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Updated: Jun 03, 2026
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1. Your customer is moving from a Restaurant/Bar business model to a Restaurant/Casino business model. You are helping architect the upgrade of a current 4-node X200 48 TB Isilon cluster, with 50% utilized for their video surveillance operations.
They want to upgrade from 15 FPS (NTSC) in H.264 codec, with a 15 days retention policy to 30 FPS (NTSC) in H.264 codec, with a 30 days retention policy.
How many nodes of the same type will you need to add in order to meet the required changes and not exceed 70% raw capacity?
A) 8 nodes
B) 4 nodes
C) 12 nodes
D) 16 nodes
2. You are sizing an Isilon cluster for a new customer. Analyzing their workflow you determine that they have a large block random read workload.What is the most important factor to consider when sizing this solution?
A) Latency
B) Headroom
C) IOPS
D) Bandwidth
3. Refer to the exhibit.
Which tool was used to create this output and which line item counts the metadata read operations occurring in the file service?
A) tcpdump and nfsstat
B) iostat and fsstat
C) isi_netlogger and commit
D) nfsstat and getattr
4. Refer to the exhibit.
Your customer has three different clusters. File systems on two of the clusters are at 90% full, and the largest cluster is 10% full. Active data resides on the largest cluster. The customer has five different node types totaling 2PB and 54 nodes. Nodes from left to right are as shown:
1. X200
2.12000X
3.36000X
4.NL108
5.108NL
They have a Smartpool license and believe that tiering data would help free up needed space.
After talking with the customer and explaining the use of SmartPools, how would you recommend optimizing utilization across all of the nodes that the customer owns?
A) Go to GUI and put alike nodes in the same pools. Then name them.
B) Attach all nodes to a common Infiniband switch.
C) Borrow nodes to reconfigure the cluster and migrate the data to new cluster.
D) Explain to the customer that this will result in data loss.
5. A customer has grown 2 PB in the last year. The cluster performs well most times of the day, but occasionally during the day, the customer notices a decrease in performance. You have been told that 'tree-deletes' are taking too long and can only be run on weekends.
What would you recommend to speed up the 'tree-deletes'?
A) Use an A100 node for added CPU performance to help with 'tree-deletes.'
B) Add an SSD node tier for metadata to account for at least 2% of RAW capacity
C) Add 20% more nodes to the cluster to help with degraded performance.
D) Add an SSD tier for metadata, ensuring all nodes have SSDs.
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: D | Question # 3 Answer: D | Question # 4 Answer: B | Question # 5 Answer: B |
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