xen-users
Re: [Xen-users] Guest O/S Questions
Marcus Brown wrote:
You're right. fdisk (and AFAIK, modern partitioning tools) prefer to
start partitions on the first cylinder boundary. The assumption here is
that each cylinder contains 63 sectors.
OK, but why skip this cylinder?
If you are creating an image with multiple partitions won't you need to
keep the partition table intact?
Ok, let's back track a little. The dd command I suggested is only
useful for extracting the first partition from a partitioned disk image
assuming that the first partition occupies all of the remaining disk
space and starts on the 63rd sector.
It just so happens that if you partition a disk with only a single
partition, with most partitioning tools, they'll always put the first
partition on the 63rd sector.
I think the reason it chooses that sector is that it is the first sector
on the second cylinder and it reserves the rest of the first cylinder
for other uses (such as extra space for a boot loader).
If you're just exporting the whole disk, you don't need to do this
command. You would only use this command if you were trying to export a
file system image as a partition (as hda1, hda3, etc.).
Regards,
Anthony Liguori
Marcus.
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- Re: [Xen-users] Guest O/S Questions, (continued)
- Re: [Xen-users] Guest O/S Questions , Anthony Liguori
- Re: [Xen-users] Guest O/S Questions , Mark Williamson
- Re: [Xen-users] Guest O/S Questions , Karsten M. Self
- Re: [Xen-users] Guest O/S Questions , Karsten M. Self
- Re: [Xen-users] Guest O/S Questions , Anthony Liguori
- Re: [Xen-users] Guest O/S Questions , Karsten M. Self
- Re: [Xen-users] Guest O/S Questions , Anthony Liguori
- Re: [Xen-users] Guest O/S Questions , Marcus Brown
- Re: [Xen-users] Guest O/S Questions , Anthony Liguori
- Re: [Xen-users] Guest O/S Questions , Marcus Brown
- Re: [Xen-users] Guest O/S Questions,
Anthony Liguori <=
- Re: [Xen-users] Guest O/S Questions , Karsten M. Self
RE: [Xen-users] Guest O/S Questions , Mike Tierney
Re: [Xen-users] Guest O/S Questions , Brian Kosick
RE: [Xen-users] Guest O/S Questions , Ian Pratt
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