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Refer to the exhibit.
A customer runs an Online Transaction Processing (OLTP) application on Server1. The application generates a small number of transactions and requires low storage latency. Server2 is a backup server that performs backups twice a day During the backup window, the OLTP application experiences high-latency spikes that affect the application performance The customer must meet these requirements
* Maintain consistent low I/O latency for the OLTP server.
* Guarantee I/O throughput for the OLTP server during backup time
* Allow the customer to keep the existing hardware.
Which action must be taken to meet these requirements?
Suggested Answer: D
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34 comments · newest first
RE
Reed
11 months ago
I agree, low latency is a must during backups!
FR
Freeman
11 months ago
Wait, can we really keep the existing hardware with this?
BE
Bettyann
11 months ago
Definitely need to prioritize I/O for OLTP.
DE
Denae
11 months ago
I think option C could work too, but not sure.
MA
Marvel
12 months ago
Option D seems like the best choice for QoS.
LA
Lavina
12 months ago
I feel like configuring QoS on the switches is the most comprehensive solution, but I need to double-check if it meets all the requirements.
BA
Barbra
1 year ago
I think adding another link to Server1 could improve throughput, but I’m not sure if that alone would guarantee low latency during backups.
JO
Jose
1 year ago
This question feels similar to one we practiced about managing I/O during peak times. I think applying a traffic shaper could help, but I’m not confident.
LA
Lashaunda
1 year ago
I remember we discussed how QoS can help prioritize traffic during backups, but I'm not entirely sure if it's the best option here.
MI
Mirta
1 year ago
This looks like a good opportunity to demonstrate my knowledge of Fibre Channel networking. I'm confident I can analyze the situation and come up with an effective solution that meets all the customer's needs.
DA
Darrel
1 year ago
Okay, I think I've got a strategy here. The key is to prioritize the OLTP traffic and ensure it doesn't get impacted by the backup traffic. I'll focus on the QoS and scheduler options to see if that can meet the requirements.
AM
Amber
1 year ago
This seems like a tricky one. I'll need to carefully read through the requirements and think about the best way to maintain low latency for the OLTP server while also handling the backup traffic.
RU
Ruth
1 year ago
Hmm, I'm a bit confused by the different hardware components mentioned. I'll need to make sure I understand how the Fibre Channel switches and server connections work before deciding on the right approach.
GL
Glendora
1 year ago
I'm not sure about this one. The question is a bit unclear to me - does "historical tasks" mean the same as "list of historical tasks"? I'll have to think this through carefully.
NG
Nguyet
2 years ago
I'm a big fan of option C, but only if the customer has a really good arm to throw that extra 8G link at the server.
DA
Darci
2 years ago
User3: Maybe they can get some help with that part, as long as it helps maintain low I/O latency.
LO
Lorriane
2 years ago
User2: Yeah, but I wonder if the customer is up for the challenge of adding that extra 8G link.
KE
Keshia
2 years ago
Option C sounds like a good solution.
RE
Rebecka
2 years ago
Haha, I bet the customer wishes they had a magic wand to wave and fix this problem. But seriously, D seems like the way to go. Gotta love that quality of service!
FE
Fernanda
2 years ago
Option B doesn't make sense to me. Creating a SAN port channel between the switches won't address the issue of high-latency spikes during backups.
MI
Miles
2 years ago
User3: Adding another link to the server and creating an F-Port-channel could also improve performance.
AL
Alyce
2 years ago
User2: Maybe configuring QoS and scheduler on the switches would help.
MO
Mona
2 years ago
Option B doesn't make sense. It won't solve the latency issue.
EN
Ena
2 years ago
But wouldn't adding another 8G link to Server1 and creating an F-Port-channel also help maintain consistent low I/O latency?
SA
Sabra
2 years ago
I agree. Configuring QoS and scheduler for data traffic on both Fibre Channel switches seems like the best solution.
TE
Teddy
2 years ago
I think the answer is D. Configuring QoS and scheduler for data traffic on both Fibre Channel switches sounds like the best way to guarantee I/O throughput for the OLTP server during backup time, while also maintaining consistent low latency.
PA
Pamela
2 years ago
D: Definitely. It's crucial to optimize the network configuration to meet the customer's requirements.
GE
Gerardo
2 years ago
C: I agree. QoS and scheduler settings can help manage the traffic flow effectively.
AL
Alberta
2 years ago
B: That makes sense. It's important to prioritize the data traffic during backups to ensure the application performance isn't affected.
FE
Felicitas
2 years ago
A: I think the answer is D. Configuring QoS and scheduler for data traffic on both Fibre Channel switches sounds like the best way to guarantee I/O throughput for the OLTP server during backup time, while also maintaining consistent low latency.
BE
Bettye
2 years ago
A: Exactly. By configuring QoS and scheduler, the customer can ensure that the OLTP application runs smoothly even during backups.
MI
Misty
2 years ago
B: That makes sense. It's important to prioritize the data traffic during backup windows to avoid high-latency spikes that affect application performance.
RI
Ria
2 years ago
A: I think the answer is D. Configuring QoS and scheduler for data traffic on both Fibre Channel switches sounds like the best way to guarantee I/O throughput for the OLTP server during backup time, while also maintaining consistent low latency.
EZ
Ezekiel
2 years ago
I think we should go with option D.