From owner-freebsd-fs@FreeBSD.ORG Thu Dec 29 22:19:50 2011 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id B35BF1065670 for ; Thu, 29 Dec 2011 22:19:50 +0000 (UTC) (envelope-from ufs.user@yahoo.com) Received: from nm20.bullet.mail.ac4.yahoo.com (nm20.bullet.mail.ac4.yahoo.com [98.139.52.217]) by mx1.freebsd.org (Postfix) with SMTP id 661A58FC08 for ; Thu, 29 Dec 2011 22:19:50 +0000 (UTC) Received: from [98.139.52.188] by nm20.bullet.mail.ac4.yahoo.com with NNFMP; 29 Dec 2011 22:19:49 -0000 Received: from [98.139.52.165] by tm1.bullet.mail.ac4.yahoo.com with NNFMP; 29 Dec 2011 22:19:49 -0000 Received: from [127.0.0.1] by omp1048.mail.ac4.yahoo.com with NNFMP; 29 Dec 2011 22:19:49 -0000 X-Yahoo-Newman-Property: ymail-3 X-Yahoo-Newman-Id: 781122.17474.bm@omp1048.mail.ac4.yahoo.com Received: (qmail 55563 invoked by uid 60001); 29 Dec 2011 22:19:49 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s1024; t=1325197189; bh=Ufiar4Gpr3bSzWhedowq10tKxK0YMb3gA5g5IQ5mV+g=; h=X-YMail-OSG:Received:X-Mailer:References:Message-ID:Date:From:Reply-To:Subject:To:In-Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding; b=HiTGOrtaDBzRVEdJXnK5c5KEeXjFRM1x8B0G9pYK7WJxviUSvfJCOJ6IxKkwmAdAmhlaoAhbyLGUrtWb7Z6g2+zELIjkZ8HFDkX669s0bS7C6r0gimDuwAqmVCK5TnMpK+qil+C4UpFzl+9sOFoFcREyMSvcn3+85nRpC3A41NM= DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=X-YMail-OSG:Received:X-Mailer:References:Message-ID:Date:From:Reply-To:Subject:To:In-Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding; b=jpkcLFxW1gK+DHfWkipHa5mM3MoIn0lw5OPp+mePm+KeUqku0pSFBvwCdWNHAMGM0JWRY+5LW6Z8e2N73MJzVLrt1KmvdIQZI24IKwE5yJc9QLtz1Af+WEoHhIFBxAME3X0bBnyjSRxRMJWV8dN1g1OLnb32iicXf3rh0GW6G8A=; X-YMail-OSG: AzpA9tcVM1nGnLc3UKQ6YdQj4fcqaM5CYYS9g.aGjOuA9ss _cOjP9J2Jj_0C0Yay1llRD9p6Pv0gJWf5oEHv7dmFX6ASXjNsDacBeCMZF8F xVgxX3tMZAQc28V1Gx_lBWyKIOr4D5Qtw9d3ubsH8n_1ZnsHy9HmMVMEtYyi Q2XGM7Mm3xf0770VBVdJFk.0aBZ5fkJLZN5K1OhcwaZIIgHtHSjXfNBkbkHz SiQdV0AU1S2kksCAY4mVygvzJ1gMpKNlrxomV7lV57EJ0LN.B7.FYdZMYMgS 4BWWO2mmrlLmrCn9A3_uVUyEm5pKuZuIZGkxF_H4Ay_kmqbOpSoqo0owRxKp uo61j2hSOlRV27h5m41FiOqfWGs2yONL5WLpumwP9HawdsedZop3EBfXvkPU H1b_n Received: from [24.179.213.102] by web140413.mail.bf1.yahoo.com via HTTP; Thu, 29 Dec 2011 14:19:49 PST X-Mailer: YahooMailWebService/0.8.115.331698 References: <1325190659.66676.YahooMailNeo@web140408.mail.bf1.yahoo.com> <20111229214059.GA4452@icarus.home.lan> <1325197128.44125.YahooMailNeo@web140420.mail.bf1.yahoo.com> Message-ID: <1325197189.54564.YahooMailNeo@web140413.mail.bf1.yahoo.com> Date: Thu, 29 Dec 2011 14:19:49 -0800 (PST) From: UFS User To: "freebsd-fs@freebsd.org" In-Reply-To: <1325197128.44125.YahooMailNeo@web140420.mail.bf1.yahoo.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Subject: RE: Painted into a corner with i386 system and big FS ... X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: UFS User List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 29 Dec 2011 22:19:50 -0000 =0A=0AThanks for this response - see comments below...=0A=0A=0A=0A=0A> It a= ppears that this is impossible to fsck - I have nudged up maxdsiz all the w= ay to:=0A> kern.maxdsiz=3D"3072000000"=0A> =0A> and it's not enough. ?Any l= arger values cause the system to become unbootable.=0A> So, my plan is to b= oot 8.x amd64 FIXIT, and run fsck from the fixit environment.=0A> The issue= s I foresee are:=0A> =0A> 1. Do I need to specify a maxdsiz in the 8.x fixi= t environment, or does this all just autoscale=0A> these days ?=0A=0A=0A> I= t does not autoscale.=A0 You will need to set it manually at the loader=0A>= prompt by entering 'set kern.maxdsiz=3D"3072000000"' then 'boot'.=0A=0A=0A= =0AOk, great. =A0And it's the same old process:=0A=0AType '?' for a list of= commands, 'help' for more detailed help.=0AOK set=A0kern.maxdsiz=3D"357200= 0000"=0AOK boot=0A=0AYes ?=0A=0A=0A> 2. There is only 4 GB of physical in t= he system ... if I could grow to 3.072 GB process size in=0A> i386, then al= l else being equal, I should be able to grow to 3.5 in 8.x FIXIT, right ?= =0A=0A=0A(snip)=0A=0A=0A>The 3.5GB value you came up with is equally as amu= sing.=A0 How much you=0A>actually get greatly varies on hardware details an= d so on.=A0 Your=0A>motherboard manufacturer should be able to tell you how= much you'll get,=0A>as long as you provide them a full list of any PCI/PCI= -X/PCIe devices=0A>you have installed in slots, and any system features you= have enabled=0A>(AHCI, on-board SCSI, etc.).=0A=0A=0A=0AOh, sorry for the = confusion - the installed OS is freebsd i386, BUT the underlying system is = in fact a 64bit system.=0A=0AIt is the physical inaccessibility, and other = logistical issues that prevent us from just upgrading the entire OS, etc.= =0A=0ASo I will boot amd64 FreeBSD 8.x FIXIT, and will be running in a prop= er amd64 architecture, but the limitation is I=0Aonly have 4 GB physical ra= m.=0A=0ASo I am hoping that, all else being equal, if i386 can only see (fr= om dmesg):=0A=0Areal memory =A0=3D 3489071104 (3327 MB)=0Aavail memory =3D = 3414245376 (3256 MB)=0A=0Athen an amd64 system would see (roughly) 500 mega= bytes more memory than that, and the 3.072 GB process size I get on i386=0A= will then be (roughly) 3.572 on amd64.=0A=0AA reasonable guess ?=0A=0AI hop= e I don't have to swap, but if I do, presumably this will only grow to 3.8 = or 4.0 or 4.2 GB in process size, so that's just the last 1/8 of the job=0A= that will be slow...=0A=0AThanks again.=0A