John A Chaves wrote:
> I didn't need to run a specific test for this. The normal workload of the
> machine approximates a continuous selftest for almost the last year.
>
> Large files (4-12GB is typical) are being continuously packed and unpacked
> with gzip and bzip2. Statistical analysis of the datasets is followed by
> verification of the data, sometimes using diff, or md5sum, or python
> scripts using numarray to mmap 2GB chunks at a time. The machine
> often goes for days with a load level of 20+ and 32GB RAM + another 32GB
> swap in use. It would be very unlikely for data corruption to go unnoticed.
>
> When I first got the machine I did have some problems with disks being
> dropped from the RAID and occasional log messages implicating the IOMMU.
> But that was with kernel 2.6.16.?, Kernels since 2.6.17 haven't had any
> problem.
>
Ah thanks for that info,.. as far as I can tell,.. this "testing
environment" should have found any corruptions I there had been any.
So I think we could take this as our first working system where the
issue don't occur although we would expect it...
Chris.
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n:Mitterer;Christoph Anton
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