Date: Mon, 04 Sep 2000 16:11:30 -0400 From: Mike Tancsa <mike@sentex.net> To: Mike Smith <msmith@FreeBSD.ORG> Cc: "FreeBSDHW" <freebsd-hardware@FreeBSD.ORG> Subject: Re: Problems installing 4.1 on 3ware RAID 5200 & 6200 Message-ID: <4.2.2.20000904160941.07469d88@mail.sentex.net> In-Reply-To: <200009042017.NAA05211@mass.osd.bsdi.com> References: <Your message of "Mon, 04 Sep 2000 15:38:34 EDT." <4.2.2.20000904152548.03405b38@mail.sentex.net>
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At 01:17 PM 9/4/2000 -0700, Mike Smith wrote:
> > >Newfs doesn't use aligned buffers...
> >
> > Thanks for pointing this out. One thing that is not clear to me, how does
> > this explain the very poor performance in bonnie ? If the poor bonnie
> > results were being triggered by the alignment problem, would it not show
> > equally poor results in RAID0 mode as well ?
>
>If the array was still initialising, bonnie's results would be pretty
>terrible as well. Try creating an array and rebooting when it starts the
>profiling pass, and see if it fares any better for you.
Actually, I inadvertently did this without any noticeable results.
---Mike
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Mike Tancsa, tel +1 519 651 3400
Network Administration, mike@sentex.net
Sentex Communications www.sentex.net
Cambridge, Ontario Canada www.sentex.net/mike
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