Date: Sun, 30 May 2004 23:39:04 +1000 From: Michael Vince <michael@roq.com> To: Vasenin Alexander aka BlackSir <blacksir@number.ru> Cc: Maksymilian Wrzesinski <mcson@obta.uw.edu.pl> Subject: Re: raid backup Message-ID: <40B9E3F8.1020301@roq.com> In-Reply-To: <NKEJKOHEKMBIMCCEHEPKGEFNCNAA.blacksir@number.ru> References: <NKEJKOHEKMBIMCCEHEPKGEFNCNAA.blacksir@number.ru>
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Vasenin Alexander aka BlackSir wrote: > I'm watched nearly same thing yesterday and found, that all cheap solutions is the so-called HostRAID, that are software or > semi-software implementations of RAID. So, their "RAID" ability supported only by M$ Window$. Under FreeBSD they work as normal > IDE/SCSI/SATA controllers. I've tested yesterday one of them - Adaptec on AIC 7899 chip. Take a look at hardware notes on 4.10, for > example "Promise Fasttrak-33, -66, -100, -100 TX2/TX4, -133 TX2/TX2000" - noone except Promise calls it RAID... > Vasenin Alexander aka BlackSir Yep thats what I have largely thought until I started to come across things like this. http://www.techno-obscura.com/~delgado/notes/fbsd-ich5SATAraid.html Using the atacontrol he cliams its "sort of hot swappable" I dont know if you can call it hardware raid but it certainly sounds hardware raidish enought for me to be happy with it... "atacontrol is a tool that has been kicking around in FreeBSD for a while, but I hadn't tried it because it seemed to be directed at managing other hardware ATA RAID setups. However, it ends up that this works like a charm (just about) with the built in goods." >>-----Original Message----- >>From: owner-freebsd-isp@freebsd.org [mailto:owner-freebsd-isp@freebsd.org]On Behalf Of Michael Vince >>Sent: Saturday, May 29, 2004 2:03 PM >>Cc: freebsd-isp@freebsd.org; freebsd-performance@freebsd.org; Maksymilian Wrzesinski >>Subject: Re: raid backup >> >>Looking around on the net and FreeBSD archives it looks like if you want >>cheap ATA Raid now go with either a Intel motherboard with ICH5 or >>Promise SATA TX2/TX4 >>The performance of the Intel ICH5 looks very good with low CPU >>utilization (well from what benchmarks in running from MS windows suggest) >>I haven't found any clear documentation on what can and cant be used. > >
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