From owner-freebsd-questions Sun Apr 23 19:31:27 2000 Delivered-To: freebsd-questions@freebsd.org Received: from freebie.lemis.com (freebie.lemis.com [192.109.197.137]) by hub.freebsd.org (Postfix) with ESMTP id 595CA37B735 for ; Sun, 23 Apr 2000 19:31:22 -0700 (PDT) (envelope-from grog@freebie.lemis.com) Received: (from grog@localhost) by freebie.lemis.com (8.9.3/8.9.0) id MAA13566; Mon, 24 Apr 2000 12:01:19 +0930 (CST) Date: Mon, 24 Apr 2000 12:01:19 +0930 From: Greg Lehey To: Lanny Baron Cc: questions@FreeBSD.ORG Subject: Re: SNP & RAID Message-ID: <20000424120119.A12676@freebie.lemis.com> References: <200004230624.CAA25487@freedom.cybertouch.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 1.0pre2i In-Reply-To: <200004230624.CAA25487@freedom.cybertouch.org> Organization: LEMIS, PO Box 460, Echunga SA 5153, Australia Phone: +61-8-8388-8286 Fax: +61-8-8388-8725 Mobile: +61-418-838-708 WWW-Home-Page: http://www.lemis.com/~grog X-PGP-Fingerprint: 6B 7B C3 8C 61 CD 54 AF 13 24 52 F8 6D A4 95 EF Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Sunday, 23 April 2000 at 2:27:42 -0400, Lanny Baron wrote: > Hello, > Can I get some information with respect to SNP and how well FreeBSD can > handle up to 8 processors. You mean SMP (symmetrical multiprocessing)? It depends on what you want to do. The big limitation is the giant kernel lock which only allows one processor to run in kernel mode at any one time. Depending on your application, this may make no difference at all, or it may completely bog it down. > Would anyone know what RAID cards are supported. Take a look at the release notes, for example http://www.freebsd.org/releases/4.0R/notes.html. > Someone sent me mail saying that only Vinum will work. Don't rely on "someone". Greg -- When replying to this message, please copy the original recipients. For more information, see http://www.lemis.com/questions.html Finger grog@lemis.com for PGP public key See complete headers for address and phone numbers To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message