From owner-freebsd-alpha Tue Aug 24 16:19:50 1999 Delivered-To: freebsd-alpha@freebsd.org Received: from mail11.digital.com (mail11.digital.com [192.208.46.10]) by hub.freebsd.org (Postfix) with ESMTP id F157714F7D for ; Tue, 24 Aug 1999 16:19:46 -0700 (PDT) (envelope-from mikel@zso.dec.com) Received: from slugbt.zso.dec.com (slugbt.zso.dec.com [16.64.0.18]) by mail11.digital.com (8.9.2/8.9.2/WV2.0g) with SMTP id TAA30119; Tue, 24 Aug 1999 19:17:07 -0400 (EDT) Received: from jupiter.zso.dec.com by slugbt.zso.dec.com (5.65v4.0/DECwest-OSF-Nov-11-93) Date: Tue, 24 Aug 1999 16:17:05 -0700 Message-Id: <9908242317.AA02428@slugbt.zso.dec.com> To: dg@root.com Cc: tlambert@primenet.com, freebsd-alpha@FreeBSD.ORG In-Reply-To: <199908242008.NAA15663@implode.root.com> (message from David Greenman on Tue, 24 Aug 1999 13:08:01 -0700) Subject: Re: Clustering? From: mikel@zso.dec.com (Mike Lempriere) Reply-To: mikel@zso.dec.com (Mike Lempriere) Sender: owner-freebsd-alpha@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org Ideally it would have live shared access... However, I'd be happy to get minimal one-or-the-other functionality like Wolfpack does. I run a small-time website hosting business off a FreeBSD server, and something as crude as this would be a big improvement over the current mechanism where on failure, I'd have to physically swap the drive cable to a partner machine and boot it. > To: Terry Lambert > Cc: mikel@zso.dec.com, freebsd-alpha@FreeBSD.ORG > Subject: Re: Clustering? > From: David Greenman > Reply-To: dg@root.com > Date: Tue, 24 Aug 1999 13:08:01 -0700 > Sender: dg@implode.root.com > > >> FreeBSD doesn't support shared filesystems. You would need to add support > >> for that into FFS and presumably get or implement a distributed lock manager. > > > >The David Sarnoff stuff supports this. It would not be too > >difficult to hack up the disctubted memory coherency manager > >to use low level SCSI I/O primitives to support this. > > I thought the Sarnoff stuff was a DSM implementation. If so, then it's not > what we're talking about (shared access to filesystems). > > -DG > > David Greenman > Co-founder/Principal Architect, The FreeBSD Project - http://www.freebsd.org > Creator of high-performance Internet servers - http://www.terasolutions.com > Pave the road of life with opportunities. > > > -- *** Due to layoffs, I will lose my old zso.dec.com address as of *** *** 07-Sep-1999. Please update your address book entry for me. *** Pacific NorthWest wine, blues, jazz info; http://vintners.net/~mikel Mike Lempriere-Home: mikel@vintners.net WA State resident-junk email prohibited by law: RCW19.190 & RCW19.86 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message