>Hi folks,
> After reading the article at http://www.kerneltrap.com/article.php?sid=415&mode=thread&order=0
>on the FreeBSD guys finding a bunch of NFS bugs with a stress tool,
>I took a look at fsx and played with it a little under Linux..
>
>The changes to make it work are trivial, and are at
>http://www.codemonkey.org.uk/cruft/fsx-linux.c
>(non-existant include & expected mmap() behaviour differences)
>
>I've done a few tests on local filesystems, and so far Ext2 & Ext3
>seem to be holding up..
>
>Reiserfs however dies very early into the test..
>
> truncating to largest ever: 0x3f15f
> READ BAD DATA: offset = 0x1d3d4, size = 0x962f
> OFFSET GOOD BAD RANGE
> 0x1d3d4 0x177d 0x0000 0x 563
> operation# (mod 256) for the bad data unknown, check HOLE and EXTEND ops
>
>Options used were ./fsx -c1234 /mnt/test/testfile
>(Although it seems to crash with any -c option)
>
>Looks like an interesting tool, and probably something that should
>be added to testsuites like Cerberus.
>
>regards,
>Dave.
>
Thanks Dave, Elena and Nikita and Green, take a look at this.
Hans
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