From owner-freebsd-questions@FreeBSD.ORG Tue Apr 8 16:56:44 2008 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 8B48F1065670 for ; Tue, 8 Apr 2008 16:56:44 +0000 (UTC) (envelope-from josh@tcbug.org) Received: from conn-smtp.mc.mpls.visi.com (conn.mc.mpls.visi.com [208.42.156.2]) by mx1.freebsd.org (Postfix) with ESMTP id 5B7438FC26 for ; Tue, 8 Apr 2008 16:56:44 +0000 (UTC) (envelope-from josh@tcbug.org) Received: from mail.tcbug.org (mail.tcbug.org [208.42.70.163]) by conn-smtp.mc.mpls.visi.com (Postfix) with ESMTP id 5F9207996; Tue, 8 Apr 2008 11:56:43 -0500 (CDT) Received: from build64.tcbug.org (unknown [208.42.70.167]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.tcbug.org (Postfix) with ESMTPSA id 338716D9E31; Tue, 8 Apr 2008 11:56:43 -0500 (CDT) From: Josh Paetzel To: freebsd-questions@freebsd.org Date: Tue, 8 Apr 2008 11:55:31 -0500 User-Agent: KMail/1.9.7 References: <2b5f066d0804080539y7884709es46c8fd9cc2342aec@mail.gmail.com> <8e10486b0804080828n1fe401efl79e86108b3ce9fcd@mail.gmail.com> <20080408181945.U24388@wojtek.tensor.gdynia.pl> In-Reply-To: <20080408181945.U24388@wojtek.tensor.gdynia.pl> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart2778377.eeWIjNFZRv"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-Transfer-Encoding: 7bit Message-Id: <200804081155.42741.josh@tcbug.org> Cc: Wojciech Puchar , Brian McCann , Alexandre Biancalana Subject: Re: Large file system creation X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 08 Apr 2008 16:56:44 -0000 --nextPart2778377.eeWIjNFZRv Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On Tuesday 08 April 2008 11:20:58 am Wojciech Puchar wrote: > >> That looks like what I need. I've got a seperate 32GB array to boot > >> off of, so that's perfect. Now to just read some man pages. Thanks! > > > > How many memory do you have in this machine ?? To fsck 9 TB you will > > there is swap too . but my 1.4TB partition can be fsck'ed on 1GB RAM > without swap. > > > need a LOT of memory.... > > depends of block sized and inode counts. > > it will be most likely large 32K blocks, so quick fsck and little RAM > In my experience with UFS2 and fsck you will want to have a gig of ram per = TB=20 of filesystem. You can get by with less sometimes, eventually you'll get=20 bit. Most mere mortals don't take UFS2 past 6-8TB in production. There are of course exceptions.... =2D-=20 Thanks, Josh Paetzel PGP: 8A48 EF36 5E9F 4EDA 5A8C 11B4 26F9 01F1 27AF AECB --nextPart2778377.eeWIjNFZRv Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.8 (FreeBSD) iEYEABECAAYFAkf7o44ACgkQJvkB8Sevrsu17wCdHACxVQG0qyFKiffZcwoEtbMc z7kAnRadI1O6MvfAdU/3sO2baoduwCYP =Bpnp -----END PGP SIGNATURE----- --nextPart2778377.eeWIjNFZRv--