Solaris remove unusable or failing scsi lun 1. The removed devices show up as drive not available in the output of the format command: # format Searching for disks...done ................ 255. c1t50000974082CCD5Cd249 <drive not available> /pci@3,700000/SUNW,qlc@0/fp@0,0/ssd@w50000974082ccd5c,f9 ................ 529. c3t50000974082CCD58d249 <drive not available> /pci@7,700000/SUNW,qlc@0/fp@0,0/ssd@w50000974082ccd58,f9 2. After the LUNs are unmapped Solaris displays the devices as either unusable or failing. # cfgadm -al -o show_SCSI_LUN | grep -i unusable # # cfgadm -al -o show_SCSI_LUN | grep -i failing c1::50000974082ccd5c,249 disk connected configured failing c3::50000974082ccd58,249 disk connected configured failing # 3. This will kick the device from failing to unusable. and also removes them from format o/p. # luxadm -e offline /dev/rdsk/c1t50000974082CCD5Cd249s0 # luxadm -e offline