From owner-freebsd-security Thu May 4 23:38:55 2000 Delivered-To: freebsd-security@freebsd.org Received: from rover.village.org (rover.village.org [204.144.255.49]) by hub.freebsd.org (Postfix) with ESMTP id 68EF037BA32 for ; Thu, 4 May 2000 23:38:50 -0700 (PDT) (envelope-from imp@harmony.village.org) Received: from harmony.village.org (harmony.village.org [10.0.0.6]) by rover.village.org (8.9.3/8.9.3) with ESMTP id AAA28546; Fri, 5 May 2000 00:38:48 -0600 (MDT) (envelope-from imp@harmony.village.org) Received: from harmony.village.org (localhost.village.org [127.0.0.1]) by harmony.village.org (8.9.3/8.8.3) with ESMTP id AAA47015; Fri, 5 May 2000 00:38:45 -0600 (MDT) Message-Id: <200005050638.AAA47015@harmony.village.org> To: Peter Jeremy Subject: Re: Cryptographic dump(8) Cc: "Andrew J. Korty" , security@FreeBSD.ORG In-reply-to: Your message of "Fri, 05 May 2000 08:30:43 +1000." <00May5.083045est.115878@border.alcanet.com.au> References: <00May5.083045est.115878@border.alcanet.com.au> Date: Fri, 05 May 2000 00:38:45 -0600 From: Warner Losh Sender: owner-freebsd-security@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org In message <00May5.083045est.115878@border.alcanet.com.au> Peter Jeremy writes: : BTW, unless you're using H/W encryption, 3DES is quite slow - and will : probably be the limiting factor in your dump/restore speed. This may : or may not be an issue. If it is, you might like to look at : alternative algorithms. How slow is quite slow? My dumps rarely run faster than a few hundered kbps (usually about 150). Even though my tape drive can go faster than that. My fs has too many small files for dump to get good performance out of. Warner To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message