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| Section | Weight | Objectives |
|---|---|---|
| Pre-Installation / Pre-Upgrade | 25% | - Environment and configuration prerequisites - Planning and preparation steps - Hardware and software compatibility verification |
| Installation | 23% | - Network and storage setup - Physical installation procedures - System initialization and configuration |
| Post-Installation / Post-Upgrade | 20% | - Troubleshooting and issue resolution - Validation and verification procedures - Configuration optimization |
| Upgrades | 32% | - Firmware and component updates - Controller and shelf upgrades - Purity version interoperability - Non-disruptive upgrades (NDU) |
>> FlashArray-Implementation-Specialist Exam Fragen <<
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192. Frage
During a HWNDU, the Implementation Engineer initializes CT0 and runs health checks. They observe 12 fewer iSCSI connections compared to pre-upgrade results. While reviewing port speed and status, the output shows CT0.ETH14 at 0.00 b/s. What is the first action the Implementation Engineer should take to troubleshoot?
Antwort: A
Begründung:
During a hardware upgrade, physical components are often moved or handled, leading to potential connection issues. If a specific port (like CT0.ETH14) that is expected to carry traffic shows 0.00 b/s and "Link Down" or similar status immediately after the controller is initialized, the most likely physical issue is an improperly seated transceiver (SFP) or cable.
The standard troubleshooting hierarchy dictates checking Layer 1 (Physical) first. Therefore, the engineer should ensure the SFP in CT0.ETH14 is fully seated and re-seat it if necessary. SFPs can easily become slightly dislodged during the cable swap from the old controller to the new one. Checking the seating is a quick, non-disruptive step that resolves a high percentage of "dead port" issues during upgrades. Swapping to a management port (Option A) is invalid because management ports often have different speeds or configurations, and asking the customer to reboot hosts (Option B) is premature and potentially disruptive before ruling out the physical array connection.
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193. Frage
An Implementation Engineer is onsite to add a new 91TB (10 x 9.1TB) data pack to a FlashArray that includes a DirectFlash Shelf. The chassis currently contains two write groups, one 45TB (10 x 4.5TB) and one
91TB (10 x 9.1TB). The shelf contains a single 45TB (10 x 4.5TB) write group. The customer requests that the new data pack be added as part of a wide write group. How should the Implementation Engineer meet this request?
Antwort: B
Begründung:
FlashArray performance and capacity management rely on "Write Groups"-logical groupings of drives that Purity uses to stripe data. A "Wide Write Group" typically consists of roughly 20 drives and offers better performance and capacity efficiency than smaller groups. However, Purity generally requires write groups to be contained within a single physical enclosure (chassis or shelf) to maintain failure domain boundaries and performance predictability.
In this scenario, the customer wants the new 91TB pack to form a wide write group. The chassis already has a
91TB group and a 45TB group. The shelf has one 45TB group. To create a wide write group with the new
91TB pack, it is best to pair it with an existing matching or compatible group in the same enclosure. Since the chassis is full (20 drives), you cannot simply add the new pack there without moving something.
The correct procedure is to move the 45TB write group from the chassis to the shelf . This frees up 10 slots in the chassis. The shelf now holds two 45TB groups (which is valid). The chassis now has the original 91TB group and 10 empty slots. The engineer can then install the new 91TB data pack into those empty chassis slots. Purity will then be able to merge or manage these two 91TB packs (the existing one and the new one) as a highly efficient configuration, potentially forming the requested wide write group or at least balancing the high-capacity drives within the controller chassis where bandwidth is highest. This physical rearrangement is necessary because write groups cannot span across the chassis-shelf interconnect.
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194. Frage
An Implementation Engineer is performing a capacity consolidation on an X50R3.
Which command is needed for the engineer to determine whether the customer's FlashArray supports SAS Flash Modules?
Antwort: C
Begründung:
This command reports every installed drive module, identifying SAS Flash Modules if present, whereas the other commands do not enumerate individual drive types.
195. Frage
An Implementation Engineer is onsite to add two 4-port FC cards to a FlashArray//X20R3. In what state should the controller be in before performing the card add procedure?
Antwort: A
Begründung:
Before performing a physical card addition (I/O expansion) on a specific controller, it should be in the Secondary state.
The procedure for adding hardware to a FlashArray is a sequential, non-disruptive process. You cannot add a card to the Primary controller because it is actively handling host I/O; opening it would cause a service outage. Therefore, the Implementation Engineer must first verify the cluster health and, if necessary, perform a manual failover (pureadm make --secondary) to ensure the target controller is Secondary.
Once the controller is Secondary (passing no I/O), the engineer proceeds to stop the Purity software (pureadm stop) and/or power down the controller to safely install the PCIe card. While the physical work happens when the controller is powered off/inactive, "Secondary" is the correct operational starting state required to begin the maintenance workflow safely. "Standby" is often used to refer to a controller that is powered on but not running Purity, which is a subsequent step, not the initial prerequisite state relative to the cluster role.
196. Frage
An Implementation Engineer is performing a capacity consolidation on an X50R2 that is 83% full. The starting config is X50R2-20/10-22/0. The end config is X50R2-91/0. What steps should the Implementation Engineer follow to complete the work?
Antwort: A
Begründung:
The correct procedure is to move the 20TB chassis Data Pack (DP) to the external shelf (SH0) to free up a chassis slot for the new high-capacity pack.
Capacity Analysis: The array has ~52TB total raw capacity (20+10+22) and is 83% full (~43TB used).
Constraint: You cannot simply "evac" the chassis drives (Option A) because the remaining capacity (22TB in the shelf) is insufficient to hold the 43TB of data. Similarly, evacuating the shelf first (Option C) leaves only 30TB in the chassis, which is also insufficient.
The Solution (Option B):
Relocate: The engineer physically moves the 20TB pack from the Chassis (Slot 0) to the empty slot in Shelf 0 (SH0). This is a supported non-disruptive operation (assuming compatible shelf/pack types).
Install: This clears Chassis Slot 0, allowing the installation of the massive 91TB Data Pack.
Consolidate: The system now has huge capacity (10+20+22+91). Purity can safely evacuate the old 10TB pack (Chassis) and the external shelf packs (20+22) into the new 91TB internal capacity.
Final State: The array ends up with the single 91TB pack in the chassis, meeting the "X50R2-91/0" target configuration.
197. Frage
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