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Date:      Sat, 26 Jul 1997 22:54:49 -0400
From:      "Gary Palmer" <gpalmer@FreeBSD.ORG>
To:        Damian Hamill <damian@cablenet.net>
Cc:        freebsd-scsi@FreeBSD.ORG
Subject:   Re: New DPT Driver 
Message-ID:  <21105.869972089@orion.webspan.net>
In-Reply-To: Your message of "Thu, 24 Jul 1997 11:42:24 BST." <33D73190.3B54AFBF@cablenet.net> 

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Damian Hamill wrote in message ID
<33D73190.3B54AFBF@cablenet.net>:
> I've answered this myself.  With an interleave factor of 16384 a copy of
> /usr to the ccd file system had all disk activity on drives 1 & 5.  With
> an interleave factor of 65536 the activity was spread around all 8
> drives.

A file copy is nowhere near the sort of test you wish to perform if
you want to simulate a news server. In fact, the only *RELIABLE* test
I have heard of to date is to run a news server for a few days at each
stripe setting and see. The loading is just too difficult to simulate

Gary
--
Gary Palmer                                          FreeBSD Core Team Member
FreeBSD: Turning PC's into workstations. See http://www.FreeBSD.ORG/ for info



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