Date: Fri, 19 Aug 2011 16:31:14 -0400 From: Gary Palmer <gpalmer@freebsd.org> To: Robert Watson <rwatson@FreeBSD.org> Cc: Pieter de Goeje <pieter@degoeje.nl>, Lev Serebryakov <lev@freebsd.org>, freebsd-arch@freebsd.org Subject: Re: FreeBSD problems and preliminary ways to solve Message-ID: <20110819203114.GF88904@in-addr.com> In-Reply-To: <alpine.BSF.2.00.1108191946210.58323@fledge.watson.org> References: <slrnj4oiiq.21rg.vadim_nuclight@kernblitz.nuclight.avtf.net> <810527321.20110819123700@serebryakov.spb.ru> <201108191401.23083.pieter@degoeje.nl> <425884435.20110819175307@serebryakov.spb.ru> <20110819172252.GE88904@in-addr.com> <alpine.BSF.2.00.1108191946210.58323@fledge.watson.org>
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On Fri, Aug 19, 2011 at 07:49:37PM +0100, Robert Watson wrote: > >- improved driver support: a lot of users would benefit > > For server/appliance-centric devices, we're going quite well. For consumer > devices, less so. However, it's generally the case that things have > dramatically improved in the last ten years: companies come to us with > drivers now, asking how to get them merged, and frequently their developers > get commit bits and maintain them in-tree even. Compare this to 2000 when > we had hacked up Intel device drivers, and other than Adaptec, almost no > storage vendors closely involved in the project. While on the most part I agree with the fact that a fair number of server chips and chipsets are supported I think we are still missing key components for truly reliable and scalable systems, including SAN multipath support (yes, we have primitive support but it doesn't know about limitations of different systems, e.g. HP EVA 5000s which do a LUN failover if you query the LUN down the wrong path. Yes, the EVA 5000 is an EOL system but its an example of the issues a proper multipath solution should solve. I mean no offense to the authors of the current code either). IPMI boards/interfaces seems to be a constant problem and I'm not entirely sure we have a good handle on SERDES support for NICs in blade systems. Does the project or the foundation make any effort to directly engage with manufacturers to ensure we have robust support for their products? Gary
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