From owner-freebsd-questions Thu Oct 17 06:11:51 1996 Return-Path: owner-questions Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id GAA29001 for questions-outgoing; Thu, 17 Oct 1996 06:11:51 -0700 (PDT) Received: from dyson.iquest.net ([198.70.144.127]) by freefall.freebsd.org (8.7.5/8.7.3) with ESMTP id GAA28994 for ; Thu, 17 Oct 1996 06:11:48 -0700 (PDT) Received: (from root@localhost) by dyson.iquest.net (8.7.5/8.6.9) id IAA04055; Thu, 17 Oct 1996 08:11:34 -0500 (EST) From: "John S. Dyson" Message-Id: <199610171311.IAA04055@dyson.iquest.net> Subject: Re: FreeBSD Filesystem To: dwhite@resnet.uoregon.edu Date: Thu, 17 Oct 1996 08:11:34 -0500 (EST) Cc: maynardm@ibm.net, questions@FreeBSD.org In-Reply-To: from "Doug White" at Oct 16, 96 11:24:28 pm Reply-To: dyson@FreeBSD.org X-Mailer: ELM [version 2.4 PL24 ME8] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-questions@FreeBSD.org X-Loop: FreeBSD.org Precedence: bulk > On Wed, 16 Oct 1996, W Mark Maynard II wrote: > > > Can someone tell me what filesystem FreeBSD uses? Also, are there any > > special limitations (max partition size, max file size, filename length > > restrictions, etc.)? > > FreeBSD uses a modified Berkeley UFS for it's native filesystem. > > As far as we know, in -current, there is no maximum filesystem size. > Current tests (using the ccd concatecated disk driver) show that > filesystems upwards of 4 terrabytes are possible (with some modifications > to the filesystem code which I believe have been committed to -current). > > Max file size is 2GB. > Actually, the max file size under -current is really big.... I think that it is at least 512GB!!! We have a hard limit of (1<<39) in the code, but that might not be all that it is capabile of. If someone starts seeing that as a problem, then we'll look at checking it out further. John