NS0-093 Exam Dumps - NetApp Accredited Hardware Support Engineer

ï‚· Understanding "Container Type: Unknown" in Disk Show Output:

The "unknown" container type typically indicates that the disk is not properly configured or recognized by ONTAP.

This status often occurs when a disk does not have an owner assigned.

ï‚· Root Cause:

For a disk to be used in an ONTAP system, it must be owned by a member of the high-availability (HA) pair.

If no ownership is assigned, the disk will not be initialized, resulting in an "unknown" container type.

ï‚· Steps to Resolve:

Use the disk assign command to manually assign ownership of the disk.

Example: storage disk assign -disk -owner

ï‚· NetApp Reference Documentation:

"ONTAP Disk Management Guide" explicitly states that unowned disks report "unknown" container type until they are assigned to a node.

This is further detailed in the "ONTAP Troubleshooting Guide" under disk configuration issues.

To determine whether an aggregate is WAFL (Write Anywhere File Layout) inconsistent, the following two commands can be used:

What it does:This command directly checks the WAFL consistency status of the specified aggregate. If an aggregate is WAFL inconsistent, it will report the inconsistency in the output.

How to use:

Run the command: wafiron show <aggregate> (replace <aggregate> with the name of the aggregate).

Look for indications of WAFL inconsistency in the output.

Why it's relevant:The wafiron utility is specifically designed to provide WAFL status and diagnostics. It is the most accurate and direct way to confirm whether an aggregate is inconsistent.

References:

"WAFL Troubleshooting Guide" from NetApp highlights the wafiron show command as a primary tool for checking aggregate consistency.

1. wafiron show <aggregate>

What it does:This command displays RAID information for all aggregates on the specified node. If an aggregate is WAFL inconsistent, it will be explicitly mentioned in the output.

How to use:

Run the command: node run –node sysconfig –r.

Check the output for the phrase "WAFL inconsistent" under the corresponding aggregate.

Why it's relevant:This command provides additional context, such as the RAID group details, which can help understand whether the inconsistency is isolated or part of a larger issue.

References:

"ONTAP CLI Commands Guide" specifies sysconfig –r as a method to verify aggregate status, including WAFL consistency.

2. node run –node sysconfig –r

C. storage aggregate show:

This command displays aggregate configuration and usage information but does not report WAFL inconsistency.

D. node run –node <</b>node> sysconfig –a:

While this command shows detailed hardware configuration information, it does not include WAFL consistency status for aggregates.

Why Other Options Are Incorrect: