You are using wafliron on an aggregate named homedir on a production system.
When is the data on homedir available?
When using wafliron to repair WAFL inconsistencies on an aggregate, the aggregate becomes available after Phase 4 of the wafliron process is complete.
Phases of wafliron:
Phase 1: Initial scan to identify inconsistencies.
Phase 2: Corrects directory and inode structure issues.
Phase 3: Repairs blocks and metadata.
Phase 4: Completes final repairs and verification, after which the aggregate can be made available.
Why Other Options Are Incorrect:
A . when the administrator manually onlines the aggregate:
The aggregate cannot be manually brought online until wafliron completes Phase 4.
B . when wafliron is started:
Starting wafliron does not make the aggregate available; repairs need to be completed first.
D . after the mounting phase of wafliron is complete:
WAFLiron does not have a specific 'mounting phase.' Mounting happens after Phase 4 completes.
'NetApp WAFLiron Troubleshooting Guide' explains the availability of the aggregate after Phase 4.
NetApp Support documentation outlines the phases of wafliron and aggregate recovery.
A node has unexpectedly failed and is unresponsive through its node management interface.
Which two commands from the Service Processor are helpful to determine the root cause? (Choose two.)
To determine the root cause of an unexpected node failure using the Service Processor (SP), the following commands are helpful:
1. event log show
What it does: Displays recent events logged by the Service Processor. This includes hardware failures, environmental alerts, or other events that may have caused the node failure.
Example Usage:
event log show
2. system core
What it does: Shows information about any core dumps that were generated during the failure. A core dump provides a snapshot of the system state at the time of the failure, which can be analyzed to identify the root cause.
system core
Why Other Options Are Incorrect:
A . sp status --d:
This command provides status information about the Service Processor itself but does not help diagnose the root cause of the node failure.
C . system log:
This is not a valid Service Processor command.
NetApp 'Service Processor Diagnostics Guide' details commands such as event log show and system core for troubleshooting node failures.
Which two tools can you use to invoke AutoSupport? (Choose two.)
To invoke AutoSupport in ONTAP, the following tools can be used:
1. CLI (Command Line Interface)
How to use: Run the command:
python
Copy code
autosupport invoke -node <nodename> -type all
This triggers AutoSupport to collect and send logs and system information.
2. NetApp Active IQ website
How to use: Log in to the Active IQ portal and use its interface to request an AutoSupport message from the connected ONTAP systems.
Why Other Options Are Incorrect:
A . NetApp Cloud Insights:
This tool is used for monitoring and performance analysis, not for triggering AutoSupport messages.
D . the SmartSolve tool:
SmartSolve is used for case resolution guidance but does not invoke AutoSupport.
'ONTAP AutoSupport Guide' provides instructions for invoking AutoSupport via CLI and Active IQ.
After a panic, the customer asks you to explain the error ''watchdog timeout.''
Which explanation would be appropriate?
What Is a Watchdog Timeout?
The watchdog is a software or hardware mechanism that monitors the system's health and ensures it is operating correctly.
If the system fails to respond or update the watchdog timer within the specified time, the watchdog triggers a system panic to avoid further corruption or damage.
Cause of Watchdog Timeout:
This usually occurs due to:
A hardware failure (e.g., CPU or memory issue).
A software bug causing a system hang or crash.
The panic ensures the system stops operation to preserve data integrity and aid in troubleshooting.
NetApp Reference Documentation:
'ONTAP Troubleshooting Guide' and 'Core Dump Analysis Guide' provide details on interpreting watchdog timeouts and recommended actions.
In preparation for an upgrade to ONTAP 9.6P8 software, you have uploaded the ONTAP image 96P8_q_nodar_image.tgz onto your local web server with address 192.168.10.10.
Which is correct command syntax to download this image to the cluster image repository?
Command Syntax for Downloading ONTAP Image:
The cluster image package get command is used to download the ONTAP image from a specified URL to the cluster's image repository.
The syntax requires the --url parameter followed by the full URL of the image file.
Why Option C Is Correct:
This command syntax directly downloads the image from the local web server at http://192.168.10.10/ to the ONTAP cluster repository.
Other options either refer to incorrect commands or unsupported URLs.
NetApp Reference Documentation:
The 'ONTAP Software Upgrade Guide' provides the exact command and steps for downloading ONTAP images via HTTP or FTP.
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