From owner-freebsd-questions@FreeBSD.ORG Thu Nov 20 21:26:31 2008 Return-Path: Delivered-To: questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id F306F106567A for ; Thu, 20 Nov 2008 21:26:31 +0000 (UTC) (envelope-from thavinci@thavinci.za.net) Received: from thavinci.za.net (mail.e-soul.co.za [196.211.117.44]) by mx1.freebsd.org (Postfix) with ESMTP id 197CB8FC12 for ; Thu, 20 Nov 2008 21:26:30 +0000 (UTC) (envelope-from thavinci@thavinci.za.net) Received: from thavinci.za.net (localhost [127.0.0.1]) by thavinci.za.net (Postfix) with ESMTP id C9A2E9B489; Thu, 20 Nov 2008 23:26:21 +0200 (SAST) Received: by thavinci.za.net (Postfix, from userid 1002) id AE6A79B492; Thu, 20 Nov 2008 23:26:21 +0200 (SAST) Received: from thavinciPC (unknown [192.168.12.110]) by thavinci.za.net (Postfix) with ESMTP id 9A9C19B43A; Thu, 20 Nov 2008 23:26:21 +0200 (SAST) From: "Marcel Grandemange" To: "'Tsu-Fan Cheng'" References: <02c801c94b40$4b6a2f10$e23e8d30$@za.net> <20081120204756.O16829@wojtek.tensor.gdynia.pl> In-Reply-To: Date: Thu, 20 Nov 2008 23:26:19 +0200 Message-ID: <02e401c94b56$a1d12a00$e5737e00$@za.net> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Office Outlook 12.0 Thread-Index: AclLU1GX8o5s7G1RQ6eLIXeDpTcbgAAAsIxQ Content-Language: en-us X-Virus-Scanned: ClamAV using ClamSMTP Cc: questions@freebsd.org Subject: RE: ZFS Recovery Tools 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: Thu, 20 Nov 2008 21:26:32 -0000 >Hi, > I was just reading stuff about ZFS, and wonder if it would be >beneficial for me to use it. I store a lots of multimedia files in my >HD, they usually have the size of > 1GB (e.g. 1.2, 1.7 or even >bigger), and my system is running UFS. > so can I buy a new HD, say 500GB, and format it ZFS style and use it >along with other UFS? and will ZFS performs better than UFS in my >situation? Thank you!! Correct me if im wrong but zfs seems way to experimental and unstable according to what I have found on net so far. FYI - I decided to use UFS in mean while, but for those interested in why I say this... http://wiki.freebsd.org/ZFSKnownProblems I share other NB server roles with my file server and cannot afford lockups etc... Please anyone correct me if im wrong! >TFC On Thu, Nov 20, 2008 at 2:51 PM, Wojciech Puchar wrote: >> all the input from various users I assume zfs would be the file system of >> choice for such large volumes? >> >> Are there limitations or downsides using UFS on such a large volume? > > no, unless you will create it with default options. > > use -i big-power-of-two simply to have enough inodes for your files, but not > 100 times too much. too much inodes=more wasted space AND VERY SLOW FSCK > > use -b 32768 or 65536 depending of your file's average size. > > -b 16384 will work too, but again fsck may be long. > > > of course turn on softupdates. > > UFS performs excellent on large drives/volumes. not in theory but in > practice, i use it every place, on volumes up to 3GB > > NO PROBLEMS. > > >> Also are there any tools for recovery off ZFS volumes? Accidental >> delete/format/corruption...? > > no. > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org" > __________ NOD32 3628 (20081120) Information __________ This message was checked by NOD32 antivirus system. http://www.eset.com