On 2/9/07, J. Scott Kasten <jscottkasten@...> wrote:
> I'm interested in your data point. Do you happen to remember about which
> kernel that was? There was some general badness that affected multiple
> file systems in late 2.6.13 on into 2.6.14 or so in the way that you
> describe. Not sure they ever really knew what the smoking gun was.
> Used JFS for about 6 months with the gentoo mips 2.6.13 kernel and did
> not find any issues. Briefly with Sparc32, but don't remember
> which kernel. On Intel, I've done extensive regressions with it.
> If anyone is interested, I have a thrasher script written specifically for
> this purpose. It's a multi-threaded ruby script that creates a randomized
> directory tree, with random files, containing random data. A CRC check is
> kept on each file. The threads run in parallel rewriting data in the
> middle of files, truncating, resizing, creating voids, forcing the file
> system into writing multiple extents, exercising tail packing, unlinking
> files with open handles, etc...
> On Fri, 9 Feb 2007, Alex Deucher wrote:
> > On 2/9/07, J. Scott Kasten <jscottkasten@...> wrote:
> > Be careful. I tried to use JFS on some sparc boxes, and ran into some
> > subtle bugs that no one seemed to be able to solve that led to
> > filesystem corruption: things like disappearing/reappearing files and
> > directories. On the other hand I've had no problems with JFS on AMD64
> > or x86.
> > Alex
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