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Operating Systems: Virtualization, Concurrency & Persistence

Simulator

Explore how a RAID simulator models common RAID levels, helping you understand logical to physical block mapping, disk access patterns, and performance impacts. Learn to simulate reads and writes across RAID 0, 1, 4, and 5, and analyze different workload scenarios to deepen your knowledge of redundant disk arrays.

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This section introduces raid.py, a simple RAID simulator you can use to shore up your knowledge ...

Terminal 1
Terminal
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It has a number of options, as we see below:

Usage: raid.py [options]

Options:

  -h, --help            show this help message and exit
  -s SEED, --seed=SEED  the random seed
  -D NUMDISKS, --numDisks=NUMDISKS
                        number of disks in RAID
  -C CHUNKSIZE, --chunkSize=CHUNKSIZE
...