Does LVM affect performance

[Matthew Flaschen]

Derek Broughton wrote:

> That is, if the
> partition contains an Ext2 filesystem, all the in-memory structures telling
> the OS where to put or get data are identical to an Ext2 filesystem on a
> physical partition.

Not all those structures are necessarily stored in memory.  I think they
will sometimes have to be loaded from disk, even after mounting.  LVM
would seem to slow that down slightly; just speculating though.

Matthew Flaschen