Date: Wed, 10 Jan 2007 00:58:51 -0800 (PST) From: "R. B. Riddick" <arne_woerner@yahoo.com> To: vd@FreeBSD.org Cc: freebsd-geom@FreeBSD.org Subject: Re: graid3 device gives "Invalid argument" when requested to read>=128kb Message-ID: <67643.90686.qm@web30312.mail.mud.yahoo.com> In-Reply-To: <20070110070817.GA33206@freefall.freebsd.org>
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--- Vasil Dimov <vd@FreeBSD.org> wrote: > On Sat, Dec 30, 2006 at 04:39:39AM -0800, R. B. Riddick wrote: > > neo# gnop create -S 16384 md0 > > neo# dd if=/dev/md0.nop of=/dev/null > > dd: /dev/md0.nop: Invalid argument > > 0+0 records in > > 0+0 records out > > 0 bytes transferred in 0.000155 secs (0 bytes/sec) > > This is because default dd's read block size is 512b > Yup... Its the default... > > Just UFS seems to have a problem: > > > > neo# newfs /dev/md0.nop > > /dev/md0.nop: 16.0MB (32768 sectors) block size 16384, fragment size 16384 > > using 4 cylinder groups of 4.02MB, 257 blks, 128 inodes. > > newfs: can't read old UFS1 superblock: read error from block device: > > Invalid argument > > Look at newfs's -S switch, this is the same issue as with dd above. > I tried, but no success... newfs should be able to find out the sector size... But -S does not help, too... Tried it urself? -Arne __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com
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