November 24, 2008

Updates were made to the following sections. The changes are explained below.

Section A.3.1, “Managing Multipath I/O”
Section A.3.2, “Using UUIDs to Mount Devices”

Managing Multipath I/O

The following changes were made to this section:

Location	Change
Section 5.2.8, “Supported Storage Arrays for Multipathing” Section 5.4.5.6, “Applying Changes Made to the /etc/multipath.conf File”	After you modify the `/etc/multipath.conf` file, you must run mkinitrd to re-create the INITRD on your system, then reboot in order for the changes to take effect.

Location

Change

Section 5.2.8, “Supported Storage Arrays for Multipathing”

Section 5.4.5.6, “Applying Changes Made to the /etc/multipath.conf File”

After you modify the /etc/multipath.conf file, you must run mkinitrd to re-create the INITRD on your system, then reboot in order for the changes to take effect.

Using UUIDs to Mount Devices

The following change was made to this section:

Location	Change
Section 3.2.1, “Using UUIDs to Assemble or Activate File System Devices”	The device ID assigned by the manufactuer for a drive never changes, no matter where the device is mounted, so it can always be found at boot. The UUID is a property of the filesystem and can change if you reformat the drive.