TCP IP Illustrated

7ade svr4nfs 104 getattr svr4nfs

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Unformatted text preview: client is unaware of the problem, and the client application is not affected. file:///D|/Documents%20and%20Settings/bigini/Docu...homenet2run/tcpip/tcp-ip-illustrated/nfs_netw.htm (17 of 23) [12/09/2001 14.47.56] Chapter 29. NFS: Network File System On the client sun we start a cat of a long file (/usr/share/lib/termcap on the NFS server svr4), disconnect the Ethernet cable during the transfer, shut down and reboot the server, then reconnect the cable. The client was configured to read 1024 bytes per NFS read. Figure 29.9 shows the tcpdump output. 1 2 3 4 5 6 7 8 9 10 11 12 128 129 130 131 132 0.0 0.007653 0.0077) 0.009041 0.0014) 0.017237 0.0082) 0.018518 0.0013) 0.026802 0.0083) 0.028096 0.0013) 0.036434 0.0083) 0.038060 0.0016) 0.045821 0.0078) 0.050984 0.0052) 0.084995 0.0340) 3.430313 0.0013) 3.441828 0.0115) 4.125031 0.6832) 4.868593 0.7436) 4.993021 0.1244) sun.7ade > svr4.nfs: 104 getattr ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( svr4.nfs > sun.7ade: reply ok 96 sun.7adf > svr4.nfs: 116 lookup "share" svr4.nfs > sun.7adf: reply ok 128 sun.7ae0 > svr4.nfs: 112 lookup "lib" svr4.nfs > sun.7ae0: reply ok 128 sun.7ael > svr4.nfs: 116 lookup "termcap" svr4.nfs > sun.7ael: reply ok 128 sun.7ae2 > svr4.nfs: 104 getattr svr4.nfs > sun.7ae2: reply ok 96 sun.7ae3 > svr4.nfs: 116 read 1024 bytes @ 0 svr4.nfs > sun.7ae3: reply ok 1124 reading continues sun.7b22 > svr4.nfs: 116 read 1024 bytes @ 64512 svr4.nfs > sun.7b22: reply ok 1124 sun.7b23 > svr4.nfs: 116 read 1024 bytes @ 65536 sun.7b24 > svr4.nfs: 116 read 1024 bytes @ 73728 sun.7b23 > svr4.nfs: 116 read 1024 bytes @ 65536 file:///D|/Documents%20and%20Settings/bigini/Docu...homenet2run/tcpip/tcp-ip-illustrated/nfs_netw.htm (18 of 23) [12/09/2001 14.47.56] Chapter 29. NFS: Network File System 133 134 135 136 137 138 139 140 141 142 143 144 145 5.732217 ( 0.7392) 6.732084 ( 0.9999) 7.472098 ( 0.7400) 10.211964 ( 2.7399) 10.951960 ( 0.7400) 17.171767 ( 6.2198) 17.911762 ( 0.7400) 31.092136 (13.1804) 31.831432 ( 0.7393) 51.090854 (19.2594) 51.830939 ( 0.7401) 71.090305 (19.2594) 71.830155 ( 0.7398) 291.824285 ( 0.7400) 311.083676 168 (19.2...
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This test prep was uploaded on 04/04/2014 for the course ECE EL5373 taught by Professor Guoyang during the Spring '12 term at NYU Poly.

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