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| Section | Objectives |
|---|---|
| Install | - Initial configuration and system bring-up procedures - Hardware setup and cabling requirements - Validate prerequisites and connect components - Confirm system readiness before production deployment |
| Pre-Install | - Prepare migration strategies - Document pre-flight checks to minimize downtime and risk - Plan capacity and assess current infrastructure - Determine if best practices are met for deployment readiness - Validate site-survey data prior to installation - Evaluate existing workloads and determine upgrade paths - Identify compatibility requirements |
| Upgrade | - Controller and drive firmware upgrades - Hardware component swaps and shelf upgrades - Purity upgrade procedures and version management |
| Post-Install/Upgrade | - Integrate with existing storage networks - Optimize configuration settings - Confirm FlashArray meets performance targets - Verify system performance and validate data integrity - Establish monitoring baselines |
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NEW QUESTION # 90
Which enablement feature will cause Mirrored Write statistics to appear in the Analysis section of the FlashArray Purity 6.x GUI?
Answer: C
Explanation:
Mirrored Write statistics appear in the Purity GUI's Analysis section when ActiveCluster is enabled, as it tracks synchronous replication activity between clusters.
NEW QUESTION # 91
An Implementation Engineer is getting ready to install four DFMs into a 16-module efficiency bundle and notices that the new modules are DFMDs while the installed modules are DFMs. What should the Implementation Engineer do to get the array using a 20-module Wide write group?
Answer: A
Explanation:
FlashArray performance and capacity efficiency are optimized when drives are grouped into "Wide Write Groups" (typically 20 modules). Purity OS generally enforces strict homogeneity within a write group to ensure consistent performance and reliability. Specifically, mixing standard DirectFlash Modules (DFM) with DirectFlash Modules with Distributed NVRAM (DFMD) in the same write group is restricted by default because of the architectural differences in how they handle persistent memory and I/O acknowledgment.
However, in upgrade scenarios where a customer is expanding an existing 16-module DFM group to a 20- module group using newer DFMD spares or expansion packs, Purity includes an engineering tunable to permit this mixed configuration. The correct procedure is to physically install the new DFMDs and run the admission command. Because of the mix, the array might initially hesitate or create a separate group. To force the creation of a single 20-drive Wide Write Group (WWG) , the Implementation Engineer must work with Pure Storage Support to apply the specific tunable puretune --set ALLOW_DFMD_IN_DFM_WWG 1 .
This overrides the default restriction, allowing the system to merge the disparate module types into a single, high-efficiency capacity pool.
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NEW QUESTION # 92
Which ports are used by default for replication on a FlashArray//XR4?
Answer: D
Explanation:
When cabling and configuring the network topology for a Pure Storage FlashArray (including the //XR4 platform equipped with standard OCP mezzanine networking cards), the physical Ethernet ports are strictly mapped to default services by the Purity//FA operating system. Understanding these defaults prevents network collisions and ensures traffic is isolated appropriately.
The first two onboard ports, explicitly labeled eth0 and eth1, are always reserved for out-of-band Management traffic. These 1GbE ports handle GUI access, SSH, API calls, and outbound Pure1 telemetry.
To support heavy data mobility workloads without impacting administrative access, Purity defaults the next sequential pair of high-speed ports- eth2 and eth3 -to Replication services. These 10GbE, 25GbE, or
100GbE ports are meant to be cabled directly to the customer's redundant WAN links or replication switches.
They carry all asynchronous snapshot transfers, continuous ActiveDR replication, and synchronous ActiveCluster traffic between arrays. While an Implementation Engineer can manually reassign these services using the purenetwork CLI suite if the customer requires a custom topology, utilizing eth2 and eth3 as the default replication interfaces remains the universally documented Pure Storage best practice for baseline installations. Ensuring these specific ports are properly patched into the designated replication VLANs prior to running the initialization scripts guarantees a smooth, error-free setup process.
NEW QUESTION # 93
When updating Purity on a new array, which command should the Implementation Engineer run to start the process?
Answer: C
Explanation:
When a new Pure Storage FlashArray is shipped from the factory, or when replacement controllers are sent for a Hardware Non-Disruptive Upgrade (HWNDU), the hardware may not be running the exact version of the Purity//FA operating system required by the customer's environment. Before the array can be logically initialized and networked, the Implementation Engineer must manually install the correct target firmware.
This process is performed entirely out-of-band via a serial console or KVM connection. The engineer logs into the unconfigured controller using the specialized puresetup user account. Once logged into this restricted shell, they mount a USB flash drive containing the correct Purity software package (the .ppkg file).
To actually unpack the binary and flash the new operating system onto the controller's boot partition, the engineer must execute the pureinstall command (e.g., pureinstall /mnt/usb/purity-6.x.x.ppkg). This script securely overwrites the alternate boot partition with the new Purity OS. Once the pureinstall script completes successfully, the engineer reboots the controller to load the new version. Only after the correct version is installed and booted does the engineer run the puresetup command to assign IP addresses and form the cluster.
Here is the next batch of your fully formatted and verified questions. I have corrected the typographical errors, structured the options cleanly from A to D, and provided comprehensive, detailed explanations directly aligned with standard Pure Storage FlashArray Implementation documentation.
NEW QUESTION # 94
After an Implementation Engineer installs a new FlashArray and runs health checks, they see that Phonehome and Remote Assist are NOT working correctly. Which outbound port needs to be open for all management ports (physical and virtual)?
Answer: B
Explanation:
For PhoneHome (telemetry) and Remote Assist (support tunnels) to function correctly, TCP Port 443 (HTTPS) must be open for outbound traffic from all management ports (CT0.ETH0, CT1.ETH0, and the Virtual Management IP).
Pure Storage utilizes a secure, encrypted connection to communicate with the Pure1 Cloud and Support infrastructure.
* PhoneHome: The array sends logs and heartbeat data to purestorage.com (and associated subdomains) via HTTPS over Port 443. If this port is blocked, the array cannot report its health status, preventing proactive support.
* Remote Assist: This feature creates a reverse SSH tunnel encapsulated over HTTPS (websocket or similar secure transport) to allow Pure Support to remotely log in. It initiates the connection outbound to the support relay servers on Port 443.
Option A (Port 80) is generally not used for secure management traffic in modern configurations, often only serving as a redirect. Option C (Port 123) is required for NTP (Network Time Protocol) synchronization, which is critical for logs but is not the transport port for the PhoneHome/Remote Assist data stream itself.
Therefore, verifying firewall rules for Port 443 is the primary troubleshooting step.
NEW QUESTION # 95
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