From owner-freebsd-stable Sun Feb 24 9:31:13 2002 Delivered-To: freebsd-stable@freebsd.org Received: from smarthost-2.mail.telinco.net (smarthost-2.mail.telinco.net [212.1.128.91]) by hub.freebsd.org (Postfix) with ESMTP id 2C64337B404 for ; Sun, 24 Feb 2002 09:31:10 -0800 (PST) Received: from ppp-1-112.5800-14.telinco.net ([212.1.148.112] helo=basilisk.locus) by smarthost-2.mail.telinco.net with esmtp (Exim 3.22 #1) id 16f2UK-0009tu-00 for freebsd-stable@freebsd.org; Sun, 24 Feb 2002 17:31:07 +0000 Received: (from harry@localhost) by basilisk.locus (8.11.6/8.11.6) id g1OHV6f21516; Sun, 24 Feb 2002 17:31:06 GMT (envelope-from harry@basilisk.locus) To: freebsd-stable@freebsd.org Subject: newfs frag & block sizes From: Harry Newton Organization: GAUDEAMUS X-Op.135: Muss es sein ? Es muss sein X-Attribution: HN X-GnuPG-Fingerprint: 497E C8CD 0553 5EB4 1AE3 3BF5 D041 39E0 35E4 7F8B Message-ID: <86u1s6iy7k.fsf@basilisk.locus> User-Agent: Gnus/5.0808 (Gnus v5.8.8) Emacs/20.7 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: 24 Feb 2002 17:31:02 +0000 Lines: 26 Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG I've just been rebuilding some of my filesystems, and noticed that the fragment size : block size ratio isn't the recommended ( in newfs(8) ) 1:8. Disklabel gives: 8 partitions: # size offset fstype [fsize bsize bps/cpg] a: 262144 0 4.2BSD 8192 16384 290 # (Cyl. 0 - 16*) b: 1048576 262144 swap # (Cyl. 16*- 81*) c: 17928477 0 unused 0 0 # (Cyl. 0 - 1115*) d: 2097152 1310720 4.2BSD 8192 16384 261 # (Cyl. 81*- 212*) e: 2097152 3407872 4.2BSD 1024 8192 22 # (Cyl. 212*- 342*) f: 4194304 5505024 4.2BSD 8192 16384 261 # (Cyl. 342*- 603*) g: 8229149 9699328 4.2BSD 8192 16384 262 # (Cyl. 603*- 1115*) ( e has been rebuilt again with the -f and -b flags ). FreeBSD basilisk.locus 4.5-STABLE FreeBSD 4.5-STABLE #0: Fri Feb 22 20:20:52 GMT 2002 root@basilisk.locus:/usr/obj/usr/src/sys/BASILISK i386 Is there a reason for this ? - Harry -- Harry Newton harry_newton at telinco.co.uk www.gaudeamus.telinco.co.uk/html/gpg.html To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message