From owner-FreeBSD-users-jp@jp.freebsd.org  Tue Nov  6 11:25:59 2001
Received: (from daemon@localhost)
	by castle.jp.freebsd.org (8.9.3+3.2W/8.7.3) id LAA35169;
	Tue, 6 Nov 2001 11:25:59 +0900 (JST)
	(envelope-from owner-FreeBSD-users-jp@jp.FreeBSD.org)
Received: from isvw-mail.nc.u-tokyo.ac.jp (vwsm.nc.u-tokyo.ac.jp [133.11.127.86])
	by castle.jp.freebsd.org (8.9.3+3.2W/8.7.3) with ESMTP id LAA35163
	for <FreeBSD-users-jp@jp.freebsd.org>; Tue, 6 Nov 2001 11:25:58 +0900 (JST)
	(envelope-from simokawa@sat.t.u-tokyo.ac.jp)
X-Filtered-By: InterScan Virus Wall(isvw-mail.nc.u-tokyo.ac.jp) at UT NOC
Received: from ett.sat.t.u-tokyo.ac.jp (ett.sat.t.u-tokyo.ac.jp [10.6.1.30])
	by mail.sat.t.u-tokyo.ac.jp (Postfix) with ESMTP id 670F42DAC8
	for <FreeBSD-users-jp@jp.freebsd.org>; Tue,  6 Nov 2001 11:25:53 +0900 (JST)
Date: Tue, 06 Nov 2001 11:25:53 +0900
Message-ID: <ybshes8ljny.wl@ett.sat.t.u-tokyo.ac.jp>
From: Hidetoshi Shimokawa <simokawa@sat.t.u-tokyo.ac.jp>
To: FreeBSD-users-jp@jp.freebsd.org
In-Reply-To: <200111051133.AA00096@valcyrie.hi-ho.ne.jp>
References: <200111051133.AA00096@valcyrie.hi-ho.ne.jp>
User-Agent: Wanderlust/2.4.1 (Stand By Me) REMI/1.14.3 (Matsudai) FLIM/1.13.2 (Kasanui) APEL/10.3 MULE XEmacs/21.2 (beta19) (Shinjuku) (i386-unknown-freebsd3.2)
X-Face: OE([KxWyJI0r[R~S/>7ia}SJ)i%a,$-9%7{*yihQk|]gl}2p#"oXmX/fT}Bn7:#j7i14gu$
 jgR\S*&C3R/pJX<mI-4Z8'mqt1R'CjWdw-xqVoilv`\JgZcquM5oVuO^<vt/~051rCDM(`{rM~?{Ok
 r,XC+}Ycm9IJO)odT*-0nyJjBJYzL{GsZ
MIME-Version: 1.0 (generated by REMI 1.14.3 - "Matsudai")
Content-Type: text/plain; charset=ISO-2022-JP
Reply-To: FreeBSD-users-jp@jp.freebsd.org
Precedence: list
X-Distribute: distribute version 2.1 (Alpha) patchlevel 24e+010328
X-Sequence: FreeBSD-users-jp 65375
Subject: [FreeBSD-users-jp 65375] Re: DVDRAM newfs wtfs - writecombine
Errors-To: owner-FreeBSD-users-jp@jp.freebsd.org
Sender: owner-FreeBSD-users-jp@jp.freebsd.org
X-Originator: simokawa@sat.t.u-tokyo.ac.jp

At Mon, 05 Nov 2001 20:33:03 +0900,
T.Katayama <valcyrie@hi-ho.ne.jp> wrote:
> $BGc$C$F$-$?$P$+$j$N(B TYPE-4($BN>LL(B 4.7G) $B%a%G%#%"$r%U%)!<%^%C%H$7$h$&$H!$(B
> 
> % sudo disklabel -rw acd0a auto
> Password:
> boot block size 0
> super block size 0
> 
> % sudo newfs /dev/racd0a
> Warning: Block size and bytes per inode restrict cylinders per group to 10.
> Warning: 4 sector(s) in last cylinder unallocated
> /dev/racd0a:    9175036 sectors in 560 cylinders of 1 tracks, 16384 sectors
>         4480.0MB in 56 cyl groups (10 c/g, 80.00MB/g, 10112 i/g)
> super-block backups (for fsck -b #) at:
> write error: 9175032
> newfs: wtfs - writecombine: Input/output error
> Nov  5 19:54:23 sylpheed /kernel: acd0: WRITE_BIG - ILLEGAL REQUEST asc=21 ascq=00 error=02
> %
> 
> $B$H$J$C$F$7$^$$!$$I$&$$$&$o$1$+(B newfs $B$9$i=PMh$^$;$s$G$7$?!%(B
> $B%a%G%#%"$NH?BPLL$G$b;n$7$F8+$^$7$?$,!$A4$/F1$8$G$7$?!%(B
> 
> $B$,!$(Bdd $B$G(B 20MB $B$/$i$$(B write $B%"%/%;%9$7$F$_$k$H(B
> % sudo dd if=/dev/zero of=/dev/racd0a bs=2k count=10k
> 10240+0 records in
> 10240+0 records out
> 20971520 bytes transferred in 65.656675 secs (319412 bytes/sec)
> 
> $B$H$/$K%(%i!<$b2?$b=P$^$;$s$G$7$?!%(B

$B%O!<%I%&%'%"$NLdBj$8$c$J$$$H$9$k$H(B, sector size $B$NLdBj$G$7$g$&$+$M(B.
newfs $B$9$k$H$-$K(B fragment size $B$r(B 2KB $B0J>e$K$7$F$_$F$O$I$&$G$7$g$&$+(B?

/\ Hidetoshi Shimokawa
\/  simokawa@sat.t.u-tokyo.ac.jp
PGP public key: http://www.sat.t.u-tokyo.ac.jp/~simokawa/pgp.html
