题目	题型
Consider a file system that uses a modifed contiguous-allocation scheme with support for extents. A file is a collection of exte	问答
What are the advantages of the variation of linked allocation that uses a FAT to chain together the blocks of a file?	问答
Consider a system where free space is kept in a free-space list. a. Suppose that the pointer to the free-space list is lost. Ca	问答
Some file systems allow disk storage to be allocated at different levels of granularity. For instance, a file system could alloc	问答
Discuss how performance optimizations for file systems might result in difficulties in maintaining the consistency of the system	问答
Consider a file system on a disk that has both logical and physical block sizes of 512 bytes. Assume that the information about	问答
Fragmentation on a storage device could be eliminated by recompaction of the information. Typical disk devices do not have reloc	问答
In what situations would using memory as a RAM disk be more useful than using it as a disk cache?	问答
Consider the following augmentation of a remote-file-access protocol. Each client maintains a name cache that caches translation	问答
Explain why logging metadata updates ensures recovery of a file system after a file system crash.	问答
Consider the following backup scheme: • Day 1. Copy to a backup medium all files from the disk. • Day 2. Copy to another mediu	问答

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