Date: Sat, 28 May 2011 15:14:50 +0000 (UTC) From: Kirk McKusick <mckusick@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r222423 - head/sbin/newfs Message-ID: <201105281514.p4SFEoB2089540@svn.freebsd.org>
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Author: mckusick Date: Sat May 28 15:14:50 2011 New Revision: 222423 URL: http://svn.freebsd.org/changeset/base/222423 Log: Update the manual page to reflect the new 32K/4K defaults. Reminded by: Ivan Voras Modified: head/sbin/newfs/newfs.8 Modified: head/sbin/newfs/newfs.8 ============================================================================== --- head/sbin/newfs/newfs.8 Sat May 28 15:07:29 2011 (r222422) +++ head/sbin/newfs/newfs.8 Sat May 28 15:14:50 2011 (r222423) @@ -28,7 +28,7 @@ .\" @(#)newfs.8 8.6 (Berkeley) 5/3/95 .\" $FreeBSD$ .\" -.Dd February 22, 2011 +.Dd May 25, 2011 .Dt NEWFS 8 .Os .Sh NAME @@ -112,7 +112,7 @@ for more details on how to set this opti The block size of the file system, in bytes. It must be a power of 2. The -default size is 16384 bytes, and the smallest allowable size is 4096 bytes. +default size is 32768 bytes, and the smallest allowable size is 4096 bytes. The optimal block:fragment ratio is 8:1. Other ratios are possible, but are not recommended, and may produce poor results. @@ -143,7 +143,7 @@ ranging in value between .Ar blocksize Ns /8 and .Ar blocksize . -The default is 2048 bytes. +The default is 4096 bytes. .It Fl g Ar avgfilesize The expected average file size for the file system. .It Fl h Ar avgfpdir @@ -279,7 +279,7 @@ Creates a new ufs file system on .Pa ad3s1a . The .Nm -utility will use a block size of 16384 bytes, a fragment size of 2048 bytes +utility will use a block size of 32768 bytes, a fragment size of 4096 bytes and the largest possible number of blocks per cylinders group. These values tend to produce better performance for most applications than the historical defaults
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