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| Section | Objectives |
|---|---|
| Topic 1: Install | - Initial configuration and system bring-up procedures - Hardware setup and cabling requirements - Confirm system readiness before production deployment - Validate prerequisites and connect components |
| Topic 2: Upgrade | - Controller and drive firmware upgrades - Hardware component swaps and shelf upgrades - Purity upgrade procedures and version management |
| Topic 3: Pre-Install | - Document pre-flight checks to minimize downtime and risk - Validate site-survey data prior to installation - Prepare migration strategies - Evaluate existing workloads and determine upgrade paths - Plan capacity and assess current infrastructure - Identify compatibility requirements - Determine if best practices are met for deployment readiness |
| Topic 4: Post-Install/Upgrade | - Confirm FlashArray meets performance targets - Establish monitoring baselines - Integrate with existing storage networks - Optimize configuration settings - Verify system performance and validate data integrity |
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NEW QUESTION # 76
Which I/O card type is compatible across all FlashArray models?
Answer: A
Explanation:
The Fibre Channel (FC) I/O card type is the only option listed that is universally compatible and supported across all FlashArray models, from the entry-level //X10 and //X20 up to the high-end //X90 and //XL.
Fibre Channel: Pure Storage architectures rely heavily on Fibre Channel as the primary enterprise storage protocol. All chassis generations and controller sizes feature PCIe risers compatible with Pure's standard 16Gb or 32Gb Fibre Channel HBAs.
Ethernet/iSCSI: While all arrays support iSCSI, the physical card type varies.
10GBase-T: This refers to "copper" Ethernet (RJ45). This card type is not supported on all models. High-end FlashArrays (like the //X70, //X90, and //XL) typically utilize SFP+ or QSFP28 cages for optical connectivity (10/25GbE or 40/100GbE) and do not standardly support 10GBase-T copper cards due to power and latency characteristics.
Therefore, while the protocol (iSCSI) is supported everywhere, the specific physical card (10GBase-T) is not. Fibre Channel cards remain the consistent hardware constant across the entire product line.
NEW QUESTION # 77
When should the Implementation Engineer run start_ndu controller-ndu to set the HWNDU tunable?
Answer: A
Explanation:
This scenario reinforces the standard Pure Storage controller replacement methodology during an inter- generational Hardware NDU. The start_ndu controller-ndu script is a specialized internal tool explicitly designed to adjust system-level tunables on a newly inserted controller so that it can seamlessly integrate with a peer controller of a different hardware footprint (e.g., an //XR3 peer and an //XR4 or //XR5 new controller).
The Implementation Engineer must run this script before initializing CT0 (or CT1, depending on which side is currently being replaced). The exact required workflow dictates that the Purity operating system must first be installed onto the new controller's internal boot drives so the OS is present to modify. Once installed, the tunable script is executed from the command line.
Only after these HWNDU tunables are safely set can the engineer proceed to initialize the controller using puresetup, allowing it to sync its NVRAM securely and establish High Availability (HA) with the older surviving node. Attempting to initialize the controller before setting this tunable will cause the cluster's health checks to fail and reject the mismatched node, stalling the upgrade process.
NEW QUESTION # 78
An Implementation Engineer is performing a FlashArray//X to FlashArray//XL HWNDU. After rebooting a controller, the new controller fails to reach a ready state. Which command should the Implementation Engineer run to resolve the issue?
Answer: B
Explanation:
Upgrading from a FlashArray//X to a FlashArray//XL is a complex procedure involving significant hardware and network architecture changes. A known issue during specific phases of this upgrade involves the synchronization of ARP tables and IP neighbor entries between the legacy environment and the new controller architecture, which can prevent the High Availability (HA) link from establishing correctly.
If the new controller hangs or fails to reach a "Ready" state after a reboot, the engineering-level script ha_sync.py --resync ipneigh is the prescribed resolution.
This script forces a resynchronization of the IP neighbor table (ARP cache) and HA state information.
It clears stale entries that might be pointing to old MAC addresses or interfaces that moved during the X-to-XL transition.
Once cleared, the controllers can correctly rediscover each other over the internal HA interconnect and proceed to a healthy clustered state.
Options like hardware_check.py are diagnostic only, and firewall.py is for packet filtering, not ARP/HA sync issues.
=========
NEW QUESTION # 79
The Customer's Implementation Workbook specifies that the SMTP reply is "outlook.microsoft.com:587". What correction should be made for array initialization to be successful?
Answer: C
Explanation:
For SMTP settings during array initialization, the host should be specified without the port number; including ":587" can cause connection issues and prevent successful initialization.
NEW QUESTION # 80
After completing planned maintenance, what command should the Implementation Engineer run to verify connectivity to pure services?
Answer: C
Explanation:
Verifying external connectivity is a critical final step in any maintenance window to ensure the array remains supported. The command puresupport test is the specific tool designed to validate the entire support communication chain.
Running puresupport test:
Checks DNS resolution for Pure1 endpoints.
Tests outbound HTTPS connectivity through any configured proxies.
Verifies the "Phone Home" log upload capability.
Validates the "Remote Assist" tunnel functionality.
This comprehensive check confirms that the array can "call home" if an issue arises and that Support can connect remotely if needed. purearray test is generic or refers to internal tests, whereas puresupport test explicitly targets the support infrastructure.
NEW QUESTION # 81
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