From owner-freebsd-geom@FreeBSD.ORG Thu Jul 6 12:34:06 2006 Return-Path: X-Original-To: freebsd-geom@freebsd.org Delivered-To: freebsd-geom@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 3EB8416A4DE for ; Thu, 6 Jul 2006 12:34:06 +0000 (UTC) (envelope-from arne_woerner@yahoo.com) Received: from web30314.mail.mud.yahoo.com (web30314.mail.mud.yahoo.com [68.142.201.232]) by mx1.FreeBSD.org (Postfix) with SMTP id BC0FA43D46 for ; Thu, 6 Jul 2006 12:34:05 +0000 (GMT) (envelope-from arne_woerner@yahoo.com) Received: (qmail 26666 invoked by uid 60001); 6 Jul 2006 12:34:05 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=Message-ID:Received:Date:From:Subject:To:Cc:In-Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding; b=QVsLruksE6rbwOZtEoBfUS2V23O5jEzkUj+p9tyhztnJwB+PULKa2TVtWZ+jOK3kUb1wuDex19y7ggIvb5l389wR7zZEzkekf+mqN2gFPOO1tBHO2j328fzQF06zN+vyVDzmd3i/BmdmejxyAu3bZvug/r19fue9hV8JCNQJb1o= ; Message-ID: <20060706123405.26664.qmail@web30314.mail.mud.yahoo.com> Received: from [213.54.85.147] by web30314.mail.mud.yahoo.com via HTTP; Thu, 06 Jul 2006 05:34:05 PDT Date: Thu, 6 Jul 2006 05:34:05 -0700 (PDT) From: "R. B. Riddick" To: Eric Anderson In-Reply-To: <44ACFEAB.1020306@centtech.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Cc: freebsd-geom@freebsd.org Subject: Re: new class / geom_cache / request for comments X-BeenThere: freebsd-geom@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: GEOM-specific discussions and implementations List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 06 Jul 2006 12:34:06 -0000 --- Eric Anderson wrote: > Ok, I understand now. I could see this being useful for fsck's also. I > wonder if it's possible to have the cache distributed across multiple > machines? (just out of curiosity) > Hmm... In a read-only setting it should work with geom_gate: server A <--geom_gate--> (network-clone with geom_cache 1, ...) Since network-clones are not notified about BIO_WRITE commands of other such clones, the geom_cache would become inconsistent eventually... -Arne __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com