What happens to worker threads running on the same node when there is an excessive number of workers running at the same time?

• A.Impact level of workers is decreased
• B.Workers are queued
• C.Priority level of workers is decreased
• D.Workers are paused

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What is appropriate for capturing packets for later analysis of I/O request sizes and randomness on Isilon clusters?

• A.Mitrend
• B.Wireshark
• C.iostat
• D.tcpdump

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An Isilon storage administrator is concerned about capacity after ingesting 200 TB of file data. They recently added more nodes to the cluster and now want to auto-balance it as soon as possible.
The cluster utilization percentages for an average 24-hour period are:
-45% during 00:00 - 08:59 -60% during 09:00 - 17:00 -85% during 17:01 - 23:59
The administrator wants to keep cluster utilization at a minimum. Which Impact Policy settings should be used to quickly complete the job without impacting the production workload?

• A.Medium, Medium, Low
• B.High, High, Low
• C.High, Medium, Paused
• D.Medium, Low, Low

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An Isilon customer wants to have different snapshot policies and schedules on the same directory. Why is this possible on an Isilon cluster?

• A.A third-party product is used by SnapshotIQ to create different schedules and policies on a directory
• B.All snapshots are scheduled through the command line interface
• C.SnapshotIQ snaps at the volume level rather than the directory level
• D.SnapshotIQ snaps at the directory level rather than the volume level

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-- Exhibit -
We have been engaged by a research hospital to help upgrade their Isilon installation. They currently have 12 previous generation Isilon nodes with 200TB of capacity and run on a 1Gbps network. They currently have 6 Illumina Hi-Seq Sequencers and an HPC cluster to process data. They would like to expand Isilon to 2PB of active data and 1PB of archive data. They use a third party data and metadata management service (IRODs) to stage data for analysis. The Isilon cluster is mainly used for analysis work with the HPC cluster.
-- Exhibit -The customer will add two more Illumina Hi-Seq Sequencers in the next 6 months.
Once these are added, what is the total amount of data from all the sequencers they can expect to add per month?

• A.14.4 TB
• B.1.2 TB
• C.4.8 TB
• D.9.6 TB

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