[linux-lvm] LDM and devfs with LVM

[linux-lvm] LDM and devfs with LVM

[Mark Anders]

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I am trying to make LVM work with both LDM and devfs.  Is this supported?  I
have two disks which were configured as dynamic disks in windows.  Linux is
able to see and access all the dynamic disk partitions (through
/dev/discs/disc0/part? and /proc/partitions but not through fdisk).  Does
LVM need to access the partition table or can it operate using only
/proc/partitions and the device files?

Thanks,
Mark Anders

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Re: [linux-lvm] LDM and devfs with LVM

[Steven Lembark]

-- Mark Anders <mark_a_anders@yahoo.com>

>
> I am trying to make LVM work with both LDM and devfs.  Is this supported?
> I have two disks which were configured as dynamic disks in windows.
> Linux is able to see and access all the dynamic disk partitions (through
> /dev/discs/disc0/part? and /proc/partitions but not through fdisk).  Does
> LVM need to access the partition table or can it operate using only
> /proc/partitions and the device files?

Works fine for me. If you have devfs set up to keep the
stats on links then it'll just make its own copy of the
/dev/vgXX files. Alternative is to move the volume groups
out of /dev. Problem there is that the --preifx switch
doesn't work entirely -- there are a were code changes you
have to make in order to move vg's out of /dev/ the last
time I tried it.

Only real thing to make a point of is mounting /dev before
the LVM volumes (not hard since one is normally done before
mouting the root volume the other after).

--
Steven Lembark                               2930 W. Palmer
Workhorse Computing                       Chicago, IL 60647
                                            +1 800 762 1582