EXERCISES
1. Which of the types of storage architectures discussed in this chapter would you expect to find in a large data center or server farm? What would be the problem with using one of the other architectures in the data center environment?
2. How many SCSI devices can be active after the arbitration phase has completed?
3. Suppose that during an asynchronous parallel SCSI data transfer, someone removes a USB drive that is the intended target of the transfer. How would the initiator know that the error has occurred during these phases:
Bus-free
Selection
Command
Data
Status
Message
Reselection
a) During which of the phases is it possible that good data may be written to the drive if the data transfer is a “write” operation?
b) If the ...
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