Date: Thu, 11 Oct 2001 23:09:49 +0200 (MET DST) From: Alexey Koptsevich <alex@astro.su.se> To: Scott Long <scott_long@btc.adaptec.com> Cc: scsi@freebsd.org Subject: Re: one array from both channels in Adaptec 3210S? Message-ID: <Pine.GSO.4.10.10110112308160.12138-100000@dioscuri.astro.su.se> In-Reply-To: <20011011123557.A406@hollin.btc.adaptec.com>
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> Yes it is. You cannot, however, create and array that spans multiple > adapters. That would be too much! :) > It follows the law of dimishing returns. Every disk that you add will > increase performance my a lower factor than the previous. You also > have to remember that performace is also based on the PCI bus and > the CPU on the controller. If the card is only in a PCI 33MHz/32Bit > slot, you can only get 132MB/s max (actually much less than that in > real life). And what is the throughput of 66MHz/32bit PCI on my Intel L440GX+ motherboard? > > Also, I guess there are no SCSI 320 RAID controllers? > > Coming soon.... Are there some announcements? Thanks, Alex To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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