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>> Advanced Pure Storage FlashArray-Implementation-Specialist Testing Engine <<
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NEW QUESTION # 159
If drives need to be relocated within an array for an XFORM upgrade, when should this be completed?
Answer: C
Explanation:
If physical drives need to be relocated within the array (e.g., rebalancing shelves or moving packs to specific slots to match the target configuration) as part of an XFORM (Data-in-Place) upgrade, this task should be completed after the upgrade is completed.
Risk Management: The primary objective during the upgrade window is to successfully transition the controllers and software to the new generation (e.g., SAS to NVMe, or //M to //X) while maintaining data availability. Introducing unnecessary physical changes-like moving drives between slots-during the active controller swap adds variables and risk to the critical path.
Procedure: The standard workflow involves:
Perform the Controller Upgrade (XFORM).
Verify the new system is stable, healthy, and handling I/O correctly.
Post-Upgrade: Once the system is stable, the Implementation Engineer performs the physical drive relocation (if required) to optimize the layout or consolidate shelves. This ensures that if any issues arise from the drive movement, they are isolated from the controller upgrade process, making troubleshooting significantly easier and safer.
NEW QUESTION # 160
What hardware should the Implementation Engineer find in the upgrade kit in order to perform an //X to //XL NDU?
Answer: C
Explanation:
For a Non-Disruptive Upgrade (NDU) from a FlashArray//X to a FlashArray//XL, the upgrade kit typically contains 4 QSFP cables, 2 Mellanox cards, and 20 DFMD blanks (or modules).
2 Mellanox Cards: The FlashArray//X (source) likely requires the installation of 100GbE RoCE adapters (Mellanox) into its controllers to establish the high-speed replication link with the new FlashArray//XL (which has 100GbE native). One card is installed per //X controller.
4 QSFP Cables: To ensure a redundant, high-bandwidth connection between the two arrays during the data migration phase, 2 cables are used per controller pair (CT0-to-CT0 and CT1-to-CT1), totaling 4 cables.
20 DFMDs (Blanks/Fillers): The FlashArray//X typically holds 20 DirectFlash Modules. The FlashArray//XL chassis has 40 slots. When the 20 data drives are physically moved from the //X to the //XL, the //XL will still have 20 empty slots. These must be filled with DirectFlash blanking modules (DFMD blanks) to maintain proper chassis airflow and thermal pressure. Thus, the kit includes these 20 fillers.
NEW QUESTION # 161
An Implementation Engineer is going on site to complete a data pack evacuation and perform a hardware NDU.
At what step should the Implementation Engineer contact support for assistance?
Answer: C
Explanation:
Performing a simultaneous data pack evacuation (capacity migration) and a Hardware Non-Disruptive Upgrade (HWNDU, such as a controller swap) introduces a high degree of complexity. Pure Storage heavily emphasizes a sequential, risk-averse methodology during these major dual-maintenance events.
The standard operating procedure dictates that these two major operations must not overlap. First, the data pack evacuation is executed. The Purity operating system transparently moves all data blocks from the targeted legacy drives to the remaining free space in the array or to a newly installed swing shelf. Once the UI and CLI explicitly show the evacuation is 100% complete and the drives are marked as "empty" or
"evacuated," the Implementation Engineer can safely unlatch and physically remove those old drives.
At this precise juncture- after removing the fully evacuated drives and before starting the physical controller replacements for the NDU -the engineer must contact Pure Storage Support. Support will log into the array remotely, run pre-flight health checks (such as hardware_check.py), verify that the array has cleanly stabilized from the drive removal, and ensure the cluster is perfectly healthy before granting the "go- ahead" to initiate the first controller failover. Proceeding into an NDU without this verification risks taking a controller offline while the storage fabric is still normalizing, which could compromise data availability.
NEW QUESTION # 162
What is the rack unit height of a FlashArray//XL?
Answer: C
Explanation:
The FlashArray//XL models are designed to fit into a 5U rack space, which is equivalent to 5 rack units. Each rack unit (U) is 1.75 inches in height, so a 5U chassis would be 8.75 inches tall. However, the FlashArray//XL chassis is designed to be 5U in height, providing a compact and efficient form factor for enterprise storage needs.
NEW QUESTION # 163
A customer has a FlashArray X20R3 with 22/22 data packs in the chassis at 80% space usage and wishes to swap one of the data packs for a 45TB pack. What step needs to be taken to facilitate this consolidation?
Answer: C
Explanation:
To facilitate a Capacity Consolidation (CapCon) in a chassis that is physically full (both data pack slots occupied) and logically utilized above the threshold to allow internal evacuation, the standard procedure requires temporary external capacity, often referred to as "swing gear." In this scenario, the FlashArray//X20 chassis is fully populated with two 22TB data packs. Since there are no empty slots to insert the new 45TB pack, one of the existing packs must be removed first. However, with the array at 80% usage, the data residing on the pack designated for removal (roughly half the raw capacity) cannot fit into the remaining free space of the other pack.
Therefore, Pure Storage Support will provision a DirectFlash Shelf (DFS) containing temporary capacity (e.g., a 63TB pack as mentioned in Option B). The Implementation Engineer attaches this shelf, adds it to the system, and utilizes it as a destination to evacuate data from the old 22TB pack. Once the old pack is empty and removed, the new 45TB pack is installed into the chassis. Finally, the data is moved from the temporary shelf back into the new chassis capacity, and the temporary shelf is disconnected and returned. Option A is incorrect because an empty shelf provides no storage to offload data, and Option C is operationally unfeasible for most customers.
NEW QUESTION # 164
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