On Wed, 2007-08-01 at 21:40 +0930, Tim wrote: > Tim: > >> I'm curious about two things: Wouldn't resizing LVM involve fragmenting > >> the drive, in another way? > > Ewan Mac Mahon: > > Only physically; if I allocate space to one filesystem, then create > > another, then extend the first one then the physical storage for the > > first one will be in two chunks with the second fs sitting between them. > > The point of LVM is that I don't need to care about it since it appears > > as a single logical space. > > Isn't that the situation with fragmentation of any sort, though? The > heads having to skate about more, and only the drive really knows where > all the bits are (pun intended). Yes. But unless you're using tiny block size (<1MB, default is 32MB, I usually use 64MB) the performance hit will go unnoticed. - Gilboa
