"Insufficient suitable allocatable extents for logical volume" when executing lvextend on striped volume

Solution Unverified - Updated -

Issue

  • Attempting to extend a striped logical volume (LV) using lvextend fails with "Insufficient suitable allocatable extents":
# lvextend -L+80G /dev/myvg/mylv
  Using stripesize of last segment 64.00 KB  
  Extending logical volume mylv to 311.02 GB  
  Insufficient suitable allocatable extents for logical volume mylv: 20445 more required
  • Using vgdisplay I can see a lot of free space. But when I try to extend a striped LV I receive an error message saying that I do not have enough space.
  • Unable to extend LV even though enough free space is available in the VG.

Environment

  • Red Hat Enterprise Linux (RHEL) 5
  • Red Hat Enterprise Linux (RHEL) 6
  • One or more striped logical volumes

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