Date: Mon, 30 Dec 2002 11:12:34 +0100 From: phk@FreeBSD.ORG To: Andrey Koklin <aka@veco.ru> Cc: freebsd-current@FreeBSD.ORG Subject: Re: missed disk nodes Message-ID: <8033.1041243154@critter.freebsd.dk> In-Reply-To: Your message of "Mon, 30 Dec 2002 12:09:05 %2B0300." <20021230120905.55c7a0f2.aka@veco.ru>
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In message <20021230120905.55c7a0f2.aka@veco.ru>, Andrey Koklin writes: >Hi folks, > >Silly question, perhaps, but I wasn't able to figure out source of the >problem myself... > >I used rarely magneto-optical disks to transfer data to/from Windows >machine. For compatibility, disks used HDD FAT16 format. >About a month ago the disks began to refuse to mount under -current: Can you please: dd if=/dev/da2 bs=64k | uuencode - foo | mail phk@freebsd.org I have not had an example of a non-512 byte disk with MBR on it until now. Poul-Henning > ># cat /var/run/dmesg.boot |grep '^da2' >da2 at ahc0 bus 0 target 6 lun 0 >da2: <FUJITSU M2513A 1700> Removable Optical SCSI-2 device >da2: 10.000MB/s transfers (10.000MHz, offset 10) >da2: 606MB (310352 2048 byte sectors: 64H 32S/T 151C) > ># fdisk /dev/da2 >******* Working on device /dev/da2 ******* >parameters extracted from in-core disklabel are: >cylinders=151 heads=64 sectors/track=32 (2048 blks/cyl) > >parameters to be used for BIOS calculations are: >cylinders=151 heads=64 sectors/track=32 (2048 blks/cyl) > >Media sector size is 2048 >Warning: BIOS sector numbering starts with sector 1 >Information from DOS bootblock is: >The data for partition 1 is: >sysid 6 (0x06),(Primary 'big' DOS (>= 32MB)) > start 32, size 309216 (603 Meg), flag 80 (active) > beg: cyl 0/ head 1/ sector 1; > end: cyl 150/ head 63/ sector 32 >The data for partition 2 is: ><UNUSED> >The data for partition 3 is: ><UNUSED> >The data for partition 4 is: ><UNUSED> > ># mount_msdosfs /dev/da2s1c /mnt >mount_msdosfs: /dev/da2s1c: No such file or directory > >Indeed, there is only /dev/da2 node now. > >But how can I tell the devfs system to create needed nodes? > > >-- >Regards, >Andrey > > > > >To Unsubscribe: send mail to majordomo@FreeBSD.org >with "unsubscribe freebsd-current" in the body of the message > -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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