Date: Sun, 07 May 2006 12:57:59 +0300 From: Yousef Raffah <yraffah@savola.com> To: freebsd-stable@freebsd.org Subject: Re: 6.0 RELEASE and Volume Managers Message-ID: <1146995879.814.30.camel@localhost.savola.com> In-Reply-To: <m3zmhuch5r.fsf@merlin.emma.line.org> References: <1146989147.814.18.camel@localhost.savola.com> <m3zmhuch5r.fsf@merlin.emma.line.org>
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[-- Attachment #1 --] On Sun, 2006-05-07 at 11:34 +0200, Matthias Andree wrote: > Yousef Raffah <yraffah@savola.com> writes: > > > I'm trying to install a new server which has a hardware RAID controller. > > Hardware RAID controllers such as amr(4) or twe(4) (I've seen LSI > MegaRAID SCSI 320-1 and 3Ware Escalade 8006-2 LP, the latter is a 2-port > SATA controller and can't do RAID5 for lack of ports) stuff usually > presents a whole logical unit as a single SCSI drive (/dev/da0 for the > first disk array, /dev/da1 for the second and so on), so you shouldn't > need vinum, geom or anything like that - just the driver would suffice. > > If you need vinum or geom to implement a RAID then chances are your > so-called "hardware RAID" is actually fake (fakeraid) and really > software RAID. Adaptec "HostRAID" and the RAID in intel's ICH x-R > chipsets falls into this fakeraid category. The vendors don't like to > present it as software RAID, so that particular bit is extremely hard to > find :-( > > What is the brand and model of your so-called hardware RAID? > The machine is a compaq server with Smart RAID controller -- Sincerely, Yousef Raffah Senior Systems Administrator -- Aren't you using Firefox? Get it at http://www.getfirefox.com [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2.2 (FreeBSD) iD8DBQBEXcSnH9IXMb4e6CMRAmcsAJ45RNsQBoiUkFP7w1Yb2qMPsWYnPACeKHwD TZJQ9f0K1Bc2eCotJ/oyeGw= =FJZH -----END PGP SIGNATURE-----
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