From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Garzik Subject: Re: Integration of SCST in the mainstream Linux kernel Date: Tue, 05 Feb 2008 14:12:16 -0500 Message-ID: <47A8B510.8000807@garzik.org> References: <1201639331.3069.58.camel@localhost.localdomain> <47A05CBD.5050803@vlnb.net> <47A7049A.9000105@vlnb.net> <1202139015.3096.5.camel@localhost.localdomain> <47A73C86.3060604@vlnb.net> <1202144767.3096.38.camel@localhost.localdomain> <47A7488B.4080000@vlnb.net> <1202145901.3096.49.camel@localhost.localdomain> <1202151989.11265.576.camel@haakon2.linux-iscsi.org> <20080204224314.113afe7b@core> <47A79A10.4070706@garzik.org> <47A8B29B.8050406@vlnb.net> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from srv5.dvmed.net ([207.36.208.214]:45668 "EHLO mail.dvmed.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751234AbYBETM0 (ORCPT ); Tue, 5 Feb 2008 14:12:26 -0500 In-Reply-To: <47A8B29B.8050406@vlnb.net> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Vladislav Bolkhovitin Cc: Alan Cox , Mike Christie , linux-scsi@vger.kernel.org, Linux Kernel Mailing List , "Nicholas A. Bellinger" , James Bottomley , scst-devel@lists.sourceforge.net, Andrew Morton , Linus Torvalds , FUJITA Tomonori Vladislav Bolkhovitin wrote: > Jeff Garzik wrote: >> iSCSI is way, way too complicated. > > I fully agree. From one side, all that complexity is unavoidable for > case of multiple connections per session, but for the regular case of > one connection per session it must be a lot simpler. Actually, think about those multiple connections... we already had to implement fast-failover (and load bal) SCSI multi-pathing at a higher level. IMO that portion of the protocol is redundant: You need the same capability elsewhere in the OS _anyway_, if you are to support multi-pathing. Jeff