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Lesson Review

1.Name four factors that determine disk drive performance.
2.What are RAIDS and what do they do?
3.List a few RAID levels used for video editing.
4.What are the three main storage architectures?
5.Do SANs allow volume-level or file-level locking?
6.What determines the minimal performance you need in your storage?
7.What does storage capacity depend on?

Answers

1.Rotation rates, latencies, buffer sizes, and connection interfaces.
2.RAIDs are disk arrays used to improve performance and provide redundancy.
3.RAID levels 0, 3, and 5 are good for video, and Apple’s Xserve RAID is optimized for RAID 5.
4.Direct-access storage, network attached storage, and storage area networks.
5.SANs allow either one, depending on the SAN architecture.
6.The number of simultaneous real-time streams you need to record or play, and the bit rates of those streams.
7.The amount of footage to be captured, as well as render files, intermediate or temporary rendered timelines, graphics, and audio files.


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