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Old 03-25-2011, 06:10 AM   #1
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Post read: Bad file descriptor


I am evaluating the pNFS performance; using the tool IOZONE-3.311-1.el4.rf.x86_64 on Fedora 14 operating system. While running tool at client, when it reaches the file size of 256MB for read operation it is giving the following error.

Error reading block 16460 7f7641b00000
read: Bad file descriptor

And the tool is getting terminated.
Old 03-26-2011, 03:23 PM   #2
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error happens if the file's size is smaller or equal to 1KB.
strace output shows that iozone is calling close() twice on the same fd
There seems to be a bug in iozone.
Old 03-28-2011, 02:23 AM   #3
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I did strace of my test but I didn't find any such thing.

Last edited by taousif; 03-30-2011 at 02:27 AM.


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