=head1 SYNOPSIS
- virt-alignment-scan [--options]
-
virt-alignment-scan [--options] -d domname
virt-alignment-scan [--options] -a disk.img [-a disk.img ...]
inefficient), prefers a minimum 4K I/O size, but the optimal I/O size
is 64K.
+For detailed information about what these numbers mean, see
+L<http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/Storage_Administration_Guide/newstorage-iolimits.html>
+
[Thanks to Mike Snitzer for providing NetApp data and additional
information.]