Google has just finished the complete scan of the Running Xen book at http://books.google.com/books?id=XS-Jj7s2nhYC&printsec=frontcover&dq=running+xen&ei=5fF9SbnkBIu0NMLXvdQE#PPR7,M1.
You can search for key words within the book. For example, if you want to search for LVM, then just put LVM in the “Search in this book” box on the right.
For now, Google has posted the first print of the book (the second print came out in the fall).
The second print of the book should have most of the errata found at:
For changes since the first edition: