From owner-freebsd-scsi  Wed Aug  1  8:49:24 2001
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Date: Wed, 1 Aug 2001 08:48:52 -0700 (PDT)
From: Matthew Jacob <mjacob@feral.com>
Reply-To: <mjacob@feral.com>
To: "Justin T. Gibbs" <gibbs@scsiguy.com>
Cc: "Jose M. Alcaide" <jose@we.lc.ehu.es>, <scsi@FreeBSD.ORG>
Subject: Re: DLT 4000 throughput and cstream 
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On Tue, 31 Jul 2001, Justin T. Gibbs wrote:

> >It does indeed look like this *might* be a dump issue- but it also could
> >simply be that any single threaded action for dump(8) is going to make for
> >lousy performance.
>
> Dump has lots of issues.  I once talked with John Polstra about fixing it.
> The scheme we talked about would have increased dumps performance by ~10X.
> Unfortunately the funding for that project (at my former employer) dried up.

Was this was for implementing the async i/o stuff that Solaris used?


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