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I just wanted to know if you can create a volume group(VG) from an existing logical volume (LV)? I wanted to create another volume group with different extents, then create ...
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  1. #1
    Just Joined!
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    Dec 2008
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    3

    creating volume groups


    I just wanted to know if you can create a volume group(VG) from an existing logical volume (LV)?

    I wanted to create another volume group with different extents, then create another logical volume with specified extents.

    I have search the net far and wide but cant seem to find anything, all vgcreation come from PV.

    I tried it and it works, but just wanna know if this is correct..

    vgcreate -s 2300 newVG /dev/mapper/existing_LV

    then :

    lvcreate -l 40 -n better_LV newVG

  2. #2
    Linux Enthusiast
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    Jan 2005
    Location
    Saint Paul, MN
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    681
    One starts with pgysical groups from those you create volume groups and from those you create "logical volumes". So no you can not create a parent (volume group) from the child (logical volume).

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