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Network Appliance NS0-093 Certification Exam is designed to test and validate the hardware support knowledge and skills of IT professionals who work with NetApp storage systems. NetApp Accredited Hardware Support Engineer certification is intended for those individuals who are responsible for the installation, configuration, maintenance, and troubleshooting of NetApp hardware. NetApp Accredited Hardware Support Engineer certification exam covers a wide range of topics, including hardware installation and configuration, system administration, storage architecture, and troubleshooting.
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Network Appliance NS0-093 exam is designed to test the knowledge and skills of hardware support engineers who work with NetApp storage systems. NetApp Accredited Hardware Support Engineer certification program is an industry-recognized benchmark that signifies an individual’s proficiency in providing hardware support for NetApp storage solutions.
The NS0-093 Exam covers a broad range of topics related to NetApp hardware support, including hardware installation and configuration, system troubleshooting and repair, firmware and software upgrades, and performance tuning. NS0-093 exam is designed for hardware support engineers with at least six months of experience working with NetApp storage systems.
NEW QUESTION # 29
While performing a health check on a cluster, you notice the following entries in the cluster event log:
Referring to the exhibit, which of the following actions do you take?
Answer: B
Explanation:
Analyzing the Error in the Event Log:
* The log entry indicates a medium error on a disk, suggesting an unrecoverable read issue.
* While the RAID subsystem attempts to reconstruct unreadable data, this error might indicate a firmware issue or a compatibility problem with the disk.
Why Reviewing Firmware and Known Issues Is Important:
* Medium errors can sometimes result from outdated or incompatible firmware.
* By reviewing firmware release notes and known issues for the disk model (NETAPP X381_HLBRE10TSDB in this case), you can identify if this is a known issue and resolve it by updating the firmware.
Other Options:
* Sanitize the disk (Option A): Not relevant here, as sanitization is used for secure data erasure.
* Reseat the disk (Option B): Useful for addressing hardware seating issues, but not the first step here.
* Diskcopy to a spare (Option D): This is a last-resort recovery step and not the primary action.
NetApp Reference Documentation:
* "ONTAP Disk Management Guide" and "Disk Firmware Release Notes" detail how to handle medium errors and update firmware.
NEW QUESTION # 30
You have created a case with NetApp Support for an issue with a DS4246 shelf on an ONTAP 9.12.1 system.
They have requested that you provide shelf logs.
What action do you need to take to collect the shelf logs?
Answer: B
Explanation:
To collect shelf logs for a DS4246 shelf in an ONTAP 9.12.1 system, you must invoke a diagnostic AutoSupport specifically targeting the storage subsystem. This action ensures that detailed storage logs, including shelf logs, are included in the AutoSupport bundle.
* Use the following command:
Steps to Collect Shelf Logs:bash
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system node autosupport invoke -node <node_name> -type diagnostic -subsystem storage Replace <node_name> with the name of the node experiencing the issue.
* This command generates an AutoSupport message that includes logs related to storage subsystems, such as disk shelves and adapters.
* Provide the AutoSupport case number to NetApp Support for further analysis.
* A. Provide the output of the nodeshell command rdfile /etc/log/shelflog:
* While this command allows manual reading of shelf logs, it is not a recommended or comprehensive approach for collecting logs for NetApp Support cases.
* B. Invoke an AutoSupport of type all using Active IQ Unified Manager:
* This action generates a generic AutoSupport bundle, which may not include detailed shelf logs unless explicitly targeted.
* D. Invoke a diagnostic AutoSupport with the subsystem log_files:
* The log_files subsystem targets general system logs, not storage-specific logs like shelf logs.
Why Other Options Are Incorrect:
* "ONTAP 9 AutoSupport and Diagnostics Guide" outlines the use of the subsystem storage option for collecting shelf logs.
* The "Troubleshooting Storage Subsystems" documentation specifies diagnostic AutoSupport as the method for gathering shelf-related logs.
References:
NEW QUESTION # 31
Which LOADER prompt command ensures that POST is done on boot?
Answer: B
Explanation:
To ensure that POST (Power-On Self-Test) runs on boot, the setenv POST=true command is used at the LOADER prompt. This command enables the system to perform POST diagnostics before proceeding with the boot process.
* POST Purpose: POST checks system hardware components (such as memory, disk, and controllers) for faults before loading the ONTAP kernel.
* How to Use:
* At the LOADER prompt, type:
Key Details:arduino
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setenv POST=true
* Save the configuration and reboot the system.
* B. bye:
* This command restarts the system but does not ensure that POST runs on boot.
* C. boot_diag:
* This command boots the system into diagnostic mode but is not directly related to enabling POST on boot.
* D. boot_ontap:
* This command boots ONTAP but skips POST if it is not explicitly enabled.
Why Other Options Are Incorrect:
* NetApp "ONTAP System Boot and Recovery Guide" describes setenv POST=true for enabling POST diagnostics.
References:
NEW QUESTION # 32
A SAS connection is reporting a single PHY down.
What are the two most likely causes? (Choose two.)
Answer: A,C
Explanation:
Understanding a Single PHY Down Issue:
* In SAS environments, a PHY represents a physical layer connection between devices.
* When a single PHY reports a "down" status, it typically indicates an issue with the physical connectivity or the associated hardware.
Cause 1: Improperly Seated Cable
* If the SAS cable is not properly seated in the port, the connection for one or more PHYs may fail.
* Reseating the cable on both ends (controller and shelf) often resolves the issue.
Cause 2: Defective Cable
* A damaged or faulty SAS cable can cause PHY errors.
* Replacing the cable and verifying the connection resolves the issue in this case.
Why Other Options Are Not Likely:
* B. Outdated IOM firmware: While outdated firmware can cause other issues, it rarely affects only a single PHY.
* D. Offline shelf: If an entire shelf is offline, more than one PHY would typically be affected, as multiple connections are involved in SAS stacks.
NetApp Reference Documentation:
* Found in the "ONTAP SAS Cabling Guide" and "Shelf Troubleshooting Guide". These documents detail troubleshooting for PHY errors and common SAS hardware issues.
NEW QUESTION # 33
Which two of the following methods are valid ways to access a node which is not booting? (Choose two.)
Answer: A,B
Explanation:
If a node is not booting, the following methods can be used to access the system for troubleshooting:
* What it does:The SP provides out-of-band management access to the node, even if the node is not booting.
* How to use:
* Connect to the SP using SSH or a direct console connection.
* Use SP commands to gather logs or perform diagnostics.
1. Service Processor (SP)
* What it does:The serial console provides direct access to the node's bootloader or maintenance mode.
* How to use:
* Connect to the serial port using a terminal emulator.
* Use console commands to interact with the system.
2. Serial Console
* A. node management port:
* The node management interface is only accessible if the node is booted and ONTAP is running.
* B. cluster management port:
* The cluster management interface requires the cluster to be operational, which is not possible if the node is not booting.
Why Other Options Are Incorrect:
* NetApp "Service Processor and Serial Console Guide" provides instructions for accessing a non- booting node.
References:
NEW QUESTION # 34
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