access to hard drives is "blocked" by writes to a flash drive

[Poul-Henning Kamp]

In message <201303050840.r258egAG012697 at gw.catspoiler.org>, Don Lewis writes:

>For composite devices such as mirrors, using the first underlying device
>is probably a reasonable choice.  For more complicated cases, or to
>override the default, the syncer thread could be specified as a mount
>option.

I doubt that will be any better than what we have today.

I think it is a much better idea to have the syncer monitor bio write
latency and adjust accordingly.


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Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
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