Can you help decide on the RAID level to use – we are a media house and we use lot of graphics/video applications – we need large throughputs for videos to get played without any jitter and since we are in publishing business we can’t afford downtimes. Even if there is any downtime we would like our data to be quickly reconstructed and enable us to continue with out work in less time.

Q. The mean time to failure of a single disk is 200000 hrs. If an array of disks is using 5 such disks, the mttf of the array is

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Q. An array of disks is more likely to fail compared to a single disk. How is it that RAID arrays still manage to provide more data protection compared to a single disk?

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Q. Which of the following suffers from write hole problem?

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Q. If read and write performance is the only criterion, which would you choose?

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Q. Which one of the following is an invalid RAID level?

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Q. Which of the following RAID levels guarantees double disk failure protection?

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Q. Which of the following RAID levels are nested?

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Q. What is the name of raid module in a linux kernel?

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Q. What is the minimum number of disks needed for Raid level 5?

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Q. When one disk fails in a RAID 5 array with a hot spare, which one of the following statements is true?

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Q. When one disk fails in a RAID 5 array without a hot spare, which one of the following statements is true:

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Q. Which is the most common cause of soft errors in hardware?

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Q. If X is the MTBF of a system and Y is the failure rate of the system then which one is true?

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Q. Which one of the property is NOT a requirement for Fault Tolerance?

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Q. Which of the operating system architecture is suitable for FT based systems?

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Q. The common mechanism used to find latent failure in memory modules:

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Q. Which one of the availability criteria is optimal for carrier grade class systems?

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Q. MTTR is the best way to characterize

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Q. An “Inode” represents

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Q. Journaling is preferred for

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Q. Can you help decide on the RAID level to use – we are a media house and we use lot of graphics/video applications – we need large throughputs for videos to get played without any...

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