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|Oracle Solaris 10 1/13 Installation Guide: Planning for Installation and Upgrade Oracle Solaris 10 1/13 Information Library|
During the installation or upgrade, you can create RAID-1 volumes to duplicate your system data over multiple physical disks. By duplicating your data over separate disks, you can protect your data from disk corruption or a disk failure.
The JumpStart and Live Upgrade programs use the Solaris Volume Manager technology to create RAID-1 volumes that mirror a file system. Solaris Volume Manager provides a powerful way to reliably manage your disks and data by using volumes. Solaris Volume Manager enables concatenations, stripes, and other complex configurations. The JumpStart and Live Upgrade installation methods enable a subset of these tasks, such as creating a RAID-1 volume for the root (/) file system. You can create RAID-1 volumes during your installation or upgrade, eliminating the need to create them after the installation. For guidelines, see JumpStart and Live Upgrade Guidelines.