Chris Adams wrote:
Without shrink, expand is not all that useful. With LVM, shrink and expand can be used to re-allocate free space to different filesystems. Without shrink, that can't be done.
Yes it can, initially leave plenty of unused space within your VGs, only allocate and grow each LV as it actually demands it, so you never have to steal from one LV to give space to another.
If you grow by appending an additional LE to the LV you end up fragmented within the LV, if possible add a new LE of the whole desired size of the LV, then remove the existing LE.
I don't know many real world servers where users end up using *less* space, it's always *more* space, so growing is always more important than shrinking ...