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Message-Id: <20040503.005734.74756782.yoshiaki@kt.rim.or.jp>
To: FreeBSD-users-jp@jp.FreeBSD.org
From: Yoshiaki Uchikawa <yoshiaki@kt.rim.or.jp>
In-Reply-To: <200405021416.i42EGL5b032162@fifthluna.nokubi.or.jp>
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	<200405021416.i42EGL5b032162@fifthluna.nokubi.or.jp>
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Date: Mon, 03 May 2004 00:57:34 +0900
X-Sequence: FreeBSD-users-jp 79239
Subject: [FreeBSD-users-jp 79239] Re: tunefs: free space percentage
Sender: owner-FreeBSD-users-jp@jp.FreeBSD.org
X-Originator: yoshiaki@kt.rim.or.jp
X-Distribute: distribute version 2.1 (Alpha) patchlevel 24e+040430

$B$&$A$+$o$G$9(B

>>>>> From: NOKUBI Hirotaka <h-nokubi@nokubi.dyndns.org>
>>>>> Date: Sun, 02 May 2004 23:15:33 +0900
 > 
 > In message <20040423120900.GA979%ginga-freebsd@ginganet.org>, Kawaguti Ginga writes:

 > ># FAT format $B$G$-$l$P(B windows $B$H$b8_49$,$H$l$k$s$G$9$1$I$M$'!%(B
 > 
 > $B$$$^$5$i(B FAT $B$G$b$J$$$+$J$H!#(B
 > UDF $B$,$$$$$G$9(B :-)

$BF146!#(BUDF$B$OFI$`$@$1$G$9$M$'!#(B

$B!t(BDVD$B$N%^%9%?%j%s%0%=%U%H$r:n$C$F$$$k?M$,(Bcontribute$B$7$F$/$l$k$H(B
$B!t$$$$$N$G$9$1$I(B
 > 
 > >$B$A$J$_$K(B DVD-RAM $B$N(B newfs $B$N:]!$$3$s$J"-46$8$8$c$J$$$H(B
 > >$B$&$^$/F0$+$J$$$s$G$9$,!$$3$l$C$F;d$@$1$G$7$g$&$+(B?
 > >(acd0 = cd1 (by atapicam) $B$J%7%9%F%`$G$9(B)
 > >
 > ># newfs /dev/acd0a
 > ># tunefs -m 2 /dev/cd1c	# tunefs -m $B$O(B acd0 $B$8$c$@$a$G(B atapicam $B7PM3(B
 > >			# $B$8$c$J$$$HF/$+$J$$$N$O5$$N$;$$(B?
 > 
 > $B$&$A$O",$3$l$H$b>/$70c$C$F$$$F4pK\E*$K(B atapicam $B7PM3$G$J$$$H$&$^$/(B
 > $B$$$+$J$$$G$9!#%+!<%M%k$O(B 5.1-RELEASE$B!"%f!<%6!<%i%s%I$O(B 5.0-stable $B$N(B
 > $B$I$C$+$H$$$&H>C<$JAH$_9g$o$;$N$;$$(B?
 > 
 > # disklabel -r -w cd1 auto
 > # disklabel -r -e cd1  # $B$G(B a$B%Q!<%F%#%7%g%s:n$C$F$^$9(B
 > # newfs -i 1048576 /dev/cd1a  # $B$H$+!"=q$-9~$`%U%!%$%k<!Bh(B
 > # tunefs -m 0 /dev/cd1a

$B$&$A$N4D6-$O(B

FreeBSD 5.2-CURRENT #1: Wed Apr 28 23:18:17 JST 2004

acd0: DVDR <HL-DT-ST DVDRAM GSA-4040B> at ata1-slave UDMA33
cd0 at ata1 bus 0 target 1 lun 0
cd0: <HL-DT-ST DVDRAM GSA-4040B A112> Removable CD-ROM SCSI-0 device 

$B$H$$$&46$8$G>e5-$+$i$o$+$k$h$&$K(Batapicam$B$rF~$l$?%+!<%M%k$K$7$F$$$^$9$,(B
$B$H$j$"$($:(B/dev/acd0$B$KBP$7$F(Bnewfs$B$7$F$bF1$8$h$&$KF0$-$^$9$7!"(B

# tunefs -p /dev/acd0a
 <$BCfN,(B>
tunefs: minimum percentage of free space: (-m)             8%
 :

# tunefs -m 2  /dev/acd0a
tunefs: minimum percentage of free space changes from 8% to 2%
tunefs: should optimize for space with minfree < 8%
# tunefs -p /dev/acd0a
 <$BCfN,(B>
tunefs: minimum percentage of free space: (-m)             2%
 :

$B$H$$$&$h$&$KM-8z$J$h$&$G$9!#(B
$B!t2?$+4*0c$$$7$F$$$k$N$+$7$i$s(B?
--
  yoshiaki@kt.rim.or.jp
 ($B$&(B)  
