On Mon, Nov 8, 2010 at 4:16 PM, Sirtaj Singh Kang wrote:
    > Hi all,
    >
    > I'd like some assistance in understanding the relationship between
    > the size of an LVM2 logical volume and ext3.
    >
    > If I want to grow an ext3 fs by size X in mb, how do I calculate
    > the size Y by which I have to first resize the LVM volume on which
    > it resides? Most sources I've read online say something like "make
    > it a little bigger just to be safe" but I'm hoping there is a
    > better and more accurate formula than that.

does -L option of lvextend not serve the purpose?  i use it to resize
[increase ;-)] the size of LVs before resizing/inflating the filesystem
(xfs).  or did i just misread your question?

hth
-- 
manish

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