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  Steps for Solaris 10 Live Upgrade  Solaris Live Upgrade significantly reduces downtime caused by an operating system upgrade  by allowing the system administrator to upgrade the operating system, or install a Flash  Archive, while the system is in operation. The Live Upgrade process involves creating a dupli-  cate of the running environment and upgrading that duplicate. The current running environ-  ment remains untouched and unaffected by the upgrade.... Prepare the disk slice and partition for live upgrade: disk 1 Partition: c0d0s0    / c0d0s1    swap c0d0s2    backup disk 2 partition: c0d1s0    /(i'll use it to copy root) the partition on second disk (/copy root) is same size as the root (/) partition and it must not appear in use in “/etc/vfstab”. This example explains how to upgrade a Solaris 10 10/08 system to the Solaris 10 5/09 release. Solaris Live Upgrade has many capab...