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  3. July 2002

Re: disk arms (was RE: Tips for user ASP)

On Mon, 1 Jul 2002, Vernon Hamberg wrote:

> I was under the impression that there is some benefit from asynchronous
> writes with mirrored sets. Which ever set is free gets the first write, the
> other follows when it can. More queues to handle the requests.

As I understand things the write is not complete until both sides of the
mirror have been written to.  Otherwise you don't really have mirroring,
do you?  But a read completes as soon as either side can fulfill the
request.

James Rich

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