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You have an ONTAP 2-node cluster. You run a read/write test workload against an SMB share, and it is slower than you expected. You run the same test again, but this time you monitor the storage using a QoS command.
Referring to the exhibit, what is the problem?
Suggested Answer: B
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27 comments · newest first
EL
Elly
5 months ago
D seems unlikely. NVRAM issues usually show different symptoms.
HE
Hermila
5 months ago
C makes sense too. Increasing SMB read sizes might help performance.
RE
Renea
5 months ago
I feel like B could be the issue. HA interconnect problems can slow things down.
RE
Ressie
6 months ago
I think it's A. Disk bottlenecks are common in clusters.
JE
Jesse
6 months ago
QoS monitoring usually points to disk issues.
AS
Ashlee
6 months ago
Definitely check the NVRAM too, could be a factor.
BR
Brendan
6 months ago
Surprised it’s not just the SMB read sizes!
KA
Karl
6 months ago
I disagree, it could be the HA interconnect issue.
AR
Arlette
6 months ago
Looks like a disk bottleneck to me.
EL
Elouise
7 months ago
I bet the answer is hidden in those fancy graphs. Time to put on my data analysis hat!
ME
Melina
7 months ago
Looks like someone needs to do some serious troubleshooting! Good luck with that.
AM
Amie
7 months ago
D) The NVRAM needs to be replaced. Time for an upgrade!
UN
Una
8 months ago
C) The SMB read sizes should be increased. Bigger is better, right?
RO
Roxanne
8 months ago
B) An HA interconnect problem is present. Gotta check those connections!
GA
Gayla
8 months ago
A) There is a disk bottleneck. Looks like the disks are maxed out!
MA
Margart
8 months ago
I doubt the NVRAM needs replacing, but I remember it being crucial for performance. It seems unlikely to be the problem here.
NO
Novella
8 months ago
Increasing SMB read sizes sounds familiar; I think it could help with performance, but I’m not confident it’s the main issue.
BE
Ben
9 months ago
I think I saw a practice question where HA interconnect issues caused slowdowns, but I can't recall the specifics.
AN
Antione
9 months ago
I remember something about disk bottlenecks being common in performance issues, but I'm not sure if that's the only factor here.
ES
Esteban
9 months ago
The QoS data looks pretty straightforward to me. The high aggregate utilization indicates a disk bottleneck, so I'm confident option A is the correct answer.
LO
Lonna
9 months ago
Based on the high utilization shown in the QoS graph, I don't think the HA interconnect or NVRAM are the issues here. I'm leaning towards option A as the most likely problem.
CR
Cristal
9 months ago
I'm a bit confused by the question. Is there something specific I should be looking for in the QoS data to determine the problem?
JA
Jackie
9 months ago
The QoS graph shows high utilization on the aggregate, so I'm thinking it's probably a disk bottleneck. Option A seems like the best choice here.
AN
Anisha
10 months ago
Hmm, this looks like a tricky one. I'll need to carefully analyze the QoS data to identify the bottleneck.
CH
Chaya
3 months ago
Don't forget about the NVRAM; it could be failing.
NA
Nadine
3 months ago
Could be an HA interconnect issue too.
HO
Hoa
4 months ago
I think it might be a disk bottleneck.