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Old 04-07-2009, 11:13 PM   #1
Rich Thomson
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Fedora 11 Disk Partitioning Overlap


On the Fedora 11 alpha release, live CD install to hard disk option, fdisk reports that the partition layout created overlaps the end cylinder of one partition over the start cylinder of the next. For example, boot creates as 1-13, then / creates as 13-463. Is this of concern? Rich
 
Old 04-09-2009, 11:58 AM   #2
amani
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Beta has been released for testing.

check with parted or GUI variants. It should be of some concern... or it may be due to the dos-incompatibility mode used. How many OSes have you installed? Post output of layout

Last edited by amani; 04-09-2009 at 12:00 PM.
 
Old 04-10-2009, 03:35 PM   #3
Rich Thomson
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I have a dozen live systems installed; CentOS and various Fedora 5-10 systems, plus dozens and dozens of test system installs. I've seen the message about cylinder boundaries before, but never an overlap.

This is a sample from the live cd install to hard drive without altering the partition layout. I've tried manually adjusting the partitions, it makes no difference in the overlap. The results are similar with the full media (not live cd) install. If I add a swap space it doesn't alter the overlap, indeed the overlap appears on the swap partition as well. It doesn't matter whether I use LVM (which I don't except in this example) or manually adjust the partitions.

Output from /etc/redhat-release: Fedora release 10.92 (Rawhide)

Output from uname: Linux localhost.localdomain 2.6.29-0.258.2.3.rc8.git2.fc11.i586 #1 SMP Tue Mar 24 18:37:23 EDT 2009 i686 i686 i386 GNU/Linux

Output from df:

Disk /dev/sda: 40.0 GB, 40007761920 bytes
255 heads, 63 sectors/track, 4864 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x0008b390

Device Boot Start End Blocks Id System
/dev/sda1 * 1 26 204800 83 Linux
Partition 1 does not end on cylinder boundary.
/dev/sda2 26 4864 38865248+ 8e Linux LVM


I'm suspecting a bug, I'll check out the process to report it.

Thanks - Rich
 
Old 04-27-2009, 09:46 AM   #4
Rich Thomson
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https://bugzilla.redhat.com/show_bug.cgi?id=490922

They are aware of it and do not consider it a problem.
 
  


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