Replace a failed slice 

If a disk fails, you must replace the slices used in your Solaris Volume Manager configuration. In the case of RAID 0 volume, you have to use a new slice, delete and recreate the volume, then restore data from a backup. Slices in RAID 1 and RAID 5 volumes can be replaced and resynchronized without loss of data. 

Responding to RAID 1 Volume Component Failures

How to Replace a Component in a RAID 5 Volume

Recover from boot problems 

Special problems can arise when booting the system, due to a hardware problem or operator error. 

How to Recover From Improper /etc/vfstab Entries

How to Recover From Insufficient State Database Replicas

How to Recover From a Boot Device Failure

Work with transactional volume problems 

Problems with transactional volumes can occur on either the master or logging device, and they can either be caused by data or device problems. All transactional volumes sharing the same logging device must be fixed before they return to a usable state. 

How to Recover a Transactional Volume With a Panic

How to Recover a Transactional Volume With Hard Errors