From owner-freebsd-fs@FreeBSD.ORG Thu Dec 29 20:43:38 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 E9176106564A for ; Thu, 29 Dec 2011 20:43:38 +0000 (UTC) (envelope-from ufs.user@yahoo.com) Received: from nm29.bullet.mail.ac4.yahoo.com (nm29.bullet.mail.ac4.yahoo.com [98.139.52.226]) by mx1.freebsd.org (Postfix) with SMTP id 733EE8FC19 for ; Thu, 29 Dec 2011 20:43:38 +0000 (UTC) Received: from [98.139.52.190] by nm29.bullet.mail.ac4.yahoo.com with NNFMP; 29 Dec 2011 20:30:59 -0000 Received: from [98.139.52.158] by tm3.bullet.mail.ac4.yahoo.com with NNFMP; 29 Dec 2011 20:30:59 -0000 Received: from [127.0.0.1] by omp1041.mail.ac4.yahoo.com with NNFMP; 29 Dec 2011 20:30:59 -0000 X-Yahoo-Newman-Property: ymail-3 X-Yahoo-Newman-Id: 647221.19022.bm@omp1041.mail.ac4.yahoo.com Received: (qmail 70799 invoked by uid 60001); 29 Dec 2011 20:30:59 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s1024; t=1325190659; bh=8yFXjLCG0OTjs8gMsbC2JTFyvbDABZSbCN6TWP6ghzQ=; h=X-YMail-OSG:Received:X-Mailer:Message-ID:Date:From:Reply-To:Subject:To:MIME-Version:Content-Type:Content-Transfer-Encoding; b=lSKavB+En+66r6GwtsxuzKDjsqzOxcZy1vk3vGDj/ggku6MD0g0ACtDIOGHuHocjx+Gs/LvsKQhxeCL8jxhqvt4XOggWsz9gRcSxUw2hybvWRjWRpJ6asq/Mq0CY2Y9ADalqgHHPMCGy9xDfo9K7XQBNdmex+KWXIzXE7cFPqec= DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=X-YMail-OSG:Received:X-Mailer:Message-ID:Date:From:Reply-To:Subject:To:MIME-Version:Content-Type:Content-Transfer-Encoding; b=II1aTgCWdsUyOItgn6807ym2IP//BIU1UPNkG4hfVjm85KTu6OMxNj0lW6ansfdrflv9Ae9MS+Ryhd6xipbxdoJKAvp8G9GHPIeYsv767bAzDb9jjMrAg37KwVLy9/8z1itWjBT07oIQbAYANFjUN64aYUTcStnnM09a7+dwLwU=; X-YMail-OSG: g6i83BYVM1m0_jvSd8TmCUvvJQIHHBkyYoV46rdF5Qc0cqL H.41SuWLKXsz4D1DowU4TfUTpmYhaNl4_rdan0mT82s78sGNhhoDjTR6xjvH Wnbdnled4Dwb1._1HA5FzFpwCZA7uOxl1wTYtAK0QyTf5UodmcSwTxMzD6kC GQZXPjyQeOl.U4422aTqBCQfvBB0v17JRMc949wEJ9ab8YPwl3ph.GhagvpP ABWJqzkJmubZbeys1MouGTQXd7Mxn0_b.E8unhDgPcUq5hrjce9PshnWWQDd OtyVovzmqO9Q0OhPof3nzxAUNYWSiV5j_5sROrvJkbGLrkxkLWe6ZbJLqTMC xWNyh.lIjUNLIq3An9CkmlEWJEFXRbL3DWeC4wfURwA-- Received: from [24.179.213.102] by web140408.mail.bf1.yahoo.com via HTTP; Thu, 29 Dec 2011 12:30:59 PST X-Mailer: YahooMailWebService/0.8.115.331698 Message-ID: <1325190659.66676.YahooMailNeo@web140408.mail.bf1.yahoo.com> Date: Thu, 29 Dec 2011 12:30:59 -0800 (PST) From: UFS User To: "freebsd-fs@freebsd.org" MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Subject: 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 20:43:39 -0000 I have an older i386 system with an 8TB filesystem on it, roughly 40 millio= n inodes.=0A=0AIt appears that this is impossible to fsck - I have nudged u= p maxdsiz all the way to:=0A=0Akern.maxdsiz=3D"3072000000"=0A=0A=0Aand it's= not enough. =A0Any larger values cause the system to become unbootable.=0A= =0ASo, my plan is to boot 8.x amd64 FIXIT, and run fsck from the fixit envi= ronment.=0A=0AThe issues I foresee are:=0A=0A1. Do I need to specify a maxd= siz in the 8.x fixit environment, or does this all just autoscale=0Athese d= ays ? =A0I'm hoping my process doesn't grow past 3.5 GB, but do I need to b= urn a=0Acustom fixit to do that ? =A0Or can I drop into the boot loader of = FIXIT and set a custom load=0Avalue ?=0A=0AOr perhaps I don't care at all a= nd maxdsiz will just auto-scale to however large the fsck gets ?=0A=0A=0A2.= There is only 4 GB of physical in the system ... if I could grow to 3.072 = GB process size in=0Ai386, then all else being equal, I should be able to g= row to 3.5 in 8.x FIXIT, right ?=0A=0A=0A3. If I get larger than 4 GB in am= d64, with a 4GB physical memory, I can always swap, right ?=0ABut where wou= ld I swap to ? =A0Maybe I could mount my /var (which is clean, and is 4 GB = in size)=0Aand swap to there ?=0A=0ACan I specify a file-backed swapfile in= FIXIT ?=0A=0A=0AAnything else I am missing ?=0A=0A=0AThanks.