From owner-freebsd-current@FreeBSD.ORG Mon Oct 27 04:53:21 2003 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 12ADD16A4B3 for ; Mon, 27 Oct 2003 04:53:21 -0800 (PST) Received: from moutng.kundenserver.de (moutng.kundenserver.de [212.227.126.184]) by mx1.FreeBSD.org (Postfix) with ESMTP id 2971243F93 for ; Mon, 27 Oct 2003 04:53:20 -0800 (PST) (envelope-from sw@gegenunendlich.de) Received: from [212.227.126.155] (helo=mrelayng.kundenserver.de) by moutng.kundenserver.de with esmtp (Exim 3.35 #1) id 1AE6s3-0008MU-00 for freebsd-current@freebsd.org; Mon, 27 Oct 2003 13:53:19 +0100 Received: from [80.142.193.184] (helo=kyuzo.dunkelkammer.void) by mrelayng.kundenserver.de with asmtp (Exim 3.35 #1) id 1AE6s3-0003WY-00 for freebsd-current@freebsd.org; Mon, 27 Oct 2003 13:53:19 +0100 Received: by kyuzo.dunkelkammer.void (Postfix, from userid 1002) id 8F18287D2; Mon, 27 Oct 2003 13:53:18 +0100 (CET) Date: Mon, 27 Oct 2003 13:53:18 +0100 From: Stefan Walter To: freebsd-current@freebsd.org Message-ID: <20031027125318.GB1582@kyuzo.dunkelkammer.void> Mail-Followup-To: freebsd-current@freebsd.org Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="7JfCtLOvnd9MIVvH" Content-Disposition: inline Organization: Infinity Approximation Task Force X-PGP-key: http://www.gegenunendlich.de/swalter-rsa.asc X-PGP-fingerprint: 85D8 6A49 22C7 6CD9 B011 5D6A 5691 111B 12B9 E0B3 User-Agent: Mutt/1.5.4i Subject: GBDE performance on ZIP disks X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 27 Oct 2003 12:53:21 -0000 --7JfCtLOvnd9MIVvH Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi, is there a way to speed up writing to a gbde encrypted ZIP disk? Copying 37 MB of data to an encrypted disk (in a SCSI drive) that has been initialized with "newfs -O 2 -U /dev/da1a.bde" takes ~180 seconds, which is ~200KB/s. Copying the same amount of data to the disk without using gbde takes ~50 seconds, which is ~740KB/s. I guess this problem is similar to the one you have when using msdosfs on a SCSI ZIP drive, which is also very slow. Using a different sector size than the default 512, which is also the sector size of the media, doesn't seem to be possible and always results in a "gbde: write sector 0: Operation not permitted". Playing around with newfs's options didn't help so far, either. Stefan --7JfCtLOvnd9MIVvH Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.3 (FreeBSD) iQGVAwUBP50VPlaRERsSueCzAQIdpQwAurtBaNiju+49GsHqJ29QLx9BHMeT5CCv V9JzqwqbCOpXx6w9Ddxn5KiX/OGjO+PtWOeOiSbXGZRjmOazMA/EoSXb8JpuifGj emu+0xKDpqNaLqf2fFZp1mqh9iMv4/P05x5RXrbMtfnEpWP8O33wr//J3G1i40kS hpgJXN+9RrkbrEHn0x9zDjDJTC2OChobnWYct9oXm03QK5h43KevYZa1kjtfP3SN i+aa01mp7DRNPNs+qwlbFUvDESzBMVsxkdDd2fUfX9Cna7YNOo961Mzie+iPQblx 2bN8OMI1+CmtnGKcY63789LM6Ejb7LpupjK72/5ziOJ5dd6+cLx50O7WNpbpYmu1 nBHCA3RPTTPVHQKNKWgiVzjNaiJpBYstnBoY/nZNlAkaW2XXCK05ZdbXpHvvFuxx SLHUmEyozO6CVcwxPwThvX3WGtj23O9godxq1ZoPaSyRFxROFi18iBI54kt9YKIE 7FUP94AlK7bdThQAD+SQOchvwCAUtei+ =aXid -----END PGP SIGNATURE----- --7JfCtLOvnd9MIVvH--