1) What are the three major performance metrics regarding file systems? (2) The
ID: 3721045 • Letter: 1
Question
1) What are the three major performance metrics regarding file systems? (2) The boot strap loader in MBR is recoverable when its contents are comupt by some reason (but the MBR sector is physically intact), while the partition table in MBR is not. Why is the boot strap loader recoverable? (3) As we discussed in the classroom, the responsiveness and the determinism are in a trade-off relationship especially for non-periodic processes. What is the technique (a real-time scheduling algorithm) that can be used for solving the trade-off problem for non-periodic processes? 4) What does in "B+Tree" mean? What is it for? Make sure to answer both of the two questions 5) What are the primary advantages and disadvantages in "process cloning" (compared with "process migration")?Explanation / Answer
Solution:
Note: 1, 2, and are solved, please repost others.
1)
Three major performance metrics of a file system are:
2)
Master Boot Record is recoverable because of the below cases, since the memory areas are fixed so in some of the cases if the mapping is lost the MBR can be recovered just by reinitiating
4)
The + symbol is used to show the connection of the nodes since all the nodes or keys are placed at the last level of the tree and the root may be a leaf node or a node with two or more children.
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