Or use the BIOS to initialize the logical disk. On Wed, Oct 26, 2005 at 12:32:38AM +1000, David Gwynne wrote: > On 26/10/2005, at 12:13 AM, <[EMAIL PROTECTED]> <[EMAIL PROTECTED]> > wrote: > > >jon and marco, > > > >thx for the quick replies. this is more or less what i expected. > > > >if you install through the RAID controller, shouldn't it > >autodetect the number of actually available sectors (i.e. the > >"full" size modulo that required for the RAID info)? that's > >the thing that really surprised me. > > If there is already a disklabel on the disk detailing its geometry > then it will use that rather than write a new one based on the > geometry reported by the driver. To blow away the existing details > boot the installer, dd some zeros over the start of the disk (dd if=/ > dev/zero of=/dev/rsd0c bs=512 count=1024), and then reboot. When you > install onto the disk this time it should have the correct values > since there were no previous ones on disk to use. > > If dd seems a bit harsh you could try fdisk -i /dev/rsd0c followed by > disklabel -dE sd0. > > Let us know how you go. > > dlg > > > > > > >>dlg and I had a look at this and we concur with Jon. You can > >> > >move a single > > > >>disk RAID 0 from behind the ami controller and use it as a > >> > >single disk. What > > > >>you can't do is going the other way around (from SATA > >> > >controller to RAID 0). > > > >>After reading your email we gathered it is what you did. > >> > >>Can you please confirm that these were your installation steps? > >> > > > >when i did try to install through the controller, as suggested > >above, the following (from my original post) happened: > > > >"i then tried to reinstall onto that disk from the CD drive i > >have attached to the machine with the RAID controller in it. > >when it came time to create the partitions with disklabel, i > >got the same error as before and it occurred when my /home > >partition was being initialized." > > > >or do i have to "manually" calculate the number of sectors i > >can allocate in disklabel? > > > >i will try to reproduce this if you feel it necessary. > > > >regards, > >jake

