Michael Kintzios wrote:
> Two quick Q's:
>
> Current partitions 1, 13, 14, 15 and 16 are NTFS. As I understand it
> LVM is a software solution that works happily with Linux.
Yes. And only Linux - meaning, that if you'd boot
FreeBSD or Solaris, you won't be able to use your
filesystems.
> What happens
> when my other half tries to boot into WinXP?
She won't be able to access the Linux filesystems.
> Are we going to have a
> major domestic because I hosed *her* computer?
No. Windows will only see one partition - the partition
holding the "physical volume" (PV) which contains your
volume group (VG) which, in turn, contains the logical
volumes (LV) on which you'll, finally *G*, have your
filesystems.
> I believe Alexander mentioned it, but the reason I have placed
> directories like /usr/portage into different partitions is to minimise
> data fragmentation.
I'm talking about a different kind of fragmentation. With
LVM, logical volumes ("partitions") don't have to be consecutive.
Indeed, most of the time they won't be. So, suppose you
create lvol1 and lvol2. Now you wish to extend lvol1. What
will happen is, that the phsyical extents ("blocks") for
lvol1 are "in front of" and "behind" lvol2 (simply put).
> How does this work in an LVM set up?
Filesystems don't "see" that they are on logical
volumes. This means, that the filesystem fragmentation
will happen just as as it normally does.
Alexander Skwar
--
God is subtle, but he is not malicious.
-- Albert Einstein
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