On Mon, Oct 06, 2008 at 12:07:08PM -0400, Jerry McAllister wrote: > On Mon, Oct 06, 2008 at 08:03:46AM -0700, Don O'Neil wrote: > > > > I just swapped out an old 500G disk with a 1TB one and I'm trying to > > > label it and mount it... > > > > > > If I run bsdlabel -w ad4, I get: > > > > > > bsdlabel: Geom not found > > > > > > If I run sysinstall, it tells me that it can't write to the disk. > > > > > > I've tried an old 'bypass': sysctl kern.geom.debugflags=16, but that > > > didn't help. > > > > > > Can anyone help me get this new disk installed without having to boot > > > off a recovery CD? The server is 500 miles away from me and I don't > > > have direct console access. > > > Can you provide output from dmesg, as well as "geom disk list"? > > > > OK... I tried: > > > > # dd if=/dev/zero of=/dev/ad4 bs=512 count=1000 > > dd: /dev/ad4: Operation not permitted > > > > # fdisk /dev/ad4 > > ******* Working on device /dev/ad4 ******* > > parameters extracted from in-core disklabel are: > > cylinders=1938021 heads=16 sectors/track=63 (1008 blks/cyl) > > > > Figures below won't work with BIOS for partitions not in cyl 1 > > parameters to be used for BIOS calculations are: > > cylinders=1938021 heads=16 sectors/track=63 (1008 blks/cyl) > > > > fdisk: invalid fdisk partition table found > > Media sector size is 512 > > Warning: BIOS sector numbering starts with sector 1 > > Information from DOS bootblock is: > > The data for partition 1 is: > > sysid 165 (0xa5),(FreeBSD/NetBSD/386BSD) > > start 63, size 1953525105 (953869 Meg), flag 80 (active) > > beg: cyl 0/ head 1/ sector 1; > > end: cyl 612/ head 15/ sector 63 > > The data for partition 2 is: > > <UNUSED> > > The data for partition 3 is: > > <UNUSED> > > The data for partition 4 is: > > <UNUSED> > > > OK. That looks pretty normal.
Well, except for not allowing the dd to the disk. I haven't had that happen on a disk. (I used to see that a lot on DAT tapes) So, maybe, as someone else suggested, you also need: > > OK... I tried: > > > > # dd if=/dev/zero of=/dev/ad4 bs=512 count=1000 > > dd: /dev/ad4: Operation not permitted > > > Did you "sysctl kern.geom.debugflags=16" before doing this? > > > What's happening here is that GEOM isn't letting you overwrite the MBR > on the disk. Setting kern.geom.debugflags=16 should permit that to > happen. > But, do the following too. > > Did you try doing an: fdisk -I ad4 or maybe fdisk -BI ad4 > > It takes that to get fdisk to initialize the disk. > (the -B puts the master boot block there. > > Just doing an fdisk ad4 only had fdisk read out stuff > and there isn't anything there yet to read - so of course > it is invalid. > > ////jerry > > > > > > > Geometry output: > > > > Geom name: ad4 > > Providers: > > 1. Name: ad4 > > Mediasize: 1000204886016 (932G) > > Sectorsize: 512 > > Mode: r0w0e0 > > fwsectors: 63 > > fwheads: 16 > > > > Nothing exciting coming from dmesg. > > > > > > _______________________________________________ > > firstname.lastname@example.org mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > > To unsubscribe, send any mail to "[EMAIL PROTECTED]" > _______________________________________________ > email@example.com mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "[EMAIL PROTECTED]" _______________________________________________ firstname.lastname@example.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"