Date: Wed, 12 Jan 2000 20:42:28 -0200 From: Gustavo V G C Rios <grios@ddsecurity.com.br> To: Olaf Hoyer <ohoyer@fbwi.fh-wilhelmshaven.de> Cc: freebsd-hardware@FreeBSD.ORG Subject: Re: hardware Message-ID: <387D0354.63159B8@ddsecurity.com.br> References: <4.1.20000112194049.009b7ba0@mail.rz.fh-wilhelmshaven.de>
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Olaf Hoyer wrote: > >If adaptec 3950U2W is not supported by FreeBSD 3.4Stable, i am > >considering using 2940U2W. > >I would like to hear from you, what options on hard disk i have (Ones > >that delivers 80MB/s) and how success you have gotten using them. > > No actual HDD thats available does 80 MB/sec. the fastest ones (like the > Barracuda series or Atlas or DRVS) do about 20 MB/sec under best > circumstances, regarding the mechanical parts of them. electronic transfer > (drive chache on electronic to PCI/main memory) of course is much faster. > The only drives that could be able to delever that as a single drive are > the solid state HDDs, mainly consisting of RAM chips... > This money nowadays is mostly better spent in better mainboard with larger > amount of RAM. > The 80 MB/sec make sense regarding a RAID config or simply some (3-4) > drives being used at the same time, like in a file server without RAID, or > in a workstation which does some multimedia stuff, because the drives share > the total bandwidth of the controller. Oops! So i cannot understand, take a closer look: http://www.seagate.com/cda/products/discsales/marketing/detail/0,1121,43,00.shtml May anyone here explain me this ? Thanks for your time and cooperation (and for patience too). To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hardware" in the body of the message
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