Unformatted text preview: 11. Describe the difference between the metadata and U0 server for a parallel file system, and list
one reason for separating these functionalities. (10 points} The metadata server act as a single int of authority for mappi ﬁle pathnames to llO servers and devices. It also
manages ﬁle system locks and seria ize critical opersations, suc as create and deletions. The IIO server stripes data accross multiple servers which allows for parralel reads. The IIO server focuses on the data as the metadata server
focuses on keeping track of where the data is and locks on the data. One reason for separatirzg the servers is because the overhead of metadata operations can slow I! O servers down and Overloaded I! O
servers can really slow the metadata operations. ...
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- Fall '16