Date: Sat, 22 Feb 1997 14:45:53 +0100 From: j@uriah.heep.sax.de (J Wunsch) To: gilbertd@cs.man.ac.uk (David Alan Gilbert) Cc: scsi@FreeBSD.ORG Subject: Re: SCSI error Message-ID: <Mutt.19970222144553.j@uriah.heep.sax.de> In-Reply-To: <9702211758.AA25679@amu7.cs.man.ac.uk>; from David Alan Gilbert on Feb 21, 1997 17:58:57 %2B0000 References: <9702211758.AA25679@amu7.cs.man.ac.uk>
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As David Alan Gilbert wrote: > On a separate note we gave up using the fdisk and disklabel commands and > used the nice programs on the installation disc. We kept getting > > write: read only file system > > and never figured out how to get rid of it. Do you have old junk in your fdisk table? The slice code can sometimes return EROFS if it means to protect you from clobbering non-FreeBSD slices. > The fdisk and disklabel programs are individually arcane; when used together > they are just stupid. Is the partitioning utility from the installation > disc available for use on a running system? /stand/sysinstall However, it's been reported to not always do a good job when using it standalone. Btw., fdisk is only needed for disks that are about to be shared with other systems (or if you need more than 7 partitions). You can safely skip this step, and infact, i never use it myself. If your disk contains old junk at the beginning, you can wipe it first with something like dd if=/dev/zero of=/dev/rsdX count=100 (The 100 is overkill.) For a plain BSD disk, i prefer: disklabel -Brw sdX auto disklabel -e sdX That's about all there is to be for a BSD-only disk. You might think of it being arcane, but i wouldn't bother to fire off sysinstall for these three command lines. :-) (Sure, i have to calculate some partition offsets manually, but since i usually use multiples of 100000 blocks, that's no big deal.) -- cheers, J"org joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE Never trust an operating system you don't have sources for. ;-)
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