Variable Stripe Array function stripes data across its set of chips within a MicroLatency Module. Two Dimensional Flash RAID function provides cluster protection between two installed FlashSystem V9000 systems.
C. The Variable Stripe Array function stripes data across all the installed MicroLatency Modules. Two Dimensional Flash RAID function provides protection across DIMM memory within a MicroLatency Module.
D. The Variable Stripe Array function stripes data across DIMM memory within a MicroLatency Module.

Show Suggested Answer

Suggested Answer: A 🗳️
IBM Variable Stripe RAID is a patented IBM technology that provides an intra-module RAID stripe on each flash module.
With two-dimensional (2D) Flash RAID, system-wide RAID 5 along with Variable Stripe RAID helps reduce downtime and maintain performance, and enables the provisioning of an entire flash module as a spare to be used in another flash module failure.
References: Introducing and Implementing IBM FlashSystem V9000, page 22 http://www.redbooks.ibm.com/redbooks/pdfs/sg248273.pdf

by zelesu at April 5, 2025, 10:37 a.m.

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