Free NetApp NS0-093 Exam Dumps May 2026

Reverting to a Previous ONTAP Version:

Reverting ONTAP software requires specific procedures and is only supported if the ONTAP version being reverted to is compatible with the current cluster configuration.

Why the Netboot Procedure Is Used:

The netboot process loads the desired ONTAP version directly into memory from a network location and reinitializes the system.

This method is used when a full software revert is required and is often necessary for downgrades to a version that cannot be directly reverted to from the running ONTAP version.

Key Notes:

A direct revert is not supported from ONTAP 9.7 to ONTAP 9.5 using standard methods due to system metadata changes.

Always verify compatibility using the 'ONTAP Software Version Interoperability Matrix'.

NetApp Reference Documentation:

Refer to the 'ONTAP Revert/Downgrade Guide' for specific instructions on using the netboot procedure.

RAID-TEC Overview:

RAID-TEC (Triple Erasure Coding) is a NetApp RAID technology designed to protect against up to three simultaneous disk failures.

It is ideal for systems with high-density disks or workloads requiring extreme fault tolerance.

Why RAID-TEC Is Correct:

RAID-TEC uses triple-parity protection, which provides redundancy against three disk failures, making it more resilient than RAID-DP or RAID 5.

RAID-DP only protects against two disk failures, while RAID 4 and RAID 5 protect against a single failure.

NetApp Reference Documentation:

'NetApp RAID and Data Protection Guide' details the differences between RAID-DP and RAID-TEC, highlighting RAID-TEC's ability to tolerate three failures.

To replace a drawer in a DS460c shelf, the following steps must be taken:

1. Disconnect the cable chains from the chassis

Why this is required: Cable chains connect the drawer to the shelf and must be disconnected to safely remove the drawer.

2. Evacuate all drives in the drawer

Why this is required: Drives must be removed to avoid damage during the drawer replacement process and to reduce the weight of the drawer for safe handling.

Why Other Options Are Incorrect:

A . Shut down both nodes:

This is unnecessary because DS460c shelves support online replacement, and the system can remain operational.

C . Power off the shelf:

This is also unnecessary. DS460c shelves are hot-swappable, meaning they do not require the shelf to be powered down.

'DS460c Hardware Service Guide' explains the procedure for replacing a drawer.

NetApp's 'Field Replacement Guide' for DS460c shelves emphasizes online and hot-swappable replacements.

FRUs on FAS9000 Supporting Replacement Without Takeover:

A (I/O Module): I/O modules can be replaced hot (without takeover) to maintain system uptime during hardware servicing.

D (NVRAM Module): NVRAM modules on FAS9000 can also be replaced without a node takeover, ensuring data integrity during replacement.

Why Other Options Are Incorrect:

B (DCPM Module): The DCPM (Data Center Power Management) module is not hot-swappable and requires a node takeover.

C (Caching Module): The caching module is integrated and typically requires a node takeover or power-down for replacement.

NetApp Reference Documentation:

Refer to the 'NetApp FAS9000 Hardware Service Guide' for supported FRU replacement procedures and operational constraints.