Discuss NetApp NS0-593 Exam Topic 7 Question 42

A storage administrator reports that a monitoring toot is reporting that the storage controller reads between 90% to 93% CPU use. You run the sysstat -m command against the node in question.

Referring to the exhibit, which statement is correct?

AThe customer should be advised to exclude certain workflows to reduce use.

BHigh network exempt use could be a problem.

CYou should immediately investigate further by gathering perfstat data and opening a support case.

DThe CPU Is not a first-order monitoring metric for ONTAP.

Suggested Answer: B

Here is my reasoning:

Thesystem node hardware unified-connect showcommand displays the status and configuration of the Unified Connect ports on a node1. This command can help you identify if the ports are configured correctly and if they have any errors or faults.

The ports 0e and 0f on the AFF A300 are 10GbE ports that support both Ethernet and Fibre Channel over Ethernet (FCoE) protocols2.These ports are part of the Unified Connect feature, which enables you to use the same physical port for different protocols without requiring additional hardware3.

If the ports are offline, it could indicate a problem with the port configuration, the cable connection, the switch configuration, or the protocol settings.Thesystem node hardware unified-connect showcommand can help you troubleshoot these issues by showing you the port mode, speed, duplex, state, and error count1.

The other commands in the options are not as helpful for troubleshooting the port issue, because they show different information that is not related to the Unified Connect feature or the port status. For example:

Thevserver fcp wwpn-alias showcommand displays the World Wide Port Name (WWPN) aliases for the Fibre Channel Protocol (FCP) logical interfaces (LIFs) on a Vserver4. This command can help you manage the FCP LIFs, but it does not show the status of the physical ports or the Unified Connect feature.

Thestorage port showcommand displays the status and configuration of the storage ports on a node5. This command can help you manage the storage ports, but it does not show the status of the Unified Connect ports or the FCoE protocol.

Thevserver fcp interface showcommand displays the status and configuration of the FCP LIFs on a Vserver6. This command can help you manage the FCP LIFs, but it does not show the status of the physical ports or the Unified Connect feature.

Here are some references that might help you:

1:system node hardware unified-connect show - NetApp2:AFF A300 system installation - NetApp3:Unified Connect - NetApp4:vserver fcp wwpn-alias show - NetApp5:storage port show - NetApp6:vserver fcp interface show - NetApp

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39 comments · newest first

Ceola 10 months ago

Excluding workflows might help, but we need to analyze the root cause.

Leatha 11 months ago

Wait, is CPU really not a key metric for ONTAP? That seems odd.

Linsey 11 months ago

High CPU usage can lead to performance issues, for sure.

Lai 11 months ago

I think we should definitely gather more data first.

Donte 11 months ago

Sounds like a classic case of CPU bottleneck.

Jody 12 months ago

I feel like option C makes the most sense. If CPU usage is that high, we should definitely gather more data and possibly escalate it.

Dyan 12 months ago

I vaguely recall that CPU isn't always the primary concern in ONTAP, but I can't remember the exact context.

Lelia 12 months ago

This question feels similar to one we practiced about performance metrics. I think gathering more data is crucial before making any recommendations.

Terrilyn 1 year ago

I remember we discussed how high CPU usage can indicate a bottleneck, but I'm not sure if excluding workflows is the best first step.

Michal 1 year ago

I've got a good feeling about option A. Excluding certain workflows could be a straightforward way to reduce the CPU usage.

Sharen 1 year ago

I'm a bit confused by the network exempt use mentioned in option B. I'll need to think through that one more carefully.

Kenneth 1 year ago

Okay, the key here seems to be understanding the ONTAP monitoring metrics. I'm leaning towards option D, but I'll double-check the details to be sure.

Jutta 1 year ago

Hmm, the high CPU usage is concerning. I think I'll go with option C and investigate further to get a better understanding of what's going on.

Verlene 1 year ago

This looks like a tricky one. I'll need to carefully review the exhibit and options to figure out the right approach.

Laura 1 year ago

This question seems straightforward, I think I can handle it.

Delmy 1 year ago

I'm a little confused by this question. The options don't seem super clear to me, and I'm not entirely sure what the differences are between the different components. I'll have to review my notes and try to figure this out.

Vi 1 year ago

Isn't the IS_Service critical too? It seems like it could be related to multicast settings, but I'm confused about the exact linkage here.

Elouise 1 year ago

Okay, let's break this down. The question says the Data Confidentiality pattern is applied to all services, which means encryption is required. So the answer must be True.

Lenny 1 year ago

Anybody else picturing the storage admin frantically googling 'how to fix 90% CPU usage' while downing their third cup of coffee? Just me? Okay, then.

India 1 year ago

↳ replying to Lenny

B) High network exempt use could be a problem.

Mohammad 1 year ago

↳ replying to Lenny

C) You should immediately investigate further by gathering perfstat data and opening a support case.

Tien 1 year ago

↳ replying to Lenny

A) The customer should be advised to exclude certain workflows to reduce use.

Wilda 1 year ago

Hold up, 'high network exempt use'? Is that like when the network gets a free pass to hog all the resources? Sounds like a recipe for trouble to me.

Laquanda 1 year ago

↳ replying to Wilda

User 3: High network exempt use could be a problem.

Graciela 1 year ago

↳ replying to Wilda

User 2: You should immediately investigate further by gathering perfstat data and opening a support case.

Christoper 1 year ago

↳ replying to Wilda

User 1: The customer should be advised to exclude certain workflows to reduce use.

Loreta 1 year ago

Option D? Really? Clearly, the person who wrote that answer has never actually worked with ONTAP. CPU usage is kind of a big deal, you know.

Marta 1 year ago

↳ replying to Loreta

I agree, CPU usage is definitely an important metric to monitor in ONTAP.

Fatima 1 year ago

↳ replying to Loreta

C) You should immediately investigate further by gathering perfstat data and opening a support case.

Jose 1 year ago

↳ replying to Loreta

A) The customer should be advised to exclude certain workflows to reduce use.

Lyndia 1 year ago

I'd say option C is the way to go - better gather some data and get the experts involved before this turns into a full-blown disaster.

German 1 year ago

But shouldn't we also advise the customer to exclude certain workflows to reduce CPU use?

Evette 2 years ago

Wow, that's some serious CPU usage! I bet the storage admin is sweating bullets right now.

Glory 1 year ago

↳ replying to Evette

User 4: High network exempt use could also be a problem, we need to look into that.

Simona 1 year ago

↳ replying to Evette

User 3: Maybe certain workflows are causing the high CPU use, we should advise the customer to exclude them.

Tonette 1 year ago

↳ replying to Evette

User 2: We should gather more data and open a support case to investigate further.

Mozell 1 year ago

↳ replying to Evette

User 1: The CPU usage is really high, we need to figure out what's causing it.

Ernest 2 years ago

I agree, opening a support case would be the best course of action.

Fernanda 2 years ago

I think we should investigate further by gathering perfstat data.

NetApp NS0-593 Exam - Topic 7 Question 42 Discussion