From owner-freebsd-current Wed Sep 11 10: 7:52 2002 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 C3FD237B400; Wed, 11 Sep 2002 10:07:50 -0700 (PDT) Received: from dragon.nuxi.com (trang.nuxi.com [66.92.13.169]) by mx1.FreeBSD.org (Postfix) with ESMTP id 3823743E6E; Wed, 11 Sep 2002 10:07:50 -0700 (PDT) (envelope-from obrien@NUXI.com) Received: from dragon.nuxi.com (obrien@localhost [127.0.0.1]) by dragon.nuxi.com (8.12.6/8.12.2) with ESMTP id g8BH7nfO027269; Wed, 11 Sep 2002 10:07:49 -0700 (PDT) (envelope-from obrien@dragon.nuxi.com) Received: (from obrien@localhost) by dragon.nuxi.com (8.12.6/8.12.5/Submit) id g8BH7nbB027268; Wed, 11 Sep 2002 10:07:49 -0700 (PDT) Date: Wed, 11 Sep 2002 10:07:49 -0700 From: "David O'Brien" To: current@freebsd.org Subject: Any problems with increaseing the dump(8) block size? Message-ID: <20020911170749.GA27252@dragon.nuxi.com> Reply-To: current@freebsd.org Mail-Followup-To: David O'Brien , current@freebsd.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.4i X-Operating-System: FreeBSD 5.0-CURRENT Organization: The NUXI BSD Group X-Pgp-Rsa-Fingerprint: B7 4D 3E E9 11 39 5F A3 90 76 5D 69 58 D9 98 7A X-Pgp-Rsa-Keyid: 1024/34F9F9D5 Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG I'd like to make this commit to get better performance on today's streaming tape drives. It seems my DLT drive doesn't stream well with the default block size of '10'. Index: include/protocols/dumprestore.h =================================================================== RCS file: /home/ncvs/src/include/protocols/dumprestore.h,v retrieving revision 1.10 diff -u -r1.10 dumprestore.h --- include/protocols/dumprestore.h 17 Jul 2002 02:03:19 -0000 1.10 +++ include/protocols/dumprestore.h 19 Jul 2002 05:30:39 -0000 @@ -56,7 +56,7 @@ * or TS_ADDR record. Note that it must be a power of two. */ #define TP_BSIZE 1024 -#define NTREC 10 +#define NTREC 64 #define HIGHDENSITYTREC 32 #define TP_NINDIR (TP_BSIZE/2) #define LBLSIZE 16 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message