From owner-freebsd-sparc  Wed Oct 30  7:58:16 2002
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Date: Wed, 30 Oct 2002 11:11:11 -0500
From: Jake Burkholder <jake@locore.ca>
To: Alex Deiter <tiamat@komi.mts.ru>
Cc: sparc64@FreeBSD.ORG, phk@FreeBSD.ORG
Subject: Re: Creating a Disk Label
Message-ID: <20021030111111.D22677@locore.ca>
References: <067f01c27fee$9b2fcba0$6301320a@dav>
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In-Reply-To: <067f01c27fee$9b2fcba0$6301320a@dav>; from tiamat@komi.mts.ru on Wed, Oct 30, 2002 at 11:30:28AM +0300
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Apparently, On Wed, Oct 30, 2002 at 11:30:28AM +0300,
	Alex Deiter said words to the effect of;

> I cannot create disk label on new HDD:
> 
> # uname -a
> FreeBSD serafima 5.0-CURRENT FreeBSD 5.0-CURRENT #0: Wed Oct 30 10:15:02 MSK
> 2002     root@selma.komi.mts.ru:/usr/obj/usr/src/sys/NET  sparc64
> 
> # mount
> 1.1.1.1:/devel/sparc64/netboot on / (nfs, read-only)
> devfs on /dev (devfs, local)
> /dev/md1 on /var (ufs, local, soft-updates)
> /dev/md2 on /tmp (ufs, local, soft-updates)
> 
> # dmesg | grep da0
> da0 at sym0 bus 0 target 0 lun 0
> da0: <SEAGATE ST336605LSUN36G 0638> Fixed Direct Access SCSI-3 device
> da0: 80.000MB/s transfers (40.000MHz, offset 31, 16bit), Tagged Queueing
> Enabled
> da0: 34732MB (71132959 512 byte sectors: 255H 63S/T 4427C)
> 
> # ls -l /dev/da0*
> crw-r-----  1 root  operator    4,   0 Oct 30 12:16 /dev/da0
> crw-r-----  1 root  operator    4,  10 Oct 30 12:17 /dev/da0c
> 
> # disklabel -w -r -B -n da0 auto
> Warning, write to disk label supressed - label was as follows:
> # /dev/da0c:
> type: unknown
> disk: amnesiac
> label:
> flags:
> bytes/sector: 512
> sectors/track: 63
> tracks/cylinder: 255
> sectors/cylinder: 16065
> cylinders: 4427
> sectors/unit: 71132959
> rpm: 3600
> interleave: 1
> trackskew: 0
> cylinderskew: 0
> headswitch: 0           # milliseconds
> track-to-track seek: 0  # milliseconds
> drivedata: 0
> 
> 8 partitions:
> #        size   offset    fstype   [fsize bsize bps/cpg]
>   c: 71132959        0    unused        0     0         # (Cyl.    0 -
> 4427*)
> 
> # disklabel -w -r -B da0 auto
> 
> # disklabel da0
> disklabel: ioctl DIOCGDINFO: Inappropriate ioctl for device

Use disklabel -r.  The GEOM sun label module doesn't implement all the
necessary ioctls.

Jake

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