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NetApp NS0-593 Exam Questions
- Topic 1: ONTAP OS: This section of the exam measures the skills of NetApp Technical Support engineers and focuses on ONTAP operating system fundamentals. It covers various tools available for support and troubleshooting, including AutoSupport packages and core dump management. ONTAP cluster administration is addressed, encompassing tasks such as setting up and managing clusters. The exam also tests knowledge of data replication issues and the structure of ONTAP OS. Candidates should be prepared to troubleshoot ONTAP OS and handle panic events effectively.
- Topic 2: Hardware: Support Services Hardware engineers are evaluated on their hardware troubleshooting abilities in this domain in this exam section. It includes troubleshooting Service Processors (SP) or Baseboard Management Controllers (BMC). The exam covers hardware components in a Fibre Channel environment and cluster interconnect infrastructure. Candidates should understand MetroCluster configurations and their implications for hardware setup.
- Topic 3: Protocols: This domain tests the knowledge of ONTAP engineers regarding ONTAP protocol configurations. It encompasses ONTAP NAS configurations, including NFS and SMB protocols. ONTAP SAN configurations, covering iSCSI and Fibre Channel, are also included. The exam addresses S3 server configurations within ONTAP environments.
- Topic 4: Performance: NetApp Technical Support engineers are evaluated in this section based on their understanding of ONTAP performance concepts. It covers troubleshooting ONTAP performance issues, including identifying bottlenecks and analyzing performance data. The exam also addresses software-defined ONTAP solutions and their impact on system performance.
Free NetApp NS0-593 Exam Actual Questions
Note: Premium Questions for NS0-593 were last updated On Apr. 26, 2026 (see below)
Your customer complains about missing volume snapshot copies on a SnapMlrror destination. While investigating this case, you notice an executed SnapMirror resync operation in the event logs of the system.
In this scenario, what Is the cause of this problem?
= When a SnapMirror resync operation is performed, the destination volume is reverted to the most recent common snapshot copy with the source volume. Any newer snapshot copies that exist on the destination volume are deleted automatically, unless they are marked as busy or locked. This is done to ensure that the destination volume is consistent with the source volume and to avoid data loss or corruption. Therefore, if the customer complains about missing snapshot copies on the destination volume after a SnapMirror resync, the most likely cause is that those snapshot copies were newer than the common snapshot that was chosen for resync and were removed automatically by the system.Reference=SnapMirror resync operation,SnapMirror resync or update failed No Snapshot copies found on volume,Even though there is common snapshot, SnapMirror resync fails with error: No common snapshot copy found between source and destination volume
Refer to the exhibit.
Referring to the exhibit, what do you need to do to return the MetroCluster to a normal state?
The question refers to a MetroCluster configuration, which is a disaster recovery solution that uses two physically separated, mirrored clusters1.
The exhibit shows a MetroCluster switchover scenario, where Site A has experienced a disaster and Site B has taken over the tasks of Site A2.
To return the MetroCluster to a normal state, you need to perform a MetroCluster switchback operation, which reverses the switchover and activates the original sync-source storage virtual machines (SVMs) on Site A3.
To perform a MetroCluster switchback, you need to enter themetrocluster switchbackcommand on the cluster that was the source of the switchover, which is Site A in this case3.
The other options are not correct, because:
A)Entering themetrocluster switchbackcommand on Site B will not work, as Site B is the destination of the switchover, not the source3.
C)Entering thestorage failover givebackcommand on Site B will not work, as this command is used for local HA failover within a cluster, not for MetroCluster switchover between clusters4.
D)Entering thestorage failover givebackcommand on Site A will not work, as this command is used for local HA failover within a cluster, not for MetroCluster switchover between clusters4.Reference:
Understanding MetroCluster data protection and disaster recovery - NetApp
Perform IP MetroCluster switchover and switchback - NetApp
Performing a switchback - NetApp
High-availability configuration - NetApp
You created a new NetApp ONTAP FlexGroup volume spanning six nodes and 12 aggregates with a total size of 4 TB. You added millions of files to the FlexGroup volume with a flat directory structure totaling 2 TB, and you receive an out of apace error message on your host.
What would cause this error?
The maxdirsize is the maximum size of a directory in a FlexVol or FlexGroup volume. It is determined by the number of inodes allocated to the directory. If the directory contains more files than the maxdirsize can accommodate, then the ONTAP software will return an out of space error message to the host, even if the volume has enough free space.This can happen when a FlexGroup volume has a flat directory structure with millions of files, as the maxdirsize is not automatically adjusted for FlexGroup volumes12.Reference:1: FlexGroup volumes: Frequently asked questions | NetApp Documentation2: How to increase the maxdirsize of a FlexVol volume - NetApp Knowledge Base
When you review performance data for a NetApp ONTAP cluster node, there are back-to-back (B2B) type consistency points (CPs) found occurring on the loot aggregate.
In this scenario, how will performance of the client operations on the data aggregates be affected?
A B2B type consistency point (CP) occurs when a new CP is triggered before the previous CP is completed, due to the second memory buffer reaching a watermark. This can cause write latency to increase as user write operations are not replied until a write buffer frees up. However, this only affects the aggregate that is undergoing the B2B processing, and not the other aggregates on the same node. Therefore, the performance of the client operations on the data aggregates will not be affected by B2B processing on the root aggregate.Reference=What is the Back-to-Back (B2B) Consistency Point Scenario?,What are the different Consistency Point types and how are they measured in ONTAP 9?,What are the different Consistency Point types and how are they measured?
A system panic due to an "L2 watchdog timeout hard reset" error occurred. You have found a FIFO message in the SP log.
Which FIFO message Is useful for Investigating this Issue?
= The FIFO message before NMI is useful for investigating the issue because it shows the state of the system before the non-maskable interrupt (NMI) was triggered by the L2 watchdog timeout. The FIFO message contains information about the CPU registers, the stack pointer, the instruction pointer, and the last executed instructions. This can help identify the cause of the system hang or deadlock that led to the watchdog reset. The other FIFO messages are not useful because they show the state of the system after the reset or shutdown, which may not reflect the original problem.Reference=https://kb.netapp.com/onprem/ontap/hardware/Handling_L2_Watchdog_Resets_on_the_FAS8200_and_AFF_A300_platforms
https://docs.netapp.com/us-en/ontap-metrocluster/install-ip/task_sw_config_restore_defaults.html
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