Lecture14 - COP 4600 Operating Systems Fall 2010 Click to edit Master subtitle style Dan C Marinescu Office HEC 439 B Office hours Tu-Th 3:30-4:30

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Click to edit Master subtitle style 8/1/11 Lecture 14 COP 4600 Operating Systems Fall 2010 Dan C. Marinescu Office: HEC 439 B Office hours: Tu-Th 3:30-4:30 PM
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Lecture 14 8/1/11 n Last time: n Presentation of the RPC paper by Birell. n Domain Name Service (DNS) Peer-to-peer systems n Remote Procedure Calls n Today: n NFS (Network File System) n Virtualization: Threads, Virtual memory, Bounded buffers.Virtual Links ¨ Next time n Threads Lecture 14 – Thursday October 7, 2010 22
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Lecture 14 8/1/11 Why file handles and not path names --------------------------------- Example 1 ------------------------------------------------ Program 1 on client 1 Program 2 on client 2 CHDIR (‘dir1’) RENAME(‘dir1’,’dir2) RENAME(‘dir3’,’dir1’) READ(fd,buf,n) To follow the UNIX specification if both clients would be on the same system client1 would read from dir2.f. If the inode number allows the client 1 to follw the same semantics rather than read from dir1/f
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This note was uploaded on 07/30/2011 for the course COP 4600 taught by Professor Montagne during the Spring '08 term at University of Central Florida.

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Lecture14 - COP 4600 Operating Systems Fall 2010 Click to edit Master subtitle style Dan C Marinescu Office HEC 439 B Office hours Tu-Th 3:30-4:30

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