Re: end to end error recovery musings

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> I think that this is mostly true, but we also need to balance this against the 
> need for higher levels to get a timely response.  In a really large IO, a naive 
> retry of a very large write could lead to a non-responsive system for a very 
> large time...

And losing the I/O could result in a system that is non responsive until
the tape restore completes two days later....

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