(sorry for top-posting; Gmail mobile can reply *only* by top-posting) IIRC, the CHS values reported by modern drives no longer match exactly with the physical sector. So, if I were you, I'd just ignore the warning.
CMIIW. Rgds, On 2011-02-24, Asif Iqbal <[email protected]> wrote: > On Wed, Feb 23, 2011 at 3:37 PM, Nathan Stratton Treadway > <[email protected]> wrote: >> On Wed, Feb 23, 2011 at 13:15:14 -0500, Asif Iqbal wrote: >>> I just installed lucid 64bit server and looks like /boot partition >>> overlaps. I built few other >>> lucid 64bit server. They all show the same overlap. >>> >>> # fdisk -l /dev/sda >>> >>> Disk /dev/sda: 146.0 GB, 145999527936 bytes >>> 255 heads, 63 sectors/track, 17750 cylinders >>> Units = cylinders of 16065 * 512 = 8225280 bytes >>> Sector size (logical/physical): 512 bytes / 512 bytes >>> I/O size (minimum/optimal): 512 bytes / 512 bytes >>> Disk identifier: 0x0008911b >>> >>> Device Boot Start End Blocks Id System >>> /dev/sda1 * 1 31 242688 83 Linux >>> Partition 1 does not end on cylinder boundary. >>> /dev/sda2 31 17750 142332928 8e Linux LVM >> >> This listing doesn't show that they partitions actually _overlap_, only >> that the "cylinder 31" is split between the two. (Note that this >> cylinder calculation is really just arbitrary, based on based on the >> logical heads/sectors geometry assigned to the disk) >> >> Running "fdisk -l -u /dev/sda" should show you that the two partitions >> don't actually share any sectors.... > > yep, they don't share the same sector. > > # fdisk -l -u /dev/sda > > Disk /dev/sda: 146.0 GB, 145999527936 bytes > 255 heads, 63 sectors/track, 17750 cylinders, total 285155328 sectors > Units = sectors of 1 * 512 = 512 bytes > Sector size (logical/physical): 512 bytes / 512 bytes > I/O size (minimum/optimal): 512 bytes / 512 bytes > Disk identifier: 0x0008911b > > Device Boot Start End Blocks Id System > /dev/sda1 * 2048 487423 242688 83 Linux > Partition 1 does not end on cylinder boundary. > /dev/sda2 487424 285153279 142332928 8e Linux LVM > > > So just ignore this alert? Also, is it still possible to > change the end cylinder of the /boot partition without breaking the grub? > > I think I am using grub2 per this > > # grub-install -v > grub-install (GNU GRUB 1.98-1ubuntu10) > >> >> Nathan >> >> -- >> ubuntu-server mailing list >> [email protected] >> https://lists.ubuntu.com/mailman/listinfo/ubuntu-server >> More info: https://wiki.ubuntu.com/ServerTeam >> > > > > -- > Asif Iqbal > PGP Key: 0xE62693C5 KeyServer: pgp.mit.edu > A: Because it messes up the order in which people normally read text. > Q: Why is top-posting such a bad thing? > > -- > ubuntu-server mailing list > [email protected] > https://lists.ubuntu.com/mailman/listinfo/ubuntu-server > More info: https://wiki.ubuntu.com/ServerTeam > -- -- Pandu E Poluan - IT Optimizer My website: http://pandu.poluan.info/ -- ubuntu-server mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-server More info: https://wiki.ubuntu.com/ServerTeam
