I/O problem with sustained writes

[Collectively Unconscious]

We are having a problem with writes.
They start at 14 M/s for the first hour and then drop to 2.5 M/s and stay
that way. Reads do not seem effected and we've noticed this on the 2.2.16,
2.2.17, 2.2.18 and now the 2.2.19pre11 kernels.

These are SMP P-IIIs from 450 to 800 MHz. Redhat 6.2

Jay

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