Ken Moffat wrote: > On Fri, May 04, 2012 at 11:14:19AM -0500, Bruce Dubbs wrote: >> Ken Moffat wrote: >> >>> Actually, 10 bootable partitions on a dos disk is pushing it - I >>> suppose one or more of /boot, /home, swap is in a primary partition. >> Why? >> >> As of Jan 20, 2010 >> >> Disk /dev/sda: 320.1 GB, 320072933376 bytes >> 255 heads, 63 sectors/track, 38913 cylinders >> Units = cylinders of 16065 * 512 = 8225280 bytes >> Disk identifier: 0x00000080 >> >> Device Boot Start End >> /dev/sda1 * 63 208844 /boot 100M >> /dev/sda2 208845 19743884 /opt 10G minus >> /dev/sda3 19743885 25607609 Swap 2G >> /dev/sda4 25607671 439398399 Extended >> /dev/sda5 25607673 46588499 lfs-7.0-rc? 10G >> /dev/sda6 46588563 67569389 lfs-6.5 10G Aug 2009 >> /dev/sda7 67569453 87104429 Ubuntu 9.04 10G minus >> /dev/sda8 87104493 108085319 blfs dev 10G >> /dev/sda9 108085383 191992814 /usr/src 40G >> /dev/sda10 191992878 233954594 /mnt/backup 20G >> /dev/sda11 233954658 254935484 /home 10G >> /dev/sda12 254935548 317862089 ?? 30G >> /dev/sda13 317862153 338842979 lfs-20110110 10G >> /dev/sda14 338843043 359823869 lfs-20100816 10G >> /dev/sda15 359823933 380804759 lfs-7.1-rc1 10G >> /dev/sda16 380805120 419866623 ubuntu 11.04 20G >> /dev/sda17 419868672 439398399 ubuntu 10.10 9G >> >> >> -- Bruce > > I believed, obviously wrongly, that the maximum value for a logical > partition on dos disks was 15.
I think the max is 63, but that would be in the kernel and maybe grub. > Did you have to do the math yourself to get the sizes in that > table ? Yes. I just did fdisk -l /dev/sda > disk-layout and edited that to add my notes. -- Bruce -- http://linuxfromscratch.org/mailman/listinfo/blfs-support FAQ: http://www.linuxfromscratch.org/blfs/faq.html Unsubscribe: See the above information page
