Date: Wed, 12 Aug 1998 10:38:13 +0930 From: Greg Lehey <grog@lemis.com> To: Scott Leutenegger <leut@cs.du.edu>, freebsd-questions@FreeBSD.ORG Subject: Re: raw disk question Message-ID: <19980812103813.X22754@freebie.lemis.com> In-Reply-To: <Pine.SOL.3.96.980811172046.20645A-100000@chocolate>; from Scott Leutenegger on Tue, Aug 11, 1998 at 05:21:57PM -0600 References: <Pine.SOL.3.96.980811172046.20645A-100000@chocolate>
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On Tuesday, 11 August 1998 at 17:21:57 -0600, Scott Leutenegger wrote: > Hi, > > Want to help convert a solaris user to FreeBSD? > > Question: Does FreeBSD support raw disks access? Yes. > i.e. a read/write to/from disk does NOT access > the file cache in memory, but rather 100% of the > accesses go-to/come-from disk. > > If so, how do I create the raw disk partition? It's there already. For every cooked disk /dev/sd<foo>, you have a raw disk /dev/rsd<foo>. > Note: I am trying to decide whether to install solarix x86 or > FreeBSD on a cluster of PCs to build a parallel database > application (parallel multi-dimensional indexing) > I know solaris x86 supports this, but have been lead to believe > FreeBSD will be faster, easier to install/maintain, and > comes loaded with most of the software (gcc/g++/sockets/perl) I need. > (please correct me if I am wrong) That really depends on the database application. FreeBSD doesn't have kernel threads. Greg -- See complete headers for address and phone numbers finger grog@lemis.com for PGP public key To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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