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| Section | Objectives |
|---|---|
| Upgrade | - Hardware component swaps and shelf upgrades - Purity upgrade procedures and version management - Controller and drive firmware upgrades |
| Pre-Install | - Validate site-survey data prior to installation - Identify compatibility requirements - Document pre-flight checks to minimize downtime and risk - Plan capacity and assess current infrastructure - Determine if best practices are met for deployment readiness - Prepare migration strategies - Evaluate existing workloads and determine upgrade paths |
| Install | - Confirm system readiness before production deployment - Validate prerequisites and connect components - Hardware setup and cabling requirements - Initial configuration and system bring-up procedures |
| Post-Install/Upgrade | - Establish monitoring baselines - Optimize configuration settings - Integrate with existing storage networks - Confirm FlashArray meets performance targets - Verify system performance and validate data integrity |
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NEW QUESTION # 223
An Implementation Engineer is onsite to install a new DirectFlash Shelf on a FlashArray//XL that does NOT have any installed. There is an I/O card installed and in use on the default slot for the first shelf.
Where should the Implementation Engineer install the PCIe card for connectivity?
Answer: A
Explanation:
The FlashArray//XL utilizes a massive 5U chassis with a highly specific PCIe slot population architecture optimized for NVMe-oF (RDMA over Converged Ethernet - RoCE) backend connectivity. According to the FlashArray//XL Port Usage and Definitions hardware matrix, an //XL configuration supports up to two 2-port
100GbE cards explicitly dedicated to NVMe DirectFlash Shelf (DFS) connectivity.
The standard implementation procedure mandates that the primary shelf connectivity card must be installed in PCIe Slot 0 (the default slot). However, if an Implementation Engineer arrives onsite and discovers that Slot
0 is already legitimately occupied by another critical I/O card, the officially supported secondary/alternate slot for routing the backend DFS loop is PCIe Slot 6 .
Slot 5 and Slot 8 are strictly reserved for frontend host I/O connectivity (such as 32G/64G Fibre Channel HBAs). By installing the 100GbE RoCE backend expansion card into Slot 6, the engineer ensures optimal NUMA node alignment, prevents frontend/backend traffic collisions, and passes the array's mandatory pre- flight hardware_check.py validation script, allowing the new DirectFlash Shelf to initialize seamlessly.
NEW QUESTION # 224
After running puredb run giveback --safe command once CT0 has been upgraded, how long should the Implementation Engineer wait before continuing with the controller upgrade?
Answer: A
Explanation:
After executing the puredb run giveback --safe command during a manual controller upgrade or specific non-disruptive upgrade (NDU) procedure, the Implementation Engineer must wait for 10 minutes before proceeding to the next step (typically upgrading the peer controller).
The giveback command instructs the recently upgraded controller (e.g., CT0) to resume its primary role and take back ownership of its assigned storage resources and I/O handling from the peer controller. This process triggers a failover event for the host multipathing software.
Path Stabilization: The 10-minute wait time is a critical safety buffer mandated to ensure that all host-side multipathing drivers (MPIO) have successfully recognized the restored paths to the upgraded controller and have stabilized.
Risk Mitigation: Proceeding too quickly-before the hosts have fully settled and paths are marked as "Active/Optimized"-could lead to an "all paths down" (APD) scenario when the second controller is taken offline for its upgrade. This wait time verifies that the upgraded node is fully functional and carrying load, adhering to the strict "availability first" philosophy of FlashArray upgrades.
NEW QUESTION # 225
An Implementation Engineer has completed cabling a DirectFlash Shelf (DFS) to the FlashArray.
Which command should the Implementation Engineer run to verify that the cabling was completed correctly?
Answer: C
Explanation:
Adding an external DirectFlash Shelf (DFS) or a legacy SAS Expansion Shelf to a Pure Storage FlashArray requires precise physical cabling to ensure backend high availability. Because the controllers utilize an active
/active backend topology-where both controllers must maintain redundant loops to every single capacity shelf-a single misplaced cable can cause a severe hardware fault.
Once the physical installation is complete, the Implementation Engineer must definitively validate the topology before handing the array over to production. To do this, they log into the local KVM console or SSH session using the restricted puresetup account. From here, the official Pure Storage post-installation procedure dictates running two specific Python validation scripts: storage_view.py enclosures and storage_view.py config .
While both are used, storage_view.py config is the primary command utilized to map the specific SAS or NVMe-oF (RoCE) port bindings. The script actively polls the physical ports on the rear of the controllers and traces the loops down through the I/O Modules (IOMs) on the shelves. If the cabling is flawless, the CLI will explicitly return: "No errors detected." If a cable is crossed (e.g., Controller 0 plugged into IOM 1 instead of IOM 0), the script will instantly flag the topology mismatch, allowing the engineer to correct it on the spot.
NEW QUESTION # 226
When should a FlashArray support case be opened?
Answer: B
Explanation:
Opening a support case before starting the installation ensures timely assistance and coordination with support throughout the deployment process.
NEW QUESTION # 227
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: B
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 # 228
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