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Ramon van Alteren wrote: > I'd like to report a situation which looks like a bug in the kernelbased > nfs server implementation. > > Based on responses from a different mailinglist and google I tried unfsd > the userspace nfsd implementation which appears to work fine (still > testing) The above test-case works for both loopback and remote > mounted filesystems. > > I'm not on the list so please CC me. unfsd appears to suffer from the same problem only it has a higher treshold for them to appear. We're seeing the same behaviour with larger files created. for i in `seq 1 10`; do dd count=400000 bs=1024 if=/dev/zero of=/root/test-tools/test.tst; ls -lha /root/test-tools/test.tst ; rm /root/test-tools/test.tst ; done 400000+0 records in 400000+0 records out dd: closing output file `/root/test-tools/test.tst': No space left on device -rw-r--r-- 1 root root 328K Feb 22 09:53 /root/test-tools/test.tst 400000+0 records in 400000+0 records out dd: closing output file `/root/test-tools/test.tst': No space left on device -rw-r--r-- 1 root root 176K Feb 22 09:53 /root/test-tools/test.tst 400000+0 records in 400000+0 records out dd: closing output file `/root/test-tools/test.tst': No space left on device -rw-r--r-- 1 root root 168K Feb 22 09:53 /root/test-tools/test.tst 400000+0 records in 400000+0 records out dd: closing output file `/root/test-tools/test.tst': No space left on device -rw-r--r-- 1 root root 176K Feb 22 09:53 /root/test-tools/test.tst A test with the same command directly onto the local filesystem runs without problems. for i in `seq 1 10`; do dd count=400000 bs=1024 if=/dev/zero of=/data/bonnie++/test.tst; ls -la /data/bonnie++/test.tst ; rm /data/bonnie++/test.tst ; done 400000+0 records in 400000+0 records out -rw-r--r-- 1 root root 409600000 Feb 22 09:59 /data/bonnie++/test.tst 400000+0 records in 400000+0 records out -rw-r--r-- 1 root root 409600000 Feb 22 09:59 /data/bonnie++/test.tst 400000+0 records in 400000+0 records out -rw-r--r-- 1 root root 409600000 Feb 22 09:59 /data/bonnie++/test.tst 400000+0 records in 400000+0 records out -rw-r--r-- 1 root root 409600000 Feb 22 09:59 /data/bonnie++/test.tst 400000+0 records in 400000+0 records out -rw-r--r-- 1 root root 409600000 Feb 22 10:00 /data/bonnie++/test.tst Any help would be much appreciated. Based on a comment from Lee Revell, I can reproduce the same behaviour with both sync & async options set on the nfs server (kernel and userspace) Regards, Ramon -- To be stupid and selfish and to have good health are the three requirements for happiness, though if stupidity is lacking, the others are useless. Gustave Flaubert - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||
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