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  1. #1

    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 Engineer
    Join Date
    Jan 2005
    Saint Paul, MN
    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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