FlashArray-Implementation-Specialist Pure Certified FlashArray Implementation Specialist (FAIS) Exam Questions and Answers

The upgrade kit for an //X to //XL Non-Disruptive Upgrade (NDU) includes 2 QSFP cables, 3 Mellanox InfiniBand cards, and 20 DirectFlash Modules (DFMDs) to support new hardware connectivity and capacity requirements.

To ensure compatibility and optimal performance, the Implementation Engineer should consult the recommended DFS versions for the installed Purity release and upgrade both the FlashArray and DirectFlash Shelf accordingly.

Upgrading from FlashArray X10 to X50 requires upgrading power supplies to meet the higher power demands of the larger chassis and expanded hardware.

FlashArray//XL models are designed with 9 PCIe slots per controller, providing ample connectivity options for various components. Slot 5 is specifically reserved for non-disruptive upgrade (NDU) procedures, ensuring that controller upgrades can be performed without impacting system availability. This slot allocation is part of the system's design to facilitate seamless upgrades and maintain operational continuity.

In the FlashArray//XR2 and //XR3 models, the 2-port InfiniBand card should be installed in PCIe slot 2 on controller CT1. This slot is designated for InfiniBand connectivity, ensuring optimal performance and compatibility during the upgrade process. Installing the card in the correct slot is crucial for maintaining proper system functionality and achieving the desired performance metrics.

FlashArray//XL arrays require four power cables with C19 (receptacle) to C20 (plug) connectors to connect properly to rack PDUs, supporting redundant power supplies and higher power demands.

To upgrade from Purity 5.3.8 to 6.1.21 on a new array, the Implementation Engineer should create a bootable USB installer from the target ISO and reimage both controllers to ensure a clean and supported upgrade.

A swing shelf is installed during the SAS to NVMe Evergreen XFORM upgrade only if the array lacks enough free capacity to evacuate data packs, enabling safe data migration during transformation.

The command purenetwork list --ntpserver displays the configured NTP servers on the FlashArray network settings.

To evacuate multiple shelves in parallel safely during consolidation, the array’s usage must be sufficiently low (under 60%) to ensure enough free capacity for data movement.

The command purealert untag --maintenance removes the maintenance tag after a hardware upgrade, signaling the system that maintenance mode has ended.

Opening a support case before starting the installation ensures timely assistance and coordination with support throughout the deployment process.

The command purenetwork list --all provides a comprehensive view of all network interfaces and their status on the FlashArray.

The puredrive admit command is used to complete the admission process for drives showing as "unadmitted," integrating them fully into the FlashArray.

Cage nuts should be placed in the lowest square hole of the lowest rack unit (RU) where the array rails will be installed to ensure proper alignment and support.

The customer’s completion sign-off is required to confirm that the installation meets their expectations and requirements before the engineer leaves the site.

The command purehw list --all displays detailed hardware information, including NVRAM installation and update status on the FlashArray.

To connect a DirectFlash Shelf located 6 meters away from the chassis, longer (7-meter) cables should be ordered to ensure proper physical connectivity without relocating equipment.

Ensuring Remote Assist is enabled allows Support to perform remote health checks, and updating the case keeps all parties informed for follow-up.