Sun Cluster Software Installation Guide for Solaris OS

Guidelines for Mirroring Multihost Disks

To mirror all multihost disks in a Sun Cluster configuration enables the configuration to tolerate single-device failures. Sun Cluster software requires that you mirror all multihost disks across expansion units. You do not need to use software mirroring if the storage device provides hardware RAID as well as redundant paths to devices.

Consider the following points when you mirror multihost disks:

For more information about multihost disks, see Multihost Disk Storage in Sun Cluster Overview for Solaris OS and Sun Cluster Concepts Guide for Solaris OS.