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Date:      Wed, 04 Mar 1998 17:35:56 -0800 (PST)
From:      Simon Shapiro <shimon@simon-shapiro.org>
To:        Remy NONNENMACHER <remy@synx.com>
Cc:        hackers@FreeBSD.ORG, Terry Lambert <tlambert@primenet.com>
Subject:   Re: Disk write caches
Message-ID:  <XFMail.980304173556.shimon@simon-shapiro.org>
In-Reply-To: <Pine.A32.3.91.980304110716.16895C-100000@rs1>

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On 04-Mar-98 Remy NONNENMACHER wrote:
 ...

> Not sure IMHO. Typical wait time before write starts is 20 to 50 ms or 
> half the internal disk buffers. Far less than sync daemon.

Get a caching controller, they start at $250.00 for IDE ones.  I measure
2us or less for a cache hit to such controller.

I agree that RAID-0 could (should) be viewed as throw away any to the wind
in the name of performance.

----------


Sincerely Yours, 

Simon Shapiro
Shimon@Simon-Shapiro.ORG                      Voice:   503.799.2313

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